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.

Policy issues plague hydropower as wind power backup

Theoretically, hydropower can step in when wind turbines go still, but barriers to this non-polluting resource serving as a backup are largely policy- and regulation-based, according to Penn State researchers.

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.

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