SDG&E is a regulated public utility that provides safe and reliable energy service to 3.4 million consumers through 1.4 million electric meters and more than 845,000 natural gas meters in San Diego and southern Orange counties. The utility's area spans 4,100 square miles. SDG&E is committed to creating ways to help its customers save energy and money every day. SDG&E is a subsidiary of Sempra Energy (NYSE: SRE ), a Fortune 500 energy services holding company based in San Diego.