New World Record Set For Solar Efficiency: 31.25%

On a perfect New Mexico winter day — with the sky almost 10 percent brighter than usual — Sandia National Laboratories and Stirling Energy Systems (SES) set a new solar-to-grid system conversion efficiency record by achieving a 31.25 percent net efficiency rate. The old 1984 record of 29.4 percent was toppled Jan. 31 on SES’s […]

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Infinia’s Modular Solar Dish Gets Funding

Infinia is a company with a modular product: a mirrored solar dish that looks like a home satellite receiver, and produces 3.5 kilowatts of energy. Infinia announced Monday that it had received $50 million in investment. The dish focuses the sun’s rays on to a Stirling engine (a 17th century invention), this heats a gas […]

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Windspire: Propeller-Free Household Turbine Gets Approval

We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire […]

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Largest Modular Green Roof Installed: 2.3 Acres

The largest modular green roo, has been installed on top of the new “Court at Upper Providence” shopping center in Pennsylvania. The 2.3 acres green roof was constructed with GreenGrid modules. These modules are made with recycled plastic, and they contain small but hardly plants like sedums.

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New Record: World’s Largest Wind Turbine (7+ Megawatts)

The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most […]

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