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Kleiner Perkins and Accel Partners fund OPower to build up its software system for offering home energy efficiency recommendations through utilities.
Your neighbors and lots of data crunching can help you cut home energy bills, says start-up, which is releasing software for smart-grid programs that nudge consumers toward efficiency.
Social networking meets energy efficiency in Facebook app done with Opower and the Natural Resources Defense Council that lets people compare energy use to friends and the national average.
Energy efficiency company Opower launches service to provide energy-saving tips online and through reports that compare one home's profile with its neighbors.
Opower's social energy app on Facebook lets people track electricity use, compare to national averages, and compete with friends to improve home efficiency.
Consumers who receive data on home-energy consumption reduce their usage incrementally, a study shows, but there is potential for a huge impact in the U.S. collectively.
The familiar manual Honeywell thermostat will get a 21st-century upgrade by connecting over the Internet to Opower's home energy-efficiency recommendation service.
A new estimate says Apple's newest iPhone costs only 41 cents a year to recharge if you do it once a day.
Smart grid company releases an application that seeks to improve consumer involvement in home energy with personalized energy plans and social networking.
Futurist and Kleiner Perkins green-tech venture capitalist Bill Joy says VCs need to focus on breakthrough energy technologies, such as cheap distributed solar, to succeed.