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Fuel cell maker ClearEdge Power plans to launch a fuel cell line targeted at data-center operators later this year. The move is part of a larger trend of fuel cell makers eying data-center operators as a new market for distributed cleaner power. Read more »


The summer of 2011 has (arguably) produced a bubble around social media, with valuations for social media companies soaring. Will any of that social magic rub off on consumer-facing clean-power and energy-efficiency technologies, like electric cars, solar panels or home energy management systems? Read more »

Upcoming Events


With all the attention (not all of it good) that collaborative consumption companies like Airbnb have been getting lately, we’ve been mulling over some tips for entrepreneurs looking to either start one of these companies now, or hoping to make one of these companies succeed. Read more »

Sunil Paul, Spring Ventures, at Green:Net 2011

Calling all do-gooder developers looking for your next opportunity. Introducing the Cleanweb Hackathon, a developer contest and event, which will take place on the weekend of Sept. 10 and 11th in San Francisco. Read more »

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Solar materials

After investing in batteries, wireless tech, and electric car innovation, the venture arm of GM is now turning to solar car ports. On Thursday GM Ventures announced that it has invested $7.5 million into Sunlogics, a company that makes canopies covered in solar panels. Read more »


Only 72 percent of China’s wind-power sources are connected to its grid — meaning there’s a good deal of wind turbines that are spinning that aren’t providing usable clean power. Battery maker A123 Systems hopes its first deal in China can help with that problem. Read more »


GE continues to see a bright spot in LED technology. On the heels of its investment in LED cooling startup Nuventix, GE announced on Monday afternoon that its lighting division, GE Lighting, plans to buy Israeli LED power supply company Lightech. Read more »

Green:Net MiniNote: Jonathan Koomey on Green Cloud Computing

There have been a few recent analyses showing that cloud computing has significant efficiency and cost advantages. I can think of four reasons why cloud computing is (with few exceptions) significantly more energy efficient than using in-house data centers: Read more »


Aquion Energy, which is developing a low-cost battery for the power grid made from sodium and water, has closed $20 million of a planned $30 million round and has brought on investor Foundation Capital in addition to existing investor Kleiner Perkins Caufield & Byers. Read more »


For most people, the images below look like just another building on the UC Berkeley campus. But for tech firms, construction companies, architects and utilities that are interested in low energy building design, Building 90, and its accompanying structures, look like a little slice of heaven. Read more »


GPS can provide an important function for the emerging electric car industry: battling so-called range anxiety. On Monday, electric car charging company Coulomb Technologies announced that it has partnered with navigation company TomTom to offer charging locator, reservation and information services for plug-in car drivers. Read more »

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