Greg Bosscawen, manager of renewable energy for Pacific Gas and Electric Co., walks past solar panels at PG&amp;E's Vaca-Dixon solar energy site near Vacaville, Calif., Tuesday, April 12, 2011.
Greg Bosscawen, manager of renewable energy for Pacific Gas and Electric Co., walks past solar panels at PG&amp;E's Vaca-Dixon solar energy site near Vacaville, Calif., Tuesday, April 12, 2011.