World’s largest solar farm exceeds renewable energy expectations in Spain

World's largest solar tower outside of Sevilla, Spain. (Image courtesy of Abengoa Solar, which I then borrowed from the TreeHugger website.)

World's largest solar tower outside of Sevilla, Spain. (Image courtesy of Abengoa Solar, which I then borrowed from the TreeHugger website.)

Spain has debuted the largest solar tower in the world that now supplies 10,000 homes with renewable energy! The impressive farm of mirrored solar panels, called heliostats, all point at a 532-foot tall tower which collects the solar radiation and creates steam that then runs through a turbine to generate the clean electricity. Each heliostat is 1,291 square feet and there are 1,255 of them. Abengoa Solar, the creators of PS20 and its little sister PS10, estimates that the two solar farms will prevent the ejection of 12,000 tons of CO2 into the atmosphere. Click here to read the article and readers’ comments on land usage and weighing the costs of using land for solar versus corn or coal or nuclear. Some readers did a great job crunching numbers!

Even around Atlanta, the “City of Trees,” I’ve seen more solar panels popping up on people’s houses. If developers continue to insist on clear-cutting for new subdivisions, maybe they’ll at least consider implementing a renewable energy source since these neighborhoods are all bright sunshine with no trees. And how about more green roofs on new construction housing, too??

Thanks to my brother Byron for passing along this article he found on www.TreeHugger.com!

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