GLASTONBURY, ENGLAND - NOVEMBER 10: The sun shines on Worthy Farm's new solar photovoltaic system on November 10, 2010 in Glastonbury, England. The system, installed on the roof of the cow shed at ... more 
GLASTONBURY, ENGLAND - NOVEMBER 10: The sun shines on Worthy Farm's new solar photovoltaic system on November 10, 2010 in Glastonbury, England. The system, installed on the roof of the cow shed at the Glastonbury Festival site, is the largest private electricity-generating system in the UK and generates enough electricity to meet the annual demand of 40 average households. (Photo by Matt Cardy/Getty Images) less 
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Getty Images | Photo By Matt Cardy / Getty Images
Thu, Nov 11, 2010 2:13 PM EST