Gov. Arnold Schwarzenegger appointed two East Bay residents to the board overseeing the agency that operates the state's electrical power grid. Elizabeth Lowe, 41, of Danville has served as vice president of Onsite Energy Corp. since 1997; earlier she was vice president of Western operations for DukeSolutions, Inc. Lowe is a member of the Power Association of Northern California, the International Association of Refrigerated Warehouses and the California League of Food Processors. She is registered to vote without a party affiliation. Mason Willrich, 71, of Piedmont was president and CEO of PG&E Enterprises before becoming an independent consultant advising clients...