Solar & Clean Tech

solar PV, solar thermal, wind and clean and renewable technologies

Best Performing Solar Module?

October 25, 2011
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Best Performing Solar Module?

Perhaps nowhere is the build-a-better-mousetrap principle more alluring than in the solar power sector, where Silevo, a company that’s been plotting for four years, has now joined the fun, unveiling its strategy for making “the industry’s best performance-to-cost ratio” solar modules. Silevo believes the world will beat a path to its doorstep because of...

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Next Up: Solar Panels from Service Providers

October 19, 2011
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Next Up: Solar Panels from Service Providers

Security, home control and energy management service company Vivint believes that offering affordable solar panel systems—as in no money down—could pave the way to sell more energy management in homes. Vivint is offering solar electric systems—with no upfront fees—in New York, New Jersey, Utah and Hawaii. The company hopes to offer the service nationwide...

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Carbon the New Solar Tech?

October 18, 2011
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Carbon the New Solar Tech?

Carbon and solar energy are two of the most plentiful resources on Earth, and researchers at Northwestern University say they have found a way to use one to harvest the other. Existing methods for harvesting solar energy from photovoltaic cells involve an indium tin oxide-based conductor technology. This material is mechanically brittle, and dependent...

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Green Tech in a Sustainable Home: Retaining the Human Touch

October 17, 2011
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Green Tech in a Sustainable Home: Retaining the Human Touch

How do green and energy-efficient technologies fit into the whole concept of a sustainable home? Among the green tech and energy-efficient features being built into a contemporary home under construction in Hingham, Mass., are solar photovoltaic and solar thermal systems, electronic lighting control, passive solar heating, staggered stud construction, ZIP System structural wall panels...

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New Home Solar Kit In A Box From Westinghouse

October 11, 2011
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New Home Solar Kit In A Box From Westinghouse

Installation costs have been falling along with solar module costs, as we’ve reported, but Westinghouse believes there’s still plenty of room for a quick, easy and cheap-to-set-up home solar-power system in the market. That’s the business proposition with the company’s just-released Solar Power System, which the company describes as an “all-in-one rooftop solar kit” that...

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U.S. PV Market Poised To Be World’s Biggest

September 23, 2011
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U.S. PV Market Poised To Be World’s Biggest

The United States is poised to shove aside Germany, Italy and Japan as the largest market for photovoltaic (PV) installations, according to ABI Research. The firm’s Global Photovoltaic Cells and Moduel Markets study forecasts that in 2013, the United States will have more PV installation than any other country. According to the study, an estimated 900 megawatts (MW) of...

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A Better Rooftop Wind Turbine?

September 13, 2011
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A Better Rooftop Wind Turbine?

Sauer Energy, the latest entrant in the small wind-turbine market, will launch commercial production of its WindCharger vertical-axis wind turbine in November, and is on schedule to begin distribution in early 2012, the company said. The WindCharger prototype debuted in May, at the WindPower 2011 Conference and Exhibition. According to Sauer, the vertical-axis turbine is cheap to manufacture,...

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Solar Installs: Can You Scale?

July 27, 2011
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Solar Installs: Can You Scale?

Is it worth getting into the solar installation business? That may depend on whom you talk to. According to Joe Bono, CEO of Solar Universe, the market for residential solar installations can result in a very lucrative business if done right. Bono says that solar panel leasing programs, which provide solar panels to homeowners...

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VCs Investing More in Energy Efficiency Than Solar

July 7, 2011
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VCs Investing More in Energy Efficiency Than Solar

We always say, if you want to know what’s going to happen in an industry or sector, follow the money. Venture capitalists are pulling back on their investments in clean energy and putting more into energy efficiency technologies. Energy efficiency investments by VCs are now outpacing those in solar. Then again, we knew this...

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Homebuilders Promoting Energy Efficiency, Net-Zero Homes

June 1, 2011
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Homebuilders Promoting Energy Efficiency, Net-Zero Homes

Big production homebuilders are getting green. Some offer energy labels that show how energy-efficient a home is, while others are offering solar-powered and even net-zero homes that produce all their own energy.

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