US renewable capacity to double by 2012: DOE

Investments made as a result of the American Recovery and Reinvestment Act, passed in February 2009, have spurred energy innovation and boosted the development of renewable energy sources, according to a report released this week by the US Department of Energy (DOE). More costly sources, such as solar power, will also become less expensive as a result.

According to the report, the US will double domestic renewable energy generation by 2012 from the 28.8 gigawatts (GW) of solar, wind, and geotherm