9Feb

Solar tower will power Las Vegas at night

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Solar tower will power Las Vegas at night

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SolarReserve has completed the central point of a solar project that uses molten salt storage to deliver power to the grid well after the sun has gone down.

The startup company today said it has completed the 540-foot tower of the Crescent Dunes Solar Energy Project near Tonopah, Nev., which is expected to start delivering 110 megawatts by the end of 2013. When it comes online, it’s projected to have 10 hours of storage, the longest full-load storage capacity for a solar plant.

Adding storage turns solar into a continuous power source and allows project developers to earn more money for their electricity. As a result, solar projects that use heat to make electricity have added molten salt storage to their facilities.

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26Jan

Warren Buffett and the true value of solar

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Warren Buffett and the true value of solar

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The premise of value investing is to buy securities whose shares appear underpriced by some form of analysis. Warren Buffett is the strategy’s greatest adherent and also its greatest success story.

In the past six weeks, Buffett’s MidAmerican Energy Holdings Company has been on a renewable-energy investment spree, buying up the $2 billion Topaz Solar Farm, in Southern California; a 49 percent interest in the $1.8 billion Agua Caliente solar project, in Arizona; and, last week, another wind project acquisition in Illinois, which brings the company’s wind power portfolio to $6 billion.

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25Jan

Military bases in Mojave desert could generate 7GW of renewable solar power

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Military bases in Mojave desert could generate 7GW of renewable solar powercould

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According to a study conducted by ICF, a consulting firm for the US Department of Defense, surplus land at four military bases in the Mojave desert in California could be capable of producing up to 7 Gigawatts of solar power. These bases include, the Edwards Air Force base, Fort Erwin, China Lake and Twenty-nine Palms. Some 37,873 acres of land is available for setting these solar power plants, without impacting the space needs of the military for its ongoing operational needs or for potential future needs. The type of solar power plant to be installed, whether silicon flat panels or solar concentrators, has not yet been determined. If the go-ahead happens, power plant construction could commence by 2015.

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12Jan

China Launches the World’s Largest Battery – a $500 Million Behemoth the Size of a Building

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China Launches the World’s Largest Battery – a $500 Million Behemoth the Size of a Building

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China just took a massive step forward for renewable energy as it flipped the switch on the world’s largest battery, which will help integrate a solar project and a wind farm into a smart grid. Capable of storing 36 megawatt hours of power and taking up the area of a football field, the giant battery bank was built as a joint venture between solar and electric car company BYD and the State Grid Corporation of China to improve a large wind and solar electric installation’s efficiency by 5-10%. It looks like we have a race to see who will have the largest battery in world as utilities struggle to make solar and wind technologies usable for longer periods of time.

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11Jan

Germany Installs More Solar Panels in December 2011 Than US Did All Year

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Germany Installs More Solar Panels in December 2011 Than US Did All Year

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Some more astonishing stats on the progress Germany is making on solar power thanks to good, steady and predictable renewable energy policy: Greentech Media shares the astonishing fact that in the month of December alone Germany installed 2 GW of solar PV. For the whole of 2011, Germany installed 7 GW.

The US managed to install 1.7 GW in the same time period—which isn’t to knock US installation rates so much as to further highlight the massive Germany push to install more PV before the feed-in tariff for it drop as planned.

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11Jan

The World’s 6 Coolest Solar Powered Projects

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The World’s 6 Coolest Solar Powered Projects

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Solar power is arguably the cleanest and most abundant renewable energy source available to us. It is therefore no surprise that all around the world, architects and designers are incorporating solar technology into new buildings and projects to make them as green as possible. We scoured the globe for some of the coolest solar projects constructed or in the works — from the largest solar-powered office building in the world to Enviromission’s solar towers to the PVs that top off the Vatican. Hit the jump for our 6 favorite projects!
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10Jan

Is Google looking to revive the ailing planet with investments in clean energy?

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Is Google looking to revive the ailing planet with investments in clean energy

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Renewable resources and non renewable resources are at two ends of a tug-of-war battle. While the latter is presently being used to an exhaustive extent, the former is still trying to find a prominent place in the list of energy sources. Conventional sources like coal have been used for a number of decades to power industries and homes. Its abundance and cheap cost is what propelled many to turn to it in the first place. The Industrial Revolution of the 18th and 19th centuries saw huge amounts of coal being used to drive countries like Britain to the forefront of progress. Earlier, this natural resource was used in small quantities and coal could be mined from close to the surface of the earth. However, as demands increased, there was a need to drill ever deeper.

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6Jan

Five creative sculptures designed to run on solar energy

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Five creative sculptures designed to run on solar energy

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With the ever-increasing environmental awareness, design houses and architects from around the globe are looking for new and innovative ways to give an eco friendly touch to their creations. Every other day, we get to see and hear of amazing examples of solar energy being integrated into residential, commercial and industrial applications. The efforts are on to exploit the solar power in every possible way for the benefit of Mother Nature and the human race. Some designers have even come up with creative sculptures that are designed to run on solar energy. Check out some of the best solar powered sculptures after the jump.

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5Jan

China’s Solar PV Players Ramp Up Overseas Investments

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China’s Solar PV Players Ramp Up Overseas Investments

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Chinese solar photovoltaic (PV) companies aren’t waiting around for the US International Trade Commission (ITC) and Commerce Dept. to decide whether or not China has been improperly subsidizing the industry and engaging in predatory pricing in the US market – they’ve begun shifting investment overseas.

Flexible thin-film solar PV manufacturer Ascent Solar Technologies announced yesterday that China’s TFG Radiant Group is acquiring an additional 21% equity stake in the company by purchasing shares owned by Norsk Hydro Produksjon AS for $4 million. The purchase price, at about $0.50 per share, is a 19% premium to Nasdaq-listed Ascent’s $0.42 closing share price on Tuesday, and will bring TFG’s overall equity in Ascent to 41%.

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5Jan

India Plans Increasing Solar Power Capacity During The Next Few Years

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India seems to aim higher and think bigger in terms of its solar energy: from a set goal of 20 GW, the National Solar Mission grew its prospects to 33.4 GW all around the country, according to a report by Bridge to India.

The first step is to have 14.15 GW by 2018. By then, solar energy will have its own respected place on the national grid and more progress will have been made regarding the emissions level.

This will be possible due to the increased production of PV cells and the possibility of cheap imports from China. The final cost is estimated at around 40% less than what it is now.

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