Category: solar power

Scientists Have Created a Concrete Roof That Generates Solar Power

Sunny Outlook

Researchers at the Swiss Federal Institute of Technology in Zurich have developed a new form of ultra-thin, curved roofing that’s capable of producing solar power. The design will allow a residential structure that’s part of the school’s living lab facility, NEST, to generate more energy than it consumes.

The roof is made up of several layers; an inner sheet of concrete, which acts as a foundation for heating and cooling coils and insulation, which are in turn covered by more concrete. Thin-film photovoltaic cells used to harvest solar energy are then installed on the exterior of the building.

The prototype for the roof was some 7.5 meters high, and had a total curved surface area of 160 square meters. It’s now been dismantled, ahead of the same design being implemented next year on the HiLo apartment building that’s part of the NEST project.

The unique shape of the roof would typically be constructed with non-reusable materials like specially fabricated timber or milled foam. Instead, this project used a net constructed from steel cables which was covered with a polymer textile, producing a form that the concrete could adhere to. This facilitated the unusual design, but it made the project considerably cheaper in terms of the the cost of materials.

The Block Researcher Group and the Swiss National Centre of Competence contributed an algorithm to the project to ensure that the roof would take on its desired form when the weight of wet concrete was applied to the net. The concrete was sprayed onto the net using a technique developed specifically for this application.

Raise the Roof With Solar Power

Roof-mounted solar panels are nothing new, but various advanced versions of the technology have emerged in the past few years. As well as being incredibly efficient, this new hardware is typically a lot cheaper than previous iterations.

Top 10 Countries Using Solar Power
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Tesla’s well-publicized solar roof project is perhaps the most prominent example. If the finished product is as effective and inexpensive as Elon Musk has suggested, it could potentially bring a method of harnessing solar energy to more homes than ever before.

However, Tesla isn’t the only company innovating when it comes to solar power. The roll-up solar panels developed by Renovagen demonstrate another way that solar technology is being implemented in ways that were unheard of even a decade ago.

Solar power is an increasingly viable way to produce energy, and more and more countries are investing in solar infrastructure on a large scale. Thanks to projects like the HiLo roof, individuals are set to have more ways to implement the technology in their own homes than ever before.

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Roll-Up Solar Panels Could Fundamentally Alter How We Power the World

Solar Power in Style

Flat Holm is an island in the middle of the Bristol Channel in Great Britain composed of limestone, and although that image has quite the scenic appeal, it hardly exhausts the extent of the island’s charm. The scientific community considers it especially valuable in light of its plant- and bird-life, a preserved domain of nature, which of course attracts the steady flow of tourists. But recently, the geographic treasure has also become a site of human-animal co-existence that goes beyond symbolic gestures and passive preservation; enter the pioneer technology for solar energy called the Rapid Roll system.

Developed by U.K. tech company Renovagen, based in Milton Keynes, Buckinghamshire, the Rapid Roll system lets you unfurl solar panels like a carpet from behind a truck. The idea came from John Hingley, managing director at Renovagen, who first conceptualized this scaled-up mobile solar technology five years ago.

Flat Holm decided to use this technology after Renovagen won a small business contest in 2016 for innovative use of renewable energy. “We were looking at solar and hydro, but that takes up a lot of land and land in cities is expensive,” Gareth Harcombe, Cardiff Council’s energy and sustainability manager, told the BBC.

Ready to Roll

Flat Holm’s solar panels generate an average of 11KW of power, connected to batteries that can store 24KW/h. That’s roughly a day’s worth of energy for the island’s four inhabitants, as well as for the tourists who frequent Flat Holm. Best of all, the Rapid Roll solar panels can last up to 10 years.

The Rapid Roll panels are packed in 4×4 trailers, which carry enough solar panels to power a mobile clinic with 120 beds or to desalinate 25,000 liters of seawater daily, and is particularly suited for Flat Holm’s environmental and logistical needs. “Compared with traditional rigid panels, we can fit up to 10 times the power in this size container,” Hingley explained to the BBC.

The World’s Largest Floating Solar Farm [INFOGRAPHIC]
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According to Renovagen’s website, the Rapid Roll system was designed above all for fast deployment. That’s particularly useful in areas that don’t have ready-access to a regular energy source, like Flat Holm, or for areas devastated by natural disasters. “Indeed it has the potential to save lives by – for example, reducing or eliminating the need for military fuel convoys or by powering medical facilities in disaster zones.”

In Puerto Rico, for example, which was recently struck by hurricane Maria, some places still don’t have electricity. Recovery, according to CNN, has been moving at “a glacial pace.” Restoring power is crucial in disaster-stricken areas. Electricity powers communication networks and provides a modicum of normalcy in the disrupted lives of the people affected by such calamities. A staggering 55 percent of Puerto Rico’s population were reported without drinkable water following Hurricane Maria. Although it may be too late this time, rapid-deploy solar panels could potentially assuage much of this kind of suffering, in the near future.

With a technology like Renovagen’s Rapid Roll solar panels, restoring electricity to typhoon- and hurricane-ravaged areas won’t be as difficult. As the company said in their FAQs, “it’s not necessary to have solar engineers model the specific site and calculate particular solar field positions and configurations before deployment – the Rapid Roll will work anywhere and will make the most out of the set of conditions encountered.”

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Two Big Banks Have Just Pledged to Go 100% Clean Energy By 2020

Banking giants are putting their money into clean energy with a pledge to be powered completely by renewable energy by 2020. JPMorgan and Citigroup have made this RE100 pledge, organized by The Climate Group alongside other companies like Estee Lauder, Kellogg, and DBS Bank.

More companies are realizing that investing in and using renewable energy is beginning to make more economic sense. Clean sources of energy such as wind and solar power are becoming cheaper than fossil fuels, and with each new technological breakthrough in the field, that trend will continue as lower initial costs are coupled with higher efficiency. A switch to clean energy is better for a company’s bottom line with the added global benefit of being better for the environment.

Image source: Wikimedia Commons
Image Credit: Wikimedia Commons

In the case of JPMorgan, the bank has stretched to more than 60 countries, with a total footprint of close to 7 million square meters (75 million square feet). The Independent points out that this is close to 27 times the square footage of the office space at the Empire State Building. In order to meet this energy goal, the companies will begin to install renewable energy tech on their properties and buy power from clean energy project while making changes to reduce their overall consumption.

As Matt Arnold, global head of sustainable finance at JPMorgan stated, “Business has an essential role to play in advancing the transition to clean energy and a safe climate.” While changes that individuals make to combat energy consumption are important and necessary, businesses have the power to multiply that effect and help to expedite the difficult road toward a clean energy future.

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Solar Energy Just Cleared a Pricing Target Set for 2020

Sunny Days

The Department of Energy (DOE) has announced that utility-grade solar panels have now reached cost targets that were set for 2020. The SunShot Initiative was established in 2011, and sought to bring the price of solar energy down to six cents per kilowatt-hour.

That price goal has now been reached in Kansas City, Missouri, which the department uses as an indicator of prices around the country. It’s cheap to produce solar energy in a place like Phoenix, Arizona because there’s plenty of sunlight and open space, whereas it’s more expensive in a state like New York — Kansas City is a useful middle ground.

Image credit: Karsten Würth

Utility-grade solar now costs around one dollar per watt in terms of the total install cost, not taking into account any tax credits that can be applied. Data from the National Renewable Energy Laboratory indicates that the price of installing utility-scale solar hardware dropped 29 percent over the first quarter of 2017.

Moving Target

While the SunShot Initiative’s target for utility-grade solar panel pricing has been made, the same can’t be said for commercial and residential panels — although the DOE is around 85 percent of the way toward its goal.

Top 10 Countries Using Solar Power
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Looking at utility-scale implementation, the department has stated that its next milestone will focus on reliability, rather than cost. A new target is set to be put in place for 2030, and grid reliability, resilience, and storage will all be improved in order to reach it.

Solar energy is becoming increasingly viable, and countries all over the world are exceeding targets set to promote adoption. Over the next few decades, it seems likely that we’ll finally see renewable energy become the norm.

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Renewable Energy Isn’t Just Cutting Costs, It’s Saving Lives

Clean Energy, Clean Air

Renewable energy is very much in the limelight these days, as country after country experience how these sources can keep at par with fossil fuels. Various places have shown how renewables are capable of supplying a huge chunk of their electricity demands — one Austrian state is powered by 100% renewables, while the UK is nearing 50 percent and the United States just reached 10 percent. Renewables do so much more, though, as a recent study published in the journal Nature Energy now shows.

Analyzing the impact of solar and wind energy in the U.S, the paper’s authors focused on how these renewables have saved both lives and money during a nine-year period (from 2007 to 2015). By reducing greenhouse gas emissions, increased dependence in solar and wind energy sources have improved air quality in the U.S., at a rate that varies between region to region.

“We find cumulative wind and solar air-quality benefits of … US$29.7–112.8 billion, mostly from 3,000 to 12,700 avoided premature mortalities,” the researchers, led by Dev Millstein from the Lawrence Berkeley National Laboratory in California, wrote in their report.

The premature deaths referred to here are from air pollution. The World Health Organization (WHO) estimates that air pollution causes around 3 million premature deaths worldwide per year, and that 92 percent of people live in places with air quality that does not meet WHO standards for health. Deaths from air pollution increased globally in 2015, a separate study showed.

That wasn’t the case in the U.S., however, where particulate pollution in 2015 was down by 27 percent from 1990 levels — which matches Millstein’s findings. Thanks to an increase in solar and wind energy generation, the U.S. saw a drop a 20 percent drop in carbon dioxide, while fine particulate pollutants were down by 46 percent, the study showed.

Clean Energy, Cheaper Energy

Interestingly, solar and wind generation also led to what the study calls “cumulative climate benefits,” which cover energy use, changes in agricultural productivity, losses from disasters (like flooding) that impact human health, and general ecosystem services. The total monetary benefit of lowered carbon CO2 emissions from 2007 to 2015 , the study said, is at $5.3 billion to $106.8 billion.

The authors also noted that their “analysis does not incorporate benefits outside of air quality and climate benefits such as energy, capacity or transmission impacts.” It’s worth pointing this out, as other reports do cover these impacts. Nations have better access to renewables now compared to 2015, thanks to cheaper costs. Solar energy has become increasingly affordable because of drops in the price of solar panels, while wind is now cheaper than fossil fuels.

Renewables have become the more economically viable option. Renewables have become so attractive that they a generated global investment total of $264 billion in 2016, nearly twice the investments made in fossil fuels that year. Another benefit worth highlighting is job creation. In the U.S., for instance, renewable energy now employs more people than the fossil fuel industry does — and even more than Google, Apple, and Facebook combined.

It’s safe to say that the world is taking the right step, as more move away from fossil fuels. Renewable energy is the future, and to get to that future, we have to start investing in them now, instead of reviving an industry which nations are already turning their backs on.

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Engineers Are Building the World’s Largest Single-Tower Solar Thermal Plant

Sun and Salt

The government of South Australia has announced plans to construct the world’s largest single-tower solar thermal power plant in Port Augusta. California-based solar tech company SolarReserve will be responsible for both the build and upkeep of the facility.

The Aurora Solar Energy Project is based on plans that were developed as part of the Rice Solar Energy Project in California, which stalled as a result of changes to tax credits related to renewable energy.

Once built, arrays of heliostats will focus solar energy onto a central tower, which uses molten salt technology to store that energy as heat. These molten salts will provide 1,100 megawatts of energy storage capacity, which equates to eight hours of full load storage. This will allow the facility to generate electricity during the night as well as during the day when sunlight is shining down.

Aurora is projected to have an output of 150 megawatts and an ability to generate 495 gigawatt hours of electricity each year. The station will be able to service 90,000 homes and is expected to be able to cater to around five percent of South Australia’s total energy needs. Construction on the $650 million plant will begin next year, with the expectation that Aurora will be producing electricity by 2020.

The Sun Sets on Coal

The Aurora Solar Energy Project won’t be the first major renewable energy project for South Australia. In July, the local government inked a deal with Tesla to install a Powerpack system that will work alongside the Hornsdale Wind Farm.

Renewable Energy Sources Of The Future [Infographic]
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Tesla CEO Elon Musk has been very clear about the potential for solar to help the U.S. meet its own energy needs, asserting that the entire nation could be powered by an area measuring 25,600 square kilometers (10,000 square miles) filled with solar panels.

Despite these claims and the assertions of other experts, however, U.S. President Donald Trump appears determined to try to revive the coal industry.

That hasn’t slowed the adoption of renewable energy in other parts of the world, though. Morocco is currently building the world’s largest traditional solar plant, China’s massive floating solar power plant just went online, and India’s record-holding solar farm can power 150,000 homes.

Despite a lack of federal support, individual states and cities within the U.S. are committing to fossil fuel alternatives as well — just this month, Orlando, Florida, became the fortieth city in the country to make a commitment to completely transition to renewables within the next several decades.

A primary contributor to this increased adoption is cost. For a long time, a main argument against renewable energy sources has been their high cost when compared to fossil fuels.

Now, the solar panels that we’ve become accustomed to seeing atop residential homes have dropped in price significantly, and building a new commercial solar plant is also cheaper than building a plant that’s powered by fossil fuels. Experts are predicting that solar energy will actually be cheaper than coal within the next four years.

This increased affordability will no doubt lead to the creation of more projects like the one in Port Augusta, and that will go a long way toward helping the world meet the goals of the Paris Agreement and stem the damage we’ve done to the planet through the use of fossil fuels.

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Ikea Launches Solar Panels and Home Battery Packs in the UK

Ikea has launched a range of solar panels and home battery packs in the UK. Partnering up with Solarcentury, the country’s leading provider of solar technology, the company hopes to simplify customers’ efforts to make their homes more eco-friendly.

While the systems cost thousands of British pounds, Ikea claims that they could cut owners’ electricity bill by up to 50 percent. An online tool can estimate the savings based on geographic location (postal code), based on measurements of the roof taken from satellite imagery.

While Ikea’s furniture is generally self-assembly, solar panels will be installed by experts. Interested parties can get a free quote, which is verified by a home survey before engineers install the hardware.

Solar power is becoming more and more accessible. Many expect Tesla’s solar roof to further expand the reach of the technology because of its cheaper price tag than current implementations, and its completely noninvasive appearance.

The big difference with Ikea is that, unlike Tesla, Ikea is a tried-and-true brand, and the convenience of its installation process will appeal to a lot of consumers. If its solar range proves to be popular in the UK, we might even expect to see the company expand the program to other countries.

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Elon Musk Tells National Governors Association How We Could Power the U.S. With Solar

One Square Mile

Speaking on Saturday at the National Governors Association Summer Meeting in Rhode Island, Elon Musk told his audience — including 30 United States governors — that it’s possible to power the nation with solar energy.

“If you wanted to power the entire U.S. with solar panels, it would take a fairly small corner of Nevada or Texas or Utah; you only need about 100 miles by 100 miles of solar panels to power the entire United States,” Musk said. “The batteries you need to store the energy, to make sure you have 24/7 power, is 1 mile by 1 mile. One square-mile. That’s it.”

Why solar? Well, as Musk explained, as far as energy sources go, we can count on solar to come through for us: “People talk about fusion and all that, but the sun is a giant fusion reactor in the sky. It’s really reliable. It comes up every day. If it doesn’t we’ve got bigger problems.”

Going Solar

At present, about 10 percent of the U.S. is powered by renewable energy sources. To achieve a complete renewable energy power, Musk thinks solar is the way to go.

To start, he suggested combining rooftop solar and utility-scale solar plants. The former would be on the rooftops of houses in the suburbs, while the latter could power other areas. As we’ve seen with Tesla’s new rooftop solar unit, and efforts in other countries, like Australia, to build large-scale solar plants, this is a goal well within reach.

Next, while in transition from fossil fuel to solar, it’d be necessary to rely on other renewables. “We’ll need to be a combination of utility-scale solar and rooftop solar, combined with wind, geothermal, hydro, probably some nuclear for a while, in order to transition to a sustainable situation,” Musk explained.

Finally, the U.S. has to build more localized power sources, like the rooftop solar setups. “People do not like transmission lines going through their neighborhood, they really don’t like that, and I agree,” Musk said. “Rooftop solar, utility solar; that’s really going to be a solution from the physics standpoint. I can really see another way to really do it.”

When this happens, the U.S. would eliminate about 1,821 million metric tons of carbon dioxide (CO2) emissions generated by the country’s current electric power sector — 35 percent of the overall CO2 energy-related emissions in the U.S.

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Scientists May Have Just Created the Most Absorbent Solar Cell Ever


The Solar Panel of the Future

Scientists have developed a solar cell that is capable of converting direct sunlight into electricity with 44.5 percent efficiency — making it, potentially, the most efficient solar cell in the world. Current solar technology only converts electricity with a maximum efficiency of about 25 percent. The impressive cell works by stacking multiple layers of solar hardware into a single cell, each of which absorbs a different aspect of the solar spectrum.

*4* Scientists May Have Just Created the Most Absorbent Solar Cell Ever

This new tech is innovative compared to other cells in two regards. First, it uses transfer printing, which allowed the scientists to assemble the component parts with a high degree of precision. Second, it uses materials derived from gallium antimonide (GaSb) substrates, which are usually reserved for infrared lasers and photodetectors, in order to absorb every part of the direct sunlight.

Matthew Lumb, lead author on the study, stated that “our new device is able to unlock the energy stored in the long-wavelength photons, which are lost in conventional solar cells, and therefore provides a pathway to realizing the ultimate multi-junction solar cell.”

The Solar Revolution

As with any piece of energy converting technology, in order to maximize the amount of energy produced, one can either increase the quantity of converters, or improve the efficiency of the converters themselves. If this technology is scaled up, solar panels would require roughly half the space to produce the same amount of energy as the systems in place today due to their greater efficiency.

Although producing the initial was expensive, this experiment — and others like it — are crucial to show the upper limits of what is possible in solar technology. It has established a precedent, and the space in the market for another individual to make the cell cost effective.

Solar power already accounts for an increasing amount of energy produced worldwide, and it is becoming ever cheaper. Therefore, it is important to continue to find ways that make solar energy more and more effective so that it can surpass fossil-fuel based energy and become a green energy source capable of helping our planet (and us) to survive the harm we have caused it.

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The World’s First Power Plant Combining Hydroelectricity and Solar Energy Is Now Open

Alto Rabagão Solar Dam

The world’s first power plant combining hydroelectric and solar power is now operational in Portugal. The Alto Rabagão dam has been outfitted with 840 floating solar panels, which increase the plant’s total capacity of 68 MWh by 220 kWp. Within its first year, the station should generate 332 megawatt hours, enough to power 100 homes for a year.

The World’s Largest Floating Solar Farm [INFOGRAPHIC]
Click to View Full Infographic

The panels were created by Ciel & Terre International (C&T), developers of the floating solar system Hydrelio. The system is designed to allow ecologically friendly floating photovoltaic (FPV) panels made out of recyclables to be installed on large bodies of water rather than eating up valuable space on land.

Additionally, the panels partially shield the water, which helps to slow evaporation and the growth of algae. The panels also reduce waves within the reservoir, cutting down on the erosion of its banks.

Future Directions

The main goal behind C&T’s FPV panels is to generate energy while maximizing the use of an artificial body of water. Installing the panels on dams makes plants more profitable and produces more energy. The panels collect sunlight during daylight hours, and hydropower can be used during peak demand times and after dark.

C&T estimates that if only 10 percent of the world’s 50 largest dams were outfitted with FPV panels, 400 gigawatts (GW) of solar electricity could be produced.

According to The Huffington Post, if the Alto Rabagão dam project succeeds, the system might be used to meet the power demands of other countries. One of those could be Brazil, where the utility behind the project, Energias de Portugal (EDP), does business on a large scale. “It has all the ingredients to succeed, a solution of this kind,” EDP project manager Paulo Pinto told the Diário de Notícias.

Portugal has created the right climate for the project’s success by promoting strong renewables policies. The country also enjoys annual sunshine duration of 2,500 hours and a high potential for FPV solutions due to its existing hydropower capacity. The hybrid solution in this case presents a great example of how existing energy systems can be enhanced by newer technologies to create better clean energy solutions.

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Solar Power is Saving Dollars — and Lives


Quantifying Solar’s Health Benefits

Solar power is appealing for many reasons; it creates jobs, helps localities and states to develop economically, and lowers the cost of power over time. However, its greatest benefit is that it renders fossil fuel generated electricity unnecessary. Burning fossil fuels for power has a deadly cost, so solar power does and will save lives—but how can we quantify this benefit?

A 2016 study, as part of the Department of Energy’s (DOE’s) Sunshot Initiative, took aim at this question. The Sunshot Initiative’s goal is to drive down the costs of installed solar power to 6 cents a kilowatt and, in turn, expand solar power use to comprise greater shares of the US electricity supply: 14 percent by 2030 and 27 percent by 2050.

Even though the Sunshot Initiative has only recently begun, the benefits are already beginning to be noted. Some of the effects we are already experiencing from installed, operational solar power are described in the chart below:

Image Credit: National Renewable Energy Laboratory/DOE
Image Credit: National Renewable Energy Laboratory/DOE

That’s a reduction of 17 million metric tons of CO2 a year, an annual global benefit of $700 million, reductions of “10,000, 10,300, and 1,200 metric tons of SO2, NOx, and PM2.5, respectively … which provide annual domestic air quality benefits of $890 million” a year, and water withdrawal and consumption savings of 294 billion gallons and 7.6 billion gallons, respectively, per year. Domestic air quality benefits include everything from fewer sick days from work to fewer childhood asthma attacks and fewer deaths from circulatory and respiratory ailments.If we actually achieve these Sunshot goals, the benefits will be massive.

Image Credit: National Renewable Energy Laboratory/DOE
Image Credit: National Renewable Energy Laboratory/DOE

From 2015 to 2050, that’s a cumulative savings of 10 percent of emissions from the power sector, which adds up to about $259 billion in global climate benefit. Add to that a cumulative $167 billion in reduced fine particulate matter (PM2.5), nitrogen oxides (NOx), and sulfur dioxide (SO2) emissions, and it will lead to significant avoided environmental and health damages. All-in-all, that’s a 46 trillion gallon reduction in water withdrawals and a 5 trillion gallon reduction in water consumption from the power sector. The total pollution and climate benefits will add up to at least $400 billion over that 35-year span, based on the 2016 dollar value.

The Total Solar Package

These massive health and environmental benefits are, frankly, highly significant on their own. However, these are only a piece of solar power’s glowing report card. The world doubled its solar capacity in 2016, largely due to falling costs. More Americans now work in the solar industry than for Apple, Facebook, and Google combined. Elon Musk and Tesla are taking the Supercharger network off the grid and going almost completely solar. There is no question that solar will soon be cheaper than coal, no matter where you reside.

How the Sunshot Initiative will fare in the coming years is unclear. In both versions of the White House’s budget for 2018, the DOE was subject to significant cuts, with the harshest cutbacks focused on clean energy programs like Sunshot, even though spending on these programs comprised only about 20 percent of the DOE’s budget. One thing is certain: lack of investment into clean energy research will have devastating consequences for our future environment, health, economy, and more.

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This Next Generation Car Company is Developing Solar-Powered EVs

Lightyear’s Ahead

Even before electric cars officially take over as the new normal, clean driving just isn’t enough for some. One company is looking to take green personal transportation to unprecedented heights. Lightyear is a next-generation car company from the Netherlands that is making some truly lofty promises. The company is working on bringing the world a vehicle powered not just by electricity, but by energy generated from the sun.

According to the company’s website, “all cars of the world combined drive one light year, every year.” Their mission is to switch from a fossil fuel powered light year of travel to one powered by the sun by 2030.

Lightyear is hoping to sidestep one of the major limitations and anxieties of electric vehicles: range. Mass adoption of electric vehicles could be hindered by a lack of investment in charging infrastructure. The website claims that “[o]nly 3% of the world population lives within 100 km of a publicly accessible charging station.”

Everything the Light Touches

The vehicle promised will be powered by energy stored in a battery that can be charged both by a standard (3.7 kW) outlet, as well as solar panels in the vehicle’s body. In a sunny environment like Hawaii, the car could theoretically run for months between charges. Even without the sun, the car could run for a significant range. “Depending on your battery configuration you have between 400 – 800 km of range buffered in the battery,” Lightyear says on their website’s FAQ section.

This technology has yet to be proven, although the company is planning to have ten vehicles produced in 2019. Cost is also a considerable barrier to obtaining one of these future cars. You can reserve one for €19,000 (around $21,700) — a small chunk of the overall €119,000 ($135,800) price tag. It’s an interesting addition to the EV lineup, so we’ll be sure to keep an eye on the development of this technology as the first prototype gets closer to hitting the road.

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India Has Shut Down 37 of the World’s Biggest Coal Company’s Mines

On its Way Out

Things are not looking good for the coal industry. In the latest blow to this fossil fuel, the world biggest coal company is closing a total of 37 mines. It seems that the rise of solar power is playing a major role in the decline of coal. The company, Coal India, produces 82 percent of India’s coal, according to The Independent. The closings account for nine percent of Coal India’s sites.

*4* The World’s Largest Coal Producer is Shutting Down a Number of Sites

The Indian government has recently shifted from coal to cleaner, renewable sources, most notably solar power. Just last week, the government announced that it has abandoned plans for building another coal power station with Chimanbhai Sapariya. T,he country’s energy minister noted that “Our focus is now on renewable energy. The government will encourage solar power.” The prices of solar power continue to plummet as technology and government incentives work to make renewable energy more attractive.

India is leading the way in a renewable energy revolution. Analyst Tim Buckley said, “Measures taken by the Indian government to improve energy efficiency coupled with ambitious renewable energy targets and the plummeting cost of solar has had an impact on existing as well as proposed coal-fired power plants, rendering an increasing number as financially unviable.”

Image credit: David Goehring/Flickr
Image Credit: David Goehring/Flickr

Clean Air

A recent story by the New York Times showed that India’s air pollution crisis is responsible for the deaths of around 1.1 million people in the country every single year, rivaling China as the deadliest in the world. The decline of coal being burned for power will only improve the air quality, saving more lives as efforts move toward cleaner energy. In another historic move, the country has pledged to ensure that every car sold in India by 2030 will be electric.

This combination will be a one-two punch to the deadly pollution plaguing the country. A new population report from the UN released last week foresees that India’s population will continue to boom and is projected to surpass China’s 1.4 billion by 2024. That increased population is going to add to the country’s energy needs and we need to be prepared to meet it with clean energy from renewable sources.

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Last Month Was the Second Hottest May in Recorded History

Summer is rapidly approaching and bringing along with it the highest temperatures of the year, for most of the world. It already seems that this year will be keeping pace with recent years and offering up some of the warmest months in all of recorded history.

This past May has been recorded as the second hottest in history, being beaten only by May 2016, which was 0.93 degrees C (33.7 degrees F) higher than the mean temperature between 1951-1980. Every month this year has ranked in the top three warmest months in recorded history. According to The Weather Channel “February, March and April 2017 ranked as second warmest, while January 2017 finished in third place.”

Image sourge: NASA
Image source: NASA

Global climate change is clearly the culprit as human activity continues to contribute to global temperature rises. The Paris Climate Agreement set to address this issue by capping this temperature rise at 2 degrees Celsius. However, experts assert that not even this is enough to save our planet. Even more, there are threats to the effectiveness of even that agreement as the Trump administration recently announced its intent to remove the United States from it.There is still hope, though. Leaders across the United States have defied that intention with promises to uphold the accords, despite the administration. Solar power is also increasingly becoming more economically palatable and will soon become cheaper than coal, eliminating a major source of pollution.

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As Cost Plunges, Solar Power is Ready to Surpass Coal

Solar Boom

Solar power is among the easiest ways for individuals to hop on the clean energy generation train. There are many incentives afforded to homeowners who are looking to make the switch to solar power. Even more, it is only getting cheaper to produce, install, and operate this technology. And with the advent of Tesla’s solar power generating roofing tiles, the process is getting a welcome aesthetic upgrade on top of all of the fantastic vertical integration their technology provides. 

Top 10 Countries Using Solar Power
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This boom is going to continue pushing solar power to the forefront of clean energy initiatives, as the cost of solar energy is expected to drop 66 percent by 2040. Furthermore, a report from Bloomberg states that in just four years’ time, solar power will finally be cheaper than coal “almost everywhere.” The report also claims that by 2040, up to 20 percent of Brazil’s power will be generated by the sun, and Germany will be at 15 percent.

Coal Out, Sun In

The economic benefit of switching from coal to solar power will spur even greater growth — as coal supporters will no longer be able to deny the cost saving potential of renewable energy. Thankfully, the rest of the world will also benefit from a significant decrease in the amount of fossil fuels being burned, a major contributor to climate change.

The report, generated by Bloomberg New Energy Finance, states that greenhouse gas emissions will peak in 2026. But thanks to the clean energy revolution, these levels will be 4 percent lower in 2040 than they were last year — the reigning hottest year on record.

With the decline of fossil fuels, we may likely also start seeing the decline of large utility systems. Tesla is a pioneer in this area with its vertical integration of solar panels and solar power storage systems. Their technology is already being used to decrease regional demand on fossil fuel burning plants in Southern California.

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Solar Power Has Finally Proven That It’s The Energy Source of the Future

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A New Age In Energy?

As with most energy and cost efficient power alternatives, there’s a lot of misinformation surrounding solar energy — even when we’re faced with hard facts outlining their benefits. Consider the fact that it took nearly 30 years for fluorescent light bulb (also known as CFL) sales and dependency to rise, as Americans were unwilling to switch over from incandescent bulbs until 2010.

Tried and true sustainable products often sit on the market for a while before they become “trendy enough” to be purchased. But now, thanks to some promising developments from Tesla,(including some slicker-than-expected solar panel roofs) the value and importance of solar power is finally getting the momentum it so critically needs.

The World’s Largest Floating Solar Farm [INFOGRAPHIC]
Click to View Full Infographic

These moves are important because, not only is solar power cost effective, it reduces our reliance on fossil fuels, which is an imperative issue we need to tackle. Humanity’s current net emission is

Humanity’s current net emission is 37 gigatonnes of CO₂, meaning we’ll need a reduction of at least 700 gigatonnes to keep global warming within safe limits. By switching over to solar power, we reduce our carbon dioxide emissions by over 37 million metric tons. And while it might be hard to see past your own finances, switching to solar power saves the United States over $400 billion in healthcare and environmental cleanup costs. But back to your wallet: solar panels pay for themselves in six to 15 years and increase the resale value of a house by about $15,000.

But solar power technology is nothing new. In fact, a similar standard of today’s models has been around since the 1960s. And since that time, panels have only become more efficient, more dynamic, and more attractive. So, what’s taken us so long to consider the switch?

Making A Change

It’s the myths that deter people from trusting in the technology. Most commonly, potential consumers worry that solar panels will not work in cold or cloudy climates. The truth is, they’re highly functional in cold climates, as conductivity is increased at colder temperatures. And, Germany, a country that receives half as much Sun as the sunniest city in the United States, has the most successful solar power system in the world.

Now that Tesla has shown us how chic the solar panel roof of the future will look, skeptical homeowners will be more likely to make that change.

If you’re curious about the potential to save money and the planet, check out a solar power advocate like Understand Solar and get a proper estimate for your home. When faced with the facts, it’s hard to see it any other way: solar power roofs are essential investments for your home and the future. Fill out a cost estimate form and get access to exclusive deals in your area, and a fast and easy estimate to get things started.

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The World’s First Commercial Carbon-Capture Plant Just Went Online

The Hinwil Power Plant

Recently, on May 31st, the world’s first commercial carbon dioxide (CO2) capture plant was opened in Hinwil, Switzerland by Climeworks, using a scalable and modular design. The company hopes that the design features combined with its commercial potential will encourage other, similar plants to open. They “estimate around 250,000 DAC-plants like the one in Hinwil are necessary” to reach their target of capturing one percent of global emissions by 2025 (10 gigatonnes per year, according to the Intergovernmental Panel on Climate Change).

The plant will remove 900 tons of CO2 from the atmosphere each year by passing it through a proprietary filter, which is heated to 100 degrees Celsius (212 degrees Fahrenheit) to release the gas. The gas from the Hinwil station is then fed to nearby greenhouses to help plants grow, and could increase lettuce harvest yields by 20 percent. Climeworks claims that the CO2 could also be used by soft drink companies to carbonate drinks, and by energy companies to produce carbon-neutral hydrocarbon fuels and materials.

Integration into Strategy

This power plant has the potential to be a key ally in the fight against climate change because it provides a way to get rid of CO2 emissions. This allows us to minimize damage while producing energy, however, we must also work to repair what we have already done (and continue to do). This technology could be integrated into a wider plan with carbon-neutral fuels like nuclear, solar, and wind power.

And, as previously mentioned, this plant is also commercially viable, like renewable solutions like solar power have become. This is important because it does not force businesses to sacrifice profits in order to become more “green”. In fact, the CO2 produced by this plant could even be used by power plants to cleanly convert CO2 into methanol fuel.

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Solar Energy Smashes U.K. Record, Supplying 24% of the Nation’s Electricity Demand

Here Comes the Sun

The Beatles may have well predicted the future for their mother country as the Sun now shines bright in the United Kingdom. According to the National Grid, almost 25 percent of Great Britain’s electricity demand was served by solar at midday Friday. The clean energy source generated 8.7 gigawatts, which is more than the previous record set on May 10, when solar generated 8.48 gigawatts.


“We now have significant volumes of renewable energy on the system, and as this trend continues, our ability to forecast these patterns is becoming more and more important,” Duncan Burt, who oversees the National Grid’s control room operations, told the Independent.

“This is a colossal achievement … and sends a very positive message to the U.K. that solar has a strong place in the decarbonization of the U.K. energy sector,” Paul Barwell, chief executive of the Solar Trade Association, pointed out.

As Barwell noted, this marks the first time solar panels generated more electricity in the U.K. than nuclear plants. Natural gas and coal remain the country’s top suppliers of electricity, however.

Stacking up on Renewables

This milestone is obviously a win for renewables and a sign that nations are moving toward cleaner energy sources.

Top 10 Countries Using Solar Power
Click to View Full Infographic

Solar power remains the top bet among many, including the United States, where solar panels accounted for 60 percent of California’s record-breaking clean energy usage in March. Expect trends similar to these to continue in the coming months, as several other places pledge to switch to renewables sooner than later.

The steady rise of solar energy is made possible in part by the decrease in the cost of solar panels. At the same time, it doesn’t hurt that the solar industry is also providing jobs in places desperate for them, such as the U.S. As Hannah Martin, head of energy for Greenpeace UK, told the Independent, “All around the world, solar power keeps beating new records as costs come down and power generation goes up. In the U.S., more people were employed in generating electricity from solar last year than from coal, oil, and gas combined.”

In fact, the total number of Americans working in solar is higher than the number employed by Google, Facebook, and Apple combined. Cleary, the Sun isn’t just shining in the U.K.

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Even Gas Stations Are Now Being Powered by Clean Energy

Solar Panels on a Gas Station?

There’s a new solar power gig in Dubai in a very unexpected location: a gas station. The United Arab Emirates (UAE) just built its first solar powered gas station on Dubai’s main Sheikh Zayed Road. Constructed by the Emirates National Oil Company (ENOC), the new service station is covered with solar panels capable of generating up to 120 kilowatt hours. 

Top 10 Countries Using Solar Power
Click to View Full Infographic

According to ENOC, the panels produce about 30 percent more energy than what the gas station actually needs. Therefore, the excess power the panels generate gets sent back into Dubai’s electric grid.What makes the development particularly fascinating is that Dubai is one of the world’s biggest oil producers,  yet it’s been taking an active lead in pushing for renewable and cleaner energy.

This strengthens Dubai’s position as “the city of the future”; a position that’s also supported by Dubai’s various projects that are planned — or already on the way — such as the Hyperloop, a 3D-printed skyscraper, the 3D-printed “office of the future,” robot police, and autonomous cars. Dubai also wants to have an information hub to fight modern society’s issues, as well as its own space agency to contribute to the future missions to Mars.

Disclosure: The Dubai Future Foundation works in collaboration with Futurism and is one of our sponsors.

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Chicago Announces Plans to Power Its Buildings With 100% Renewable Energy by 2025

Chicago Goes Green

Atmospheric CO2 has hit more than 400 parts per million (ppm), the highest peak in 800,000 years, which has caused global surface temperatures to rise about one degree Celsius (33.8 degrees Fahrenheit) since 1880. 15 of the 16 warmest years in recorded history have occurred since 2001, and 2014, 2015, and 2016 have each taken the title of warmest year on record. U.S. Defense Secretary James Mattis has acknowledged that climate change constitutes a serious problem for the U.S. government and merits a “whole-of-government response.”

Chicago is heeding that message, providing that response at the municipal level. Mayor Rahm Emanuel, leading a coalition of Chicago municipal agencies, announced on April 9 that the city has committed to transitioning all city buildings to 100 percent renewable energy use by 2025. Once this transition is completed, Chicago will be America’s largest city to supply its public buildings with 100 percent renewable energy.

In 2016, the city, Chicago Public Schools (CPS), the Park District, Chicago Housing Authority (CHA), and Chicago City Colleges (CCC) together used almost 1.8 billion kilowatt-hours of electricity — about eight percent of the city’s total electricity use. This amount of energy would take 300 wind turbines one year to generate and could alone power around 295,000 Chicago homes. The city plans to meet their ambitious commitment through a combined strategy of on-site generation, utility-supplied renewable energy via Illinois’ Renewable Portfolio Standard, and acquiring renewable energy credits.

Via Flickr user Roman Boed
Image Credit: Flickr / Roman Boed

Cleaner Cities, Cleaner World

According to the World Health Organization (WHO), air pollution in many large cities around the world is well above guidelines, with almost 90% of people in urban centers breathing air that exceeds dangerous levels. In fact, around half of global urban populations endure pollution at least 2.5 times higher than what the WHO recommends.

Chicago and its agencies are working to ensure that its citizens are not among those statistics. In 2013, the city eliminated coal energy completely. CPS, CCC, and the Park District have been using solar arrays and other renewable energy sources since 2009 and they continue to expand their use of renewables. In addition, despite a 12% growth in jobs and a 25,000 person population increase between 2010 and 2015, the city managed to reduce its carbon emissions by seven percent.

One week before this announcement, Mayor Emanuel announced that the city’s Smart Lighting Project, which will replace outdated lighting fixtures with an energy-efficient management grid, will begin on the south and west sides of the city this summer. And, earlier this week, the city of Chicago was awarded a 2017 ENERGY STAR Partner of the Year Award by the U.S. Environmental Protection Agency for its protection of the environment through outstanding contributions to energy efficiency.

“By committing the energy used to power our public buildings to wind and solar energy, we are sending a clear signal that we remain committed to building a 21st century economy here in Chicago,” Mayor Emanuel said in a press release.

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Renewables Are Keeping the Air Force Energized in Field Environments

Power Struggle

War has long gone high tech. While we may not yet have artificially intelligent robot soldiers, plenty of innovations have made our soldiers more reliant on electricity. Modern forces are in need of reliable sources of this power to successfully complete their missions around the world. The Air Force Research Laboratory’s Advanced Power Technology Office (APTO) is working on solutions to meet that need.

Working with the Air Force Civil Engineer Center, they hope to create “a totally deployable, self-sustaining power system.” They are making significant progress with a mobile renewable power station. The station is housed in a 10-foot long trailer and relies on a combination of batteries and solar panels. “We are taking what we learned and applying it to a rapidly deployable system,” says Air Force 1st Lt. Jason Goins, a project engineer. “We are looking at something that will be set up and deployed in an hour. If you can power a shelter in 30 minutes with affordable solar and wind, that’s spectacular.”

Air Force photo by Donna LindnerAir Force photo by Donna Lindner

Combat-Ready Power

The system is known as a microgrid. According to the APTO’s description, “Monocrystalline silicon solar panels are placed on top of each tent for energy production. A trailer, at center, holds the hardware, software, and lithium ion batteries that form the smart grid and provide energy backup should the grid fail.”

Having such technology in the presence of military operations provides some unique obstacles that your average solar farm may not have to consider. For this reason, the APTO is also working on making the solar panels bulletproof.

Renewable sources of power allow for a lot more than just a cleaner Earth: fossil fuel power generation simply can’t produce the kind of power possible with this type of technology. Diesel generators require constant refueling, which would be a serious physical burden on any mission.

The APTO plans to continue testing the tech and work with the Army to provide the best energy solutions for the U.S. military.

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The Kentucky Coal Mining Museum Will Be Powered by Solar Energy

Seeing the (Sun)light

A museum dedicated to the coal industry will soon turn to renewables for its power. The Kentucky Coal Mining Museum in Benham, owned by Southeast Kentucky Community and Technical College, is an institution that memorializes the state’s history in coal mining.

Now, with the intent of saving on power costs, the museum is switching to solar energy. According to communications director Brandon Robinson in an interview with WYMT, the project will save the museum at least $8,000 to $10,000 in energy costs on just one of their buildings alone.

“It is a little ironic,” Robinson said in the interview. “But you know, coal and solar and all the different energy sources work hand-in-hand. And, of course, coal is still king around here.”

Funding for the initiative was provided via a third party foundation, and the project will require the installation of 20 solar panels by Bluegrass Solar, costing around $17,000 to $20,000. Tre Sexton, who owns Bluegrass Solar, believes the investment will pay off within five to seven years.

Future of Solar Energy

Given how things are going in the field of renewable energy, it’s fair to say that the world’s long history with coal is coming to a close — especially with the advent of multiple renewable energy sources becoming more accessible and affordable to the public than ever before.

This Is the Future of Energy. Check out the World’s Largest Floating Solar Farm
Click to View Full Infographic

Renewable energy has been all over the news. In 2016, solar power became cheaper than fossil fuels, the U.S. installed its first commercial offshore wind farm, and innovations in the field continued to bring down the costs of safer, alternative energy sources. This year, Elon Musk is making a big push to make solar roof technology available to the public with his much anticipated solar roofs, which are poised to hit the market in April.

Perhaps the transition of this coal mining museum to solar energy will accomplish more than just cost cutting for the institution — for some, it may illustrate how we as a society are advancing towards a future of renewable energy.

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A Company in Japan Just Broke the World Record for Solar Panel Efficiency

The Rise of Solar Power

Solar power is certainly on the rise around the world. There are massive solar power generating installations across Asia, with countries like India and China taking turns being the home of the largest arrays. 

Top 10 Countries Using Solar Power
Click to View Full Infographic

Even the United States is making some massive strides with this source of renewable energy. In fact, solar energy is faring better than coal—even in terms of the economy. There are more people employed by the solar industry than in coal, and the price of solar power continues to fall. A trend that is likely to continue—especially if we continue to improve the efficiency of harvesting the sun’s energy.

To that end, researchers in Japan are doing their part: a team from the company Kaneko has recently announced breaking the efficiency record of solar panels—which now stands at 26.6 percent. “Improving the photoconversion efficiency of silicon solar cells is crucial to further the deployment of renewable electricity,” says the team.

The research has been published in Nature Energy.

Catching the Sun

The company’s approach—known as thin-film heterojunction (HJ) optimization—improves on a technique that layers silicon inside individual cells to minimize the space where electrons can’t exist. These spaces are call band gaps. A few more innovations allowed for the collection of a greater number of photons, leading to a more efficient panel.

Other approaches have been able to reach an even higher efficiency percentage, but they are not yet viable for consumer-friendly applications.

Continuing on this trend toward efficiency is only going to make the prices of solar power continue to drop. Improvements in production processes will speed this along as well, since panels that are cheaper to produce will cost less for the consumer. Last year, the world was able to double its solar power capacity—so just imagine what will be possible with higher efficiency capabilities.

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Renewable Energy Is Shattering Records in the U.S.

Setting And Breaking Records

The California Independent System Operator (ISO) tweeted on March 23 that it hit an all-time peak percentage of demand served by renewable sources of energy at 56.7 percent that day at 11:25 am. About 60 percent of that renewable energy was provided by solar energy sources, which is especially impressive given that it was still only spring. Of course, this isn’t really that surprising to anyone who’s paying attention in California, because renewable energy has been setting and breaking records repeatedly lately in that state.


In February California broke its record for percentage of peak power demand served by solar energy sources when almost 8,800 megawatts of solar power fueled the grid in a day. That record lasted less than a week — in wintertime, no less — as over 9,000 megawatts were generated in a single day. That record, too, was shattered almost immediately.

As solar costs continue to drop and wind remains among the least costly sources of energy available, California appears to be on track for making its 50 percent clean energy target by 2030 with ease. Getting to 100 percent is going to take some intervention, however, because the state is generating more power than it needs during daylight hours and not enough during peak hours after the sun goes down. And some California legislators have started to push for just that.

Legislating Green Solutions

A new bill is making its way through the state legislature that would require California’s utility companies to source at least 40 percent of their peak demand energy from clean sources by the end of 2027. This would essentially force the use of industrial batteries, pushing utilities and industry to work together to develop storage systems for solar power. The bill would also promote energy conservation and efficiency programs that reduce consumption of energy during peak times.

Renewable Energy Sources Of The Future [Infographic]
Click to View Full Infographic

In a sense, the bill reflects California’s progress in its fight to limit Greenhouse Gas emissions. The state’s goals include reducing emissions 40 percent below 1990 levels by 2030, and then 80 percent by 2050. Achieving these goals will mean not just more renewables, but making better use of the renewables that are there, and running the grid without backup from fossil fuels.

Critics of the bill argue that the government should set the goals and then let the market work out how best to meet them. If fighting climate change is the goal, critics reason, then the government should mandate either increased use of renewables, reductions in emissions, or both, and then step aside to allow market-sourced solutions. They believe that energy storage wouldn’t be the market’s response, because it is relatively costly and indirect in terms of the end goal of fighting climate change.

However, although batteries are currently too costly for adoption on a larger scale, their proponents respond that incentivizing new technologies is a strategy that has historically succeeded in California, and that there is no requirement that implementation of batteries be completely in the black the moment the legislation goes online.

It remains to be seen which solutions will work best for California in the relatively short time frame that remains before the deadlines it has set for itself. There’s no doubt that the state has targeted aggressive goals, and while Californians are differing in the details of how to meet them, they appear united in the push to achieve them.

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Elon Musk Says Solar Roofs Will Be Available for Purchase in April

It’s been a busy day for Elon Musk on Twitter. The Tesla and SpaceX CEO has been actively replying to tweets, answering questions about the latest developments for his multiple companies. So far, Musk has given updates on the Tesla Model 3, his Boring Company, and now, Tesla’s solar roofs.


When asked about an arrival date for Tesla’s new solar roof shingles, Musk replied that the company would begin accepting orders in April. With production of these solar tiles expected to kick off this summer at the Tesla Gigafactory 2 in Buffalo, opening up for orders in April makes sense.

The Tesla Revolution [INFOGRAPHIC]
Click to View Full Infographic

Tesla’s solar roof tiles, courtesy of Musk’s newly acquired renewable energy company SolarCity, are expected to be tougher than regular shingles, but cost less. Tesla has previously revealed plans for four different styles for their solar tiles, but production will begin with just one type. New styles will be added gradually every few months, if all goes according to plan.

With its solar roof tiles and Powerwall 2, Tesla is creating a sustainable energy ecosystem for the home. It’s a revolutionary idea. Making renewable energy available to every home could go a long way toward reducing the world’s dependence on fossil fuels, which would do a world of good in the global fight against climate change.

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New Technologies Could Let Our Devices Power Themselves

The core vision in the scenario publication “The Future as Told Through the Garden and the Streets” is that technologies for the hyperconnected planet enable a decoupling between increasing well-being and the consumption of natural resources. The basic requirement for that to happen is that the IoT and industrial internet technologies as a whole are energy neutral. To decouple well-being and the consumption of natural resources, overall energy consumption should decrease globally. Simply put, to maintain our current quality of life, the next technological paradigm cannot require more energy than it helps to save.

Auto Draft

The requirement is tough. Nevertheless, there are multiple routes through which new technologies and behavior patterns can affect overall energy paradigms. One possibility is the emergence of sensors and devices that harvest energy for their own use. Another is lower marginal costs for renewable energy solutions and better efficiency of, for instance, solar energy. Or we might start to discover hyperconnected solutions that significantly increase energy efficiency as a whole through technological or behavioral progress.

Microscaling Energy Production

The transformation of the energy industry seems to be following a similar path as in the transformation of the information industry. This industry used to consist of strategic information production facilities, i.e. the press, television companies and other media companies. Currently, most information is produced locally and delivered through corporate platforms such as Facebook and Google. Soon, most information will be produced at a microscale and will be machine readable only. Most of this “nanoscale” information does not go to a shared platform but is stored and analyzed locally. For example, the 5G standard will allow this kind of local operations for information.

Currently, most energy is produced at the macroscale in strategic facilities, such as nuclear plants, coal plants and even centralized solar power plants. Strategic energy production is the most efficient way to produce electricity. It is also the most vulnerable, as the energy source (typically different forms of coal and oil) and the electricity generation facilities are centralized, leading to a fierce competition over their control for political reasons.

New Technologies Could Let Our Devices Power Themselves
Tim Green/Flickr

We are currently seeing the ongoing transformation to local production. This microscale production most often occurs on the rooftops of homes and factories, with rooftop solar and wind devices (although small-scale nuclear plants are also sometimes proposed). The production of energy (especially heat) used to be done at the microscale before the turn of the previous century. Previously, factories were constructed next to rivers and could produce the required energy locally, and houses had stoves to warm them up. Still in 2013, more than 2.7 billion people – 38% of the world’s population – were estimated to have relied on the traditional use of solid biomass for cooking (IEA, hat tip for the fact to Reddit user kundun).

Nanoscale energy production means producing electricity on the device level. This is made possible especially by the development of better supercaps that free devices from batteries, energy-efficient circuit boards and printable solar cells. As the devices we use get smaller and become first wearables and then nearables, energy harvesting becomes easier and easier. This is a huge systematic change because of the size of the energy markets. Thus, it is also a major business opportunity. But nanoscale energy production also must happen. This nanoscale energy production is what truly makes it reasonable to claim that we can have a hyperconnected planet without increasing the use of limited natural resources.

In a post-energy society, it will be possible to generate energy at the macroscale, microscale, and nanoscale. Every item will be able to generate its own energy. And when energy harvesting happens everywhere, we just might get the right amount of energy abundance – an energy singularity, if I may say so.

When energy is abundant, it does not matter anymore: we will be free from it. Then, anything from a Dyson sphere to a fair world will be possible.

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The U.S. Has More Solar Potential Than We Realized

8 Million Homes

According to a new study, if the top U.S. cities identified as having the most solar rooftop potential were utilized, the country could produce enough to power 8 million homes across the country.

This statistic was released by Project Sunroof, which uses data from Google Maps and Google Earth, as well as 3D modeling and machine learning, to determine the potential impact of consistent adoption of solar power.

County-level solar coverage from 2015 – 2017

sunroof image 1
Credit: Project Sunroof, Google

For their study, around 60 million buildings were analyzed, which provided key insight into the potential of solar energy in the U.S. According to their findings:

  • 79 percent of rooftops included in the study can be used for solar power.
  • In states like Hawaii, Arizona, Nevada, and New Mexico, 90 percent of homes can be utilized for solar power.
  • States like Pennsylvania, Maine, and Minnesota still reach 60 percent viability for solar power generation.
  • Houston, Texas, has the highest solar potential among all U.S. cities studied. Around 18,940 gigawatt hours (GWh) could potentially be produced if homes were converted to support solar generation.
  • Other cities that show high potential for solar rooftop generation include Los Angeles, Phoenix, San Antonio, and New York.

Solar Perspective

Solar has long been known as an efficient and low-carbon source of electricity. But thus far, adoption has been limited because of cost. Recent advances in the field, however, saw the price of solar power and infrastructure drop dramatically, making it a viable, if not preferred, source of power generation.

According to the U.S. Energy Information Administration, the average U.S. home will consume 10,812 kilowatt hour (kWh) annually. There are one million kWh in one GWh, which means one GWh or energy will already be enough to supply power to 90 homes all year.

With global temperatures consistently hitting all time highs, the realities of climate change are literally being felt all over the world. Efforts to address Greenhouse Gas are becoming more crucial. A big part of this effort is centered on increasing use of renewable energy sources.

Renewable Energy Sources Of The Future [Infographic]

The world’s solar capacity is currently at 305 gigawatts, with countries like the U.S., China, and the United Kingdom leading the rest of Europe. Given the collective capacity of all countries, the amount of solar energy has nearly doubled since 2015. The city of New York, for example, has already increased its solar power use by over 800 percent, and California is boasting a 34 percent share of the overall country’s solar use.

Advancements in solar power technology, combined with these recent findings, underscore just how accessible sustainable and green energy can be these days. Where cost was once a barrier, a continued push to ensure that the technology becomes available to more and more people means the world can realistically shift from traditional carbon-emitting sources to renewables.

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The Activation of Everything Will Optimize Your Entire World

Solar panels are undergoing rapid evolution in the last ten years. I’ve written about this in previous posts in the blog (see for example the forecast that we’ll have flying cars by 2035, which is largely dependent on the sun providing us with an abundance of electricity). The graph below is pretty much saying it all: the cost for producing just one watt of solar energy has gone down to somewhere between 1 percent and 0.5 percent of what it used to be just forty years ago.

At the same time that prices go down, we see more installations of solar panels worldwide, roughly doubling every 2-3 years. Worldwide solar capacity in 2014 has been 53 times higher than in 2005, and global solar photovoltaic installations grew 34% in 2015 according to GTM Research.

Source: GTM Research

It should come as no surprise that regulators are beginning to take note of the solar trend. Indeed, two small California cities – Lancastar and Sebastopol – passed laws in 2013 requiring new houses to include solar panels on their roofs. And now, finally, San Francisco joins the fray as the first large city in the world to require solar panels on every new building.

San Francisco has a lofty goal: meeting all of its energy demands by 2025, using renewable sources only. The new law seems to be one more step towards that achievement. But more than that, the law is part of a larger principle, which encompasses the Internet of Things as well: the Activation of Everything.

The Activation of Everything

To understand the concept of the Activation of Everything, we need to consider another promising legislation that will be introduced soon in San Francisco by Supervisor Scott Wiener. Supervisor Wiener is allowing solar roofs to be replaced with living roofs – roofs that are covered with soil and vegetation. According to a 2005 study, living roofs reduce cooling loads by 50-90 percent, and reduce stormwater waste and runoff to the sewage. They retain much of the rainwater, which later goes back to the atmosphere through evaporation. They enhance biodiversity, sequester carbon and even capture pollution. Of course, not every plant can be grown efficiently on such roofs – particularly not in dry California – but there’s little doubt that optimized living roofs can contribute to the city’s environment.

Supervisor Wiener explains the reasons behind the solar power legislation in the following words –

“This legislation will activate our roofs, which are an under-utilized urban resource, to make our City more sustainable and our air cleaner. In a dense, urban environment, we need to be smart and efficient about how we maximize the use of our space to achieve goals like promoting renewable energy and improving our environment.”

Pay attention to the “activate our roofs” part. Supervisor Wiener is absolutely right in that the roofs are an under-utilized urban resource. Whether you want to use those roofs to harvest solar power or to grow plants and improve the environment, the idea is clear. We need to activate – in any means possible – our resources, so that we maximize their use.

A living roof in lower Manhattan. Source: Alyson Hurt, Flickr

That is what the Activation of Everything principle means: activate everything, whether by allowing surfaces and items to harvest power or resources, or to have sensing and communication capabilities. In a way, activation can also mean convergence: take two functions or services that were performed separately in the past, and allow them to be performed together. In that way, a roof is no longer just a means to provide shade and protection from the weather, but can also harvest energy and improve the environment.

The Internet of Things is a spectacular example for implementing the Activation of Everything principle. In the Internet of Things world, everything will be connected: every roof, every wall, every bridge and shirt and shoe. Every item will be activated to have added purposes. Our shirts will communicate our respiration rate to our physicians. Bricks in walls will report on their structural integrity to engineers. Bridges will let us know that they’re close to maximum capacity, and so on.

The Internet of Things largely relies on sophisticated electronic technologies, but the Activation of Everything principle is more general than that. The Activation of Everything can also mean creating solar or living roofs, or even creating walls that include limestone-secreting bacteria that can fix cracks as soon as they form.

Where else can we implement the Activation of Everything principle in the future?

The Activation of Cars

There have been many ideas to create roads that can harvest energy from cars’ movements. Unfortunately, the Laws of Thermodynamics reveal that such roads will in fact ‘steal’ that energy from passing cars, by making it more difficult for them to travel along the road. Not a good idea. The activation of roofs works well specifically because it has a good ROI (Return on Investment), with a relatively low energetic investment and large returns. Not so with energy-stealing roads.

But there’s another unutilized resource in cars – the roof. We can use the Activation principle to derive insights about the future of car roofs: hybrid cars will be covered with solar panels, which will be used to harvest energy when they’re sitting in the parking lot, and store it for the ride home.

Don’t get the math wrong: cars with solar roofs won’t be able to drive endlessly. In fact, if they rely only on solar power, they’ll barely even crawl. However, they will be able to power the electrical devices in the car, and trucks may even use solar energy on long journeys, to cool the wares they carry. If the cost of solar panel installation continues to go down, these uses could be viable within the decade.

Solar Trade Association

The Activation of Farmlands

Farmlands are being activated today in many different ways: from sensors all over the field, and sometimes in every tree trunk, to farmers supplementing their livelihood by deploying solar panels and ‘farming electricity’. Some are combining both solar panels and crop and animal farming by spreading solar panels at a few meters height above the field, and growing plants that can make the most of the limited sunlight that gets to them.

The Activation of the Air

Even the air around us can be activated. Aerial drones may be considered an initial attempt to activate the sky by filling them with flying sensors, but they are large, cumbersome and interfere with aerial traffic and with the view. However, we’ll be able to activate air in various other ways in the future, such as smart dust – extremely small sensors with limited wireless connectivity that will transmit data about their whereabouts and the conditions there.

The Activation of Food

Food is one of the only things that have barely been activated so far. Food today serves only two goals: to please by tasting great, and to nourish the body. According to the principle of Activation, however, food will soon serve several other purposes. Food items could be used to deliver therapeutics or sensors into the body, or possibly be produced with built-in biocompatible electronics and LEDs to make the food look better on the plate.

A Living World

As human beings, we’ve always searched for ways to optimize efficiency and to make the best use of the limited resources we have. One of those limited resources is space, which is why we try to activate – add functions – to every surface and item today.

It’s fascinating to consider how the Activation of Everything will shape our world in the next few decades. We will have sensors everywhere, solar panels everywhere, batteries and electronics everywhere. It will be a world where nothing is as it seems at first glance anymore. An activated world – a living world indeed.

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Musk Just Promised To Solve This Country’s Energy Crisis in 100 Days or It’s Free

A Serious Tweet

Elon Musk is never shy about making grand announcements and declaring his ambitious plans, especially when they’re anchored in his vision for a more sustainable future. His latest promise is to help South Australia create a solar farm that will address the their energy issues in just one hundred days — or he’ll do the work for free.

In South Australia, energy prices continue to surge, and local companies remain unable to meet public energy demand — mostly due to environmental concerns. Last year, storms led to a state-wide blackout that shut down operations for numerous ports and public transportation, as well as disrupting business operations in the fifth most populous state in the country.

To that end, co-founder of SolarCity (and Musk’s cousin) Lyndon Rive says they’re capable of installing 100 to 300 megawatt per hour battery storage, which could solve South Australia’s energy issues. And while Rive doesn’t “have 300 MWh sitting there ready to go,” he told AFR that he can certainly get them.

After making this statement, Mike Cannon-Brookes, CEO of Atlassian, tweeted Lyndon and Musk if they were indeed serious about the offer.

Musk replied:


Making It Happen

On Cannon-Brookes’ end, he asked for seven days to “sort out politics and funding,” at which point he also requested that the Tesla CEO send an approximate quote on how much a 100MW battery farm — at “mates rates” — would cost.

According to Musk, it would cost $250 per kWh to produce over 100MWh. He’s confident that Tesla could get the system installed and working within one hundred days of signing a contract.

Assuming that Cannon-Brookes can indeed secure the paperwork needed to get the project underway, Tesla certainly has a reputation when it comes to delivering on its promises. Last year, Tesla took on a similar project in California: a 80MW farm that was completed in just 90 days that provided grid-scale power in response to possible power shortages.

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The World Doubled Its Solar Power Capacity in 2016

Here Comes the Sun

The rise of the solar energy industry is astounding. Though virtually nothing in the early 2000s, the world’s solar capacity is now at 305 gigawatts. The countries taking the lead in this worldwide solar power surge are the United States and China, with the United Kingdom leading the rest of Europe.

A report compiled by SolarPower Europe notes that both the U.S. and China almost doubled the amount of solar energy they added in 2016 from 2015’s numbers. Just to give an example in the case of the U.S., the state of New York alone has increased its solar power use by more than 800 percent. The 49 other states are also contributing to the growth, with California dominating them all, boasting a 34 percent share of the U.S. market.

Image credit: SEIA
Image credit: SEIA

As for China, it’s now the world’s largest solar energy producer. Reports from China’s National Energy Administration (NEA) estimate that the country more than doubled its solar energy production in 2016. By last year’s end, China reached 77.42 gigawatts of solar, generating around 66.2 billion kilowatt-hours of power.

In Europe, despite suffering setbacks due to cuts in government incentives for solar adoption, the U.K. managed to increase its solar capacity by 29 percent, with Germany following at 21 percent and France with 8.3 percent.

Image credit: SEIA/The Solar Foundation
Industry employment data. Image credit: SEIA/The Solar Foundation

Solar energy adoption has become increasingly viable due to a notable drop in costs. According to data from the Solar Energy Industries Association (SEIA), the cost for installing solar-powered systems has dropped by more than 60 percent over the last decade. For one, solar panels have become cheaper, encouraging adoption in a host of other areas apart from roofing.

Pushing Renewables

As the world faces the realities of climate change, with global temperatures hitting another all-time-high record in 2016, efforts to fight the climate problem are now more crucial than ever. One of the ways governments and various groups in the private sector can contribute to this fight is through the increased use of renewable energy sources, like solar energy.

“In order to meet the Paris [climate agreement] targets, it would be important if solar could continue its rapid growth,” explained James Watson, chief executive at SolarPower Europe. “The global solar industry is ready to do that and can even speed up.” To reach the goals of the agreement, half of the world’s energy must be generated from renewables by 2060.

The World Doubled Its Solar Power Capacity in 2016

Renewables can also drive the economy forward by providing jobs. In the case of solar energy in the U.S., roughly 209,000 Americans now work in the industry, according to The Solar Foundation. That’s more than double 2010’s figure, and the number is expected to increase to more than 360,000 by 2021. It’s an industry that’s already employing more people than its fossil fuel counterparts combined.

Solar energy isn’t the only alternative source currently being explored and developed. Other efforts include harnessing wind energy, which just covered more than 50 percent of one U.S. power grid’s energy demands. Efforts are being undertaken to improve nuclear energy production, specifically research in sustainable fusion, as well as developments in solar fuel technology. With all of these efforts combined, humanity has a chance to stop or even reverse the damage done to the planet.

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The Price of Solar Has Dropped 58% in the Last 5 Years

58 Percent Cheaper

According to a recent report by Australian non-profit the Climate Council, solar energy is now cheaper than retail power in most capital cities in Australia, with prices dropping 58 percent globally in the past five years. With costs expected to drop between 40 to 70 percent more by 2040, we can only expect a rise in adoption and usage in that country and others around the globe.

Image Credit: Council Council

“We are seeing more and more industrial-scale solar coming online across the country and the world. Hospitals, airports, farms and a variety of other businesses have embraced smarter and cleaner power,” Greg Bourne, expert Councillor with the Climate Council, told SBS.

Nearly 7,000 solar batteries were installed in Australian homes last year, and that number is expected to triple in 2017. The Council adds in its report that industrial-scale solar plants are now providing cheaper power versus traditional coal plants. Twenty solar power plants are scheduled to be built around Australia, which will see an additional 3,700 megawatts of solar energy — that’s enough to power 600,000 homes. This will no doubt help Australia achieve its goal of reaching 20 gigawatts of solar generation in the next two decades.

Solar Surge

Transitioning to renewable energy is not only necessary as we continue to see and feel the effects of climate change, it also makes economic sense.

For a country like Australia, where sunshine is abundant, supporting the growth of solar energy can create new jobs and new industries. More than 8,000 Australians already hold jobs in the solar industry, ranging from salespeople and manufacturers to electricians and installers. Projections expect that with renewable energy reaching 50 percent by 2030, Australia alone will benefit from 28,000 new jobs.

Countries using Solar Power

Globally, 2.8 million people have jobs in the industry, which is more than those with coal jobs. In fact, in the United States, solar accounts for double the number of jobs as coal. “The era of coal is over and global investment has moved firmly to renewable energy,” added the Climate Council in a statement. “Solar power is cheaper, has no fuel costs, is non-polluting and it is clear that it will be a key of Australia’s future.”

Along with Australia, countries like China, the U.S., and Japan are at the forefront of renewable energy, with many other countries around the globe following suit. In 2015, a study showed that the U.S. could be completely powered by renewable energy by 2050. In 2016, almost all of Costa Rica’s electricity was generated using renewable sources. Germany, in an effort to phase out nuclear energy, is also well on its way to making other renewable energy sources more viable. As these individual efforts and global ones like the Paris Agreement take shape, we will hopefully see a tangible impact on our environment.

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New York State Increased Its Solar Power Use by Nearly 800%

A National Leader

New York is putting its money where its mouth is when it comes to a clean energy commitment. The state boasts an almost 800 percent increase in solar power over the past five years.

Alt Energy Sources

According to a statement made earlier this week by Governor Andrew M. Cuomo, “New York is a national leader in clean energy, and the tremendous growth of the solar industry across this state demonstrates this renewal technology’s increased accessibility and affordability for residents and businesses.”

The state generated 83.06 MW of solar power in 2011. Last year, that increased by 795 percent to 743.65 MW. The state has invested $1.5 billion in the renewable source of energy, and its governor recognizes the massive impact renewable energy has on the economy. “Our investments in this clean energy resource create jobs, reduce carbon emissions, support economic growth, and help build a cleaner, greener New York for all,” said Cuomo.

National Push Forward

This kind of push to greater reliance on renewable sources of energy is not isolated to any one state. States across the country and even countries around the globe are moving to decrease fossil fuel use. Now that solar power is the cheapest source for new energy, it has become fiscally responsible on top of it already being environmentally prudent.

Other states getting in on the clean energy action include Nevada, with its push to rely on renewable sources for 80 percent of its electricity demand, and Massachusetts, with its proposal to switch to 100 percent renewable sources by 2035. The U.S. has the power to generate 25 percent of its energy demand from rooftop solar panels alone using current technology, and that’s not even considering the all-solar roofs that Elon Musk’s SolarCity is planning to offer at some point this year.

Predictions were made a century ago that nobody would be using coal by 2017. While that prediction has not come to complete fruition, it may turn out that it wasn’t too far off the mark.

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India Just Broke a World Record With Its New Solar Farm

China may be the largest producer of solar energy in the world, but neighboring India is no less ambitious when it comes to renewable energy. Expected to become the world’s third-biggest solar market after China and the USA, it is putting its money where its mouth is. A case in point: the country has just put the world’s largest solar power plant into service.

This is good news not just for India’s future energy security but also for its people’s short-term energy needs.

Beating Records

The Adani Group’s new site in the southern Indian state of Tamil Nadu covers an area of 10 square kilometers and has a capacity of 648 megawatts (MW). This is nearly 100 MW more than the previous record-holder, the Topaz Solar Farm in California.

The plant was built in only eight months, comprises 2.5 million individual solar modules and cost $679m to build. It is estimated that it will produce enough electricity to power about 150,000 homes at full capacity.

Made up of five plants in a single location, the solar photovoltaic project has helped push India’s total installed solar capacity across the 10 gigawatt mark, which only a handful of countries can claim.

 Installed solar capacity and cost in India
Installed solar capacity and cost in India. Image: Bridge to India

Leading the World in Renewables

A signatory of the Paris Agreement, India is forecast to meet its renewable energy commitments three years early and exceed them by nearly half. The country is aiming to generate nearly 60% of its electricity from non-fossil sources by 2027.

Solar is a particular focus: it makes up only 16% of renewable energy capacity now but is set to contribute over half of the renewables target by 2022: 100 gigawatts of 175 GW. Large installations will be key to achieving this, and the government is planning 33 solar parks in 21 states, with a capacity of at least 500 megawatts each.

Plugging a Gap

Prioritizing solar is not just an investment in the future, though. India is one of the world’s fastest growing economies, and its energy use has doubled since 2000, according to the International Energy Agency.

Last year, the country declared that it had a power surplus for the first time ever, though The Hindu reported that 300 million people still don’t have access to electricity and power cuts continue to be ‘rampant.’ The issue, it appears, is that capacity remains unused in the grid because some state power companies simply cannot afford to buy sufficient electricity.

The Indian government has recently launched an energy ‘blueprint’, and raised its investment target for solar energy to $100 billion in an attempt to address both these near-term issues as well as securing its energy supply far into the future.

This will be important even if China is about to overtake India with an even larger solar power plant which is capable of producing 850 MW of power, enough to supply up to 200,000 households.

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Nevada Pushes for 80% Renewable Energy by 2040

Using the Sun

There’s a lot of sun in Nevada, so it only makes sense to harness its power. That’s why long-time solar champion and Nevada legislature assemblyman Chris Brooks proposed AB 206, a bill that pushes the state’s renewable portfolio standard (RPS) from its current 22 percent goal to 80 percent by 2040.


The bill pushes an incremental increase in Nevada’s RPS goal on a two-year interval. This would start with a 4 percent increase in 2018-2019 that would put the RPS goal at 26 percent. In each subsequent year, it would increase by 4 percent until 2030, when utility companies would be required to produce 50 percent of their energy using renewable sources.

AB 206 is very supportive of solar energy in Nevada, both in terms of rooftop and utility-scale solar power. While it cuts the existing requirement for utilities to generate 5 percent of their RPS goal from solar power, the bill includes making solar power sent from homes to the grid a mandatory goal for utilities. Nevada’s Public Utilities Commission (PUC) recently approved a deal between NV Energy and SolarCity that gives customers the right to retain their retail rate net metering deal, so this bill would be the second big win for solar in the state.

A Renewed Effort

Nevada joins Massachusetts in the effort to push the use of renewable energy sources. The latter state recently introduced a similar bill in its state assembly that pushes for 100 percent renewable energy use in Massachusetts by 2035.

Photo source: Elena Elisseeva/Shutterstock
Photo source: Elena Elisseeva/Shutterstock

The reasons for both bills are the essentially the same, which is to “encourage and accelerate the development of new renewable energy projects for the economic, health, and environmental benefits provided to the people of this State,” according to AB 206.

As the federal government seems to favor fossil fuels, it’s left to states like Nevada and Massachusetts to keep renewable energy efforts moving through government channels. Hopefully, more states will follow in the path of these pioneers of renewable energy.

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The Solar Industry Now Employs Twice As Many People As Coal

The Rise of Renewables

The US’ renewable energy industry is currently thriving. A survey released by The Solar Foundation shows that the solar industry has nearly tripled employment since they started tracking its growth back in 2010.

According to the study, 260,000 people are now employed by the solar industry. The majority of positions are currently in installation, with workers earning an average of $25.96 per hour. The biggest market so far, is residential, which encompasses 41 percent of available jobs; with the commercial and utility-scale markets trailing behind.

Image Credit: The Solar Foundation

The Solar Foundation reports:

Solar employs slightly more workers than natural gas, over twice as many as coal, over three times that of wind energy, and almost five times the number employed in nuclear energy. Only oil/petroleum has more employment (by 38%) than solar.

To date, California has the biggest solar capacity in the US, accounting for 34 percent of installations in 2016. But as the study notes, states such as New Jersey, New York, Texas, South Carolina, and Utah have also seen a significant rise in solar installations.

Fast Growing Industry

Right now, solar energy accounts for only 1.3 percent of the US’ electricity, but it is poised for unprecedented growth. Case in point, last year, solar only accounted for just one in every 50 jobs in the country. Today, it has already overtaken traditional jobs offered in the coal energy industry.


Image Credit: The Solar Foundation

Since solar is still a burgeoning industry, the physical installation element still keeps costs up. But, as technology advances and the labor-intensive nature of the solar industry lessens, costs will only continue to drop and the renewable resource will be a more prominent source of energy.


Once solar becomes a dominant energy source, it’s possible that the industry might not deliver the volume of manual job opportunities it initially did. However, as with all industries, advancements in technology will create a need for alternate types of jobs. This transition to renewable resources will not only create new types of jobs but make current workplace efforts less costly because of lowering solar energy costs. As the future becomes the present and the nature of solar energy work changes, one thing remains

As the future becomes the present and the nature of solar energy work changes, one thing remains constant. The more fossil fuel sources that can be replaced by renewable energy, the better off we all will be. From the financial burden of fossil fuel to the impending realities of climate change, renewable energy like solar will only become a more necessary resource.

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China is Now the Biggest Producer of Solar Energy in the World

China has proven that it is, in fact, very serious about its intentions to lessen dependence on coal. According to China’s National Energy Administration (NEA), the country has more than doubled its solar energy production in 2016—making them the biggest producer of solar energy (in terms of capacity) in the world

Image Credit: Reuters

By the end of last year, China hit 77.42 gigawatts, which generated 66.2 billion kilowatt-hours of power. While significant, the figure is relatively small given China’s massive population. And being the world’s biggest industrial nation, this only accounted for one percent of the country’s total power generation. However, given that China is looking to significantly boost its use of renewable power, that number will hopefully increase in the years to come.

Following NEA’s development plan and energy goals, the country is working towards adding over 110 gigawatts of capacity by 2020. With continued focus and effort, they hope to increase their use of renewable power from 11 percent to 20 percent by 2030.

Transitioning to renewable energy will require a significant investment from China, but it’s an investment that China is clearly ready to make. In fact, the country has already allotted $364 billion (2.5 trillion yuan) towards this vision. Since China is such a large producer with such a massive population, this large step towards sustainability will have a tremendous impact. With the ever-progressing repercussions of climate change upon us, efforts like this are what make a green future possible.

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More People Are Employed by Solar Power Than All Fossil Fuels Combined

Power to the People

Some very exciting numbers concerning renewable energy have just been revealed in a recent jobs report. According to the report, which was released by the United States’ Department of Energy, more people in the Electric Power Generation sector are employed by solar power than oil, gas, or coal power generation combined.

The report shows that from 2015 to 2016, solar energy employed 374,000 people, while all of the fossil fuels combined only accounted for 187,117 employees. This translates to 43 and 22 percent of the electric power workforce, respectively. The report states, “Proportionally, solar employment accounts for the largest share of workers in the Electric Power Generation sector. This is largely due to the construction related to the significant build out of new solar generation capacity.”

The prospects of future of job growth in the renewable portion of the energy sector adds to the current promise of the technology. Electricity generation from solar power has increased by over 5,000 percent between 2006 and September 2016. Last year alone saw an increase of 191 percent in new solar installations. Comparatively, natural gas managed an increase of just 33 percent during that same 10 year period, while coal saw a dramatic decline of 53 percent. As the report says, “These shifts in electric generation source are mirrored in the sector’s changing employment profile, as the share of natural gas, solar, and wind workers increases, while coal mining and other related employment is declining.”

Photo source: Elena Elisseeva/Shutterstock
Photo source: Elena Elisseeva/Shutterstock

Economics Meets the Environment

One of the major driving forces behind the proliferation of solar power and other renewable sources of energy generation is that advancements in the necessary technology have made it cheaper to generate from renewable sources. Now, even if it’s just due to a concern for the bottom line, companies are beginning to come around to sustainable energy. Solar power has even recently become the cheapest source of new energy.

As stated, new installations of solar power make up a large portion of the jobs in solar energy. This is great news as it is possible that the United States could get 25 percent of its total energy needs just from rooftop solar panel installations. This is even without the help of solar farms. As pointed out by the Environmental Defense Fund in a posting with Forbes, these energy jobs are safe from outsourcing due to the on-site nature of jobs made available by renewables. They also add that these jobs pay nearly $5,000 above the national median wage.

Now that big business is beginning to see the light, there is a lot of momentum in clean energy. While many may see the environmental benefit of investing in renewable power, all can appreciate a new opportunity to make and save a lot of money.

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Infinite Solar Power Technology Could Completely Change Our Future

The Sun Goes Up, and Oil Goes Down

Last 2016, solar power saw a resurgence — from cheaper solar panels to innovative roofing for houses and cars, to solar powered roads, and even to powering an entire island. It seems we have entered a new age in solar energy. Well, it doesn’t end there. In the years to come, we may see the rise of solar power, according to Thierry Lepercq, French energy company Engie SA’s head of research, technology, and innovation.

“The promise of quasi-infinite and free energy is here,” Lepercq declares, in an interview with Bloomberg. His arguments aren’t based on any environmental concern. Rather, he takes the perspective of price.

“Solar, battery storage, electrical and hydrogen vehicles, and connected devices are in a ‘J’ curve,” Lepercq said. “Hydrogen is the missing link in a 100 percent renewable-energy system, but technological bricks already exist.” Lepercq believes that the price of solar power will probably fall below $10 per megawatt-hour (roughly 1¢/kWh) in the world’s sunniest places.

As a consequence of the rise of renewables, oil prices are expected to plummet. “Even if oil demand continues to climb until 2025, its price could drop to $10 if markets anticipate a significant fall in demand,” he said.

“As carmakers offer more electrical vehicles with a range exceeding 500 kilometers, charging stations being progressively deployed and more cities banning gasoline and diesel cars, a shift will progressively take place,” Lepercq added.

Indeed, gone are the days when people viewed renewable energy sources as too expensive. Instead, we are moving away from conventional coal-based sources, which could even be more expensive in the future.

Solar Power Shines

Lepercq isn’t alone in seeing the price potential of renewables, particularly solar energy. The World Economic Forum (WEF) recently published a report showing how solar power now costs cheaper than fossil fuels.

[R]enewable energy technology, especially solar and wind, has made exponential gains in efficiency in recent years, enough to achieve economic competitiveness and, in an increasing number of cases, grid parity. For instance, the unsubsidized, levellized cost of electricity (LCOE) for utility scale solar photovoltaic, which was highly uncompetitive only five years ago, has declined at a 20% compounded annual rate, making it not only viable but also more attractive than coal in a wide range of countries.

This is all because, as mentioned above, we have seen an increased use of solar energy. Innovations thrived. Nations and private corporations were both in on it, too. We are seeing the construction of large-scale solar energy infrastructure.


We now have a farm that uses seawater and solar power to grow crops, we’ve built the largest solar desalination plant, and we’ve even managed to have supercomputers that run on solar power. And the ways that solar power is being used will only get better in the next couple of years.

Indeed, quasi-infinite and free energy is well on its way.

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Solar Power Finally Becomes the Cheapest Source for New Energy

Say Hello to the Sun

When it comes to obtaining new energy, solar energy now costs less than fossil fuels, according to a report by the World Economic Forum (WEF). Data from Bloomberg New Energy Finance (BNEF) also show decreased prices, with the mean price of solar power in about 60 countries dropping to $1.65 million per megawatt, closely followed by wind at $1.66 million per megawatt.

Michael Drexler, Head of Long Term Investing, Infrastructure and Development at the World Economic Forum, found the downturn in prices to be an encouraging sign.

“Renewable energy has reached a tipping point—it now constitutes the best chance to reverse global warming. Solar and wind have just become very competitive, and costs continue to fall. It is not only a commercially viable option, but an outright compelling investment opportunity with long-term, stable, inflation-protected returns.”

The US Energy Information Administration estimated that roughly 9.5 gigawatts of solar capacity was added to the country’s grid, making it the year’s top energy source. More and more households and companies are also going solar, adding 1.7 gigawatts of installed capacity.

“Solar investment has gone from nothing…five years ago to quite a lot,” said Ethan Zindler, analyst for BNEF in an interview at Bloomberg.

Decreases in price could be attributed to a large number of factors, like falling installation and equipment costs, new business ideas, and a rise in cleaner energy policies. A noticeable upshot in investment for solar energy undoubtedly helped, with China putting in a whopping $103 billion—more than that of the US, the UK, and Japan combined. Though it’s still not up to the agreed $1 trillion at the Paris accords, we may well be on our way.


Jack Guez, AFP/File
Jack Guez, AFP/File

A Brighter Tomorrow

Incredible milestones have been set this year, particularly in developing countries. Energy company SolarPack closed a deal to offer solar power in Chile for just $29.1 per megawatt-hour, which is about 60% cheaper than using a new natural gas plant.

BNEF chairman Michael Liebrich believes in the future of greener energy sources. “Renewables are robustly entering the era of undercutting [fossil fuels].”

Of course, the use of dirty energy will not stop just because other forms are cheaper in some parts of the world, but the promise here lies in the gradual impact that reports like those the WEF and the BNEF make: that humanity is not doomed to use fossil fuels, and that cleaner, alternative energy sources are actually viable.

In the next decade or so, the price of solar energy is expected to fall to about half of what it costs to generate electricity from coal. And all these estimations reck nothing of the possibilities of futuristic energy sources that are still in research and development, and are yet far over the horizon. Nuclear fusion, for instance, would certainly change the rules of the game, though it is proving to be rather more difficult of attainment than previously thought; other conceivable power technology, such as space-based solar energy, are equally remote, though promising.

So this exciting new research, combined with more energy-efficient tech and dedicated government policies, will perhaps shift our path from a future of pollution and depleted resources, to one with fresh air, cleaner surroundings, and the promise of unlimited energy.

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Sunny Days: Solar is Officially Becoming the Cheapest Form of New Electricity

Renewable Energy Wins

While renewable energy continues to be more expensive in countries where coal and fossil fuels remain dominant, emerging projects elsewhere have managed to produce renewable electricity at lower costs. The Bloomberg New Energy Finance (BNEF) notes in a year-end assessment that solar power is now around half the price of coal and gas, making it cheaper than wind energy, and ultimately the cheapest form of new electricity.

Solar power has reached record-low costs in the past. The difference is that past instances were achieved in isolated projects, whereas now we’re talking large-scale implementation.

As more and more renewable energy projects reach completion, costs are expected to keep plummeting. In its long-term forecast, BNEF predicts that, while coal and gas costs will stay low, renewables will still do better and will be the cheapest in many countries between now and 2040. Liebrich also says these favorable developments will continue regardless of subsidies: “renewable energy will beat any other technology in most of the world without subsidies.”

“Political Earthquakes” Ahead

BNEF attributes the huge drop in costs to emerging markets, particularly in Chile, Brazil, Uruguay, South Africa, and India. China was also in the lead for deploying solar quickly, and assisting other countries in similar projects.

As clean energy sources progress, in a few years clean energy sources could be the best (and possibly the only) option in terms of performance, environmental preservation, and cost. Recent developments that hold promise include the Crescent Dunes project which allows harnessing of solar power even at night. Such projects may just make solar power available even to areas where solar power is considered an unreliable source. Commercial off-shore wind farms such as the one recently opened in the US might also make clean energy a viable option.

Liebrich notes, however, that rocky times may be ahead. More “political earthquakes” are expected next year, just as it was predicted that 2016 would be “sunny, with a hint of Götterdämmerung.”

“We were not wrong. As it turned out, 2016 delivered more than just a hint of Götterdämmerung, it delivered the complete Wagnerian Ring Cycle, in political terms at least.”

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U.S. Sets Staggering Record with 191% Growth in Solar Power Installations in 2016

Solar Rising

Solar power has been making some impressive strides in 2016. The first three quarters of this year have already seen more new installations of solar panels than the entirety of 2015. A report by GreenTech Media shows that in the third quarter (Q3) of this year alone, enough solar panels to generate 4,143 MW of electricity were installed in the United States. Q3 of 2016 has seen a 191 percent rise in installations from the same quarter last year, making it the new record holder for new solar power installations in the country.

Increased affordability could be a major driving force in the sudden boom in new installations. Priced per watt, there was a $0.14 drop between the first and third quarters. This brought total prices of residential solar power below $3.00 per watt.

Anne Cusack/LA Times via Getty Images
Anne Cusack/LA Times via Getty Images

Coming for Coal

Along with solar power becoming more affordable in general, it is also approaching coal in terms of cost effectiveness. This trend is also helped along by government programs that award tax breaks for the adoption of renewable energy. A report from the US Energy Information Administration (EIA) shows the levelized cost of electricity (LCOE) of various means of generation.

According to the EIS, LCOE “represents the per-kilowatt hour cost (in real dollars) of building and operating a generating plant over an assumed financial life and duty cycle.” For new plants set to go online in 2022 the LCOE of coal power is predicted at $139.50/kWh compared to solar photovoltaic power’s $66.30/kWh.

Energy experts are predicting that coal is a fading industry that will never return to its former grandeur. We can expect to continue to see this kind of sharp growth in solar power along with other forms of clean energy generation. A new study from the National Renewable Energy Laboratory (NREL) suggests that 25 percent of the United States’ energy needs could be filled by rooftop solar installations alone. Immediate economic interests are finally aligning with long-term environmental concerns.

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The U.S. Could Generate 25% of Its Energy Needs From Solar Rooftops

Nature’s Power

Every day, that great big ball of nuclear reaction in the sky that we call the Sun graciously sends enough energy to Earth to fulfill all of our power needs ten times over. Sadly, we humans are not yet able to harness all this power as efficiently as other organisms on our planet.

While we have a long way to go before we can even begin to compete with photosynthesis, we are making progress. A new study by the National Renewable Energy Laboratory (NREL) suggests that 25 percent of the United States’ energy needs could be filled by rooftop solar installations alone.

Image source: NREL

Not every rooftop is ideal for solar paneling, and a combination of many factors determine how much electricity any given rooftop can generate. These factors include average sunlight of the area, as well as how much of that sunlight is allowed to reach the roof, uninhibited by pesky tall buildings, trees, or other shade-throwing structures.

Using this knowledge, the researchers at NREL studied a plethora of data to determine what percentage of rooftops would prove suitable for solar electricity generation. The study concluded that the U.S.’s suitable rooftops could collectively generate 1,118 gigawatts (GW) of power, enough to meet a quarter of our needs.

High Impact

Currently in the U.S., solar power accounts for much less than one percent of total energy consumed. A few other renewable sources such as wind, geothermal, and hydroelectricity account for only a sliver more of our total clean energy consumption. Despite progress in clean energy solutions, more than 81 percent of the energy needs of the country are still met by climate-damaging non-renewable sources.

Recently, there has been a push to promote solar energy usage, particularly as an alternative to coal. The technology necessary to harness solar power is becoming much cheaper, which is going to make shifting from these dangerous fossil fuels to clean energy alternatives not only smart in terms of the environment, but also our wallets.

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Light Harvesting “Quantum Photocells” Herald A New Age in Solar Energy

Quantum Physics Meets Photosynthesis

Science once again reaches a milestone in technology by modeling it after nature. Researchers have devised a new type of highly efficient photocell by studying photosynthesis in plants.

Nathan Gabor, assistant professor for physics and astronomy at the University of California, Riverside, led research spurred by a simple question as to why plants are green. This eventually led to a quest to mimic plants’ ability to efficiently harvest energy from the Sun regardless of how erratic the sunlight is.

Using his background in physics to solve the biological question, Gabor and his team devised a quantum heat engine photocell capable of regulating the conversion of energy, without the need for external control—it does so by itself, much like a plant does. Their study has been published in the journal Nano Letters.

Quantum heat engines (QHE) are mostly used in refrigerators and “are thermal machines where the working substance is a quantum object,” according to the American Physical Society. The team was able to apply the engine to modulate the energy flow to the cells.

In the process, the team discovered that absorbing green light did not yield any benefits in regulation of energy absorption, which could explain why green plants are so widely seen in nature.

Solar farm.
Solar farm. Photo credit: BrightSource/Flickr

Solar Cells Made Better

The main problem with current solar cells is that about 80 percent of the Sun’s energy is wasted. This is because solar cells have a limited capability to quickly adjust to fluctuations in sunlight—which happens within split seconds. The process required for existing solar cells to handle fluctuations in solar power involves a system of voltage converters and feedback controllers, making it difficult for them to keep up with energy fluctuations and resulting in wasted energy.

As the world makes the shift towards clean energy, a lot of research is being dedicated to finding the easiest, most efficient energy source with the least possible consequences to the environment. Sunlight is one of the most abundant sources there is and the ability to harvest it efficiently would drastically change how our energy needs are met.

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The Tesla Revolution [INFOGRAPHIC]


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India Just Unveiled the World’s Largest Solar Plant

Solar as far as the eye can see

Images of India’s Kamuthi Solar Power Project have just been unveiled, giving people across the globe a look at the planet’s largest solar plant. The facility is equipped with 2.5 million individual solar panels across more than 10.36 square kilometers (4 square miles) in Kamuthi in Tamil Nadu, and construction on it was completed in just 8 months.

The plant adds 648 megawatts to the country’s current energy capacity and is capable of powering 150,000 homes. It is a huge step forward in India’s plans to make solar power accessible to more of its citizens. By 2022, the country hopes to produce solar power for 60 million homes — a goal aligned with the government’s vision to generate 40 percent of India’s power from non-fossil fuel sources by 2030.

With this new plant and its continued dedication to sustainable energy, India is expected to become the world’s third-biggest solar market by next year, trailing after China and the United States.

The End of Fossil Fuels

India’s is one of many nationwide initiatives to minimize, if not completely eliminate, the use of fossil fuels.

Chile’s efforts to produce renewable energy have already led to the country creating far more energy than its northern grid needs, driving the country’s energy cost down to nothing. In the same vein, the UK has made a commitment to completely eliminate use of coal by 2025, and in the past six months, they’ve managed to produce more electricity from solar energy than through their traditional coal plants. Meanwhile, Spain is hoping to become a leading country for sustainable energy by setting a goal to generate 100 percent of its power from renewable sources — it’s already able to produce enough energy from wind to power 29 million homes on a daily basis.

These pioneering nations are demonstrating the promise and viability of green energy options. As those options become even more accessible and economically viable, we’re sure to see other countries follow their good example.

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