Articles With "alternative energy" Tag

SunPower Readies 24%-Efficient Solar Cell

San Jose-based SunPower Corp. has a great thing going on right now.  They’re constantly pushing the standard and recently announced the commercial production of the company’s third-generation Maxeon solar cell that delivers a sunlight to electricity conversion efficiency of up to 24%.

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Hybrid Solar Tube Panels by Naked Energy

A company called Solyndra pioneered the solar tube but this new invention by UK-based Naked Energy may just take cylindrical solar to a whole new level.  Called Virtu, the product includes an integrated photovoltaic cell in a vacuum tube to generate both electricity and warm water at the same time.  The setup keeps the PV cool to optimize energy production and maximizes space with a combined PVT solution.

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Electronic Skylight with LEDs by Solectric

Letting the sun’s rays reach your home’s interior rooms, or down to lower level, is a challenge on any project, and virtually impossible without cutting a large hole in your roof. But now, Solectric offers an electronic skylight that promises the next best thing — interior lighting that is powered by the sun and can be rendered at the same color temperature.

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Wittus Intros Efficient Wood Pellet Stove

Toba is an award-winning pellet stove designed in Italy by MCZ Group SpA in collaboration with EMO.  The simple, modern appliance can warm a space of about 1,800 square feet at more than 90% efficiency, according to Wittus, which announced plans in June 2011 to import Toba into the US.

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Small Wind Turbine Available at Lowe’s

As the small wind industry grows, it’s becoming easier to buy certain models of turbines online and from big-box retailers.  For example, Southwest Windpower offers the Skystream 3.7 through Home Depot and now offers the Whisper 100 through Lowe’s.  Whisper 100 can produce up to 100 kWh a month in moderate to high winds, according to Southwest Windpower.

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Solar Decathlon: Let The Games Begin!

Solar Decathlon 2011 all teams photo

Today, the Solar Decathlon officially opens to the public and the games begin.  The competition is organized by the Department of Energy, and 19 teams have invested more than two years of effort to design, build, and operate solar-powered homes that are cost-effective, energy-efficient, and attractive.  The winner will be the one with the highest score after the following ten contests:
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