Solar without the Panels
Utilities are using the sun's heat to boil water for steam turbines.
This month, in the latest in a string of recent deals, Spanish solar-plant developer Abengoa Solar and Phoenix-based utility Arizona Public Service announced a 280-megawatt solar thermal project in Arizona. By contrast, the world's largest installations of photovoltaics generate only 20 megawatts of power. Full Story »
Posted by Beth Wellington
