Clouds gather in rooftop solar's biggest U.S. market

By Nichola Groom SAN DIEGO (Reuters) - For years, the quiet, winding streets of the Scripps Ranch neighborhood have been pure gold for solar installers. Thanks to its high power prices, hot summers and large homes to cool, a greater share of Scripps Ranch residents have embraced solar power than anywhere else in California, itself the nation's solar energy leader. The rooftops of some 2,000 homes - 26 percent - are fitted with panels in Scripps Ranch, according to an analysis of state and utilit