Two-thirds of the world's new solar panels were installed in Europe in 2011
Europe accounted for two thirds of the world-wide newly installed photovoltaic (PV) capacity in 2011, with 18.5 GW. Its overall PV capacity totalled 52 GW. The yearly electricity produced by PV could power a country with ...
Solar and wind energy may stabilise the power grid
(Phys.org)—Renewable energies such as wind, sun and biogas are set to become increasingly important in generating electricity. If increasing numbers of wind turbines and photovoltaic systems feed electrical ...
Microgrids: So much more than backup energy
(Phys.org)—Most Americans don't have to think much about energy reliability. We plug in a computer and it powers up; we flip a switch and the lights come on.
Self-charging battery both generates and stores energy
How affordable is alternative energy?
Alternative energy sources that are cost-competitive with fossil fuels may be closer than most people realize. Recent renewable energy research has shown that solar, hydropower, wind and other alternative sources are closing ...
Renewable energy costs falling: agency
Power from renewable energy sources is getting cheaper every year, according to a study released Wednesday, challenging long-standing myths that clean energy technology is too expensive to adopt.
Toward the EU energy mix: State of the art of the strategic energy technologies
A new edition of the Strategic Energy Technologies review has been published. This "2011 Technology Map", produced by the European Commission's in-house science service, the Joint Research Centre (JRC), provides a European ...
Smart grids could outsmart criminals
Your smart phone uses broadband to connect you to the world. But when charging it, you're relying on an electrical system that was designed and built in the era of the rotary phone.
Americans using more fossil fuels
American energy use went back up in 2010 compared to 2009, when consumption was at a 12-year low. The United States used more fossil fuels in 2010 than in 2009, while renewable electricity remained approximately ...
Does converting cow manure to electricity pay off?
Studies have estimated that converting manure from the 95 million animal units in the United States would produce renewable energy equal to 8 billion gallons of gasoline, or 1% of the total energy consumption in the nation. ...
European wind power output tipped to treble by 2020: report
Energy producers expect European wind power generation to triple by 2020, with tens of thousands of new, ever-bigger wind turbines springing up, an industry body said Tuesday.
Japanese PM pledges 10 mn solar-powered homes
Japan will have ten million solar-powered homes, Prime Minister Naoto Kan pledged Wednesday, as the country makes a major push in coming years towards renewable energy following its nuclear crisis. ...
Germany to cut solar subsidies to households
Germany plans to slash subsidies paid to households generating electricity with their own solar panels by up to 15 percent, and six months earlier than planned, the government said Thursday.
China a surprise leader in clean energy: study
The world's top polluter, China, is a surprise leader in clean energy efforts, a study showed Tuesday, outstripping the United States and Japan and leaving Australia lagging far behind.