Our Companies

Learn more about the companies.

San Diego Gas & Electric Southern California Gas Co. Sempra U.S. Gas & Power Sempra International

Sempra Energy’s California utilities, San Diego Gas & Electric Co. and Southern California Gas Co., serve more than 20 million consumers. And its other businesses – Sempra U.S. Gas & Power and Sempra International – develop and operate critical energy infrastructure and provide gas and electricity services in North America and South America.