Sempra Energy is a energy services holding company involved in the sale, distribution, storage and transportation of electricity and natural gas. It has 2 operating groups: Sempra Utilities and Sempra Infrastructure. The Sempra Utilities group includes the company's utility operations: Southern California Gas Co., San Diego Gas & Electric and Sempra South American Utilities. The Sempra Infrastructure group includes the company's energy infrastructure development activities, investments and operations: Sempra Mexico, Sempra LNG & Midstream and Sempra Renewable. San Diego Gas & Electric is a regulated public utility that owns and operates a natural gas distribution, transmission and storage system that supplies natural gas to major part of Southern California and portions of central California. Southern California Gas Company is a regulated public utility that owns and operates a natural gas distribution, transmission and storage system that supplies natural gas to major part of Southern California.