Sempra Energy, together with its subsidiaries, engages in the development of energy infrastructure, operation of utilities, and provision of energy-related products and services worldwide. It operates through two divisions, Sempra Utilities and Sempra Global. The Sempra Utilities division includes San Diego Gas & Electric, a regulated public utility that provides electric generation, transmission, and distribution services to 3.5 million consumers, and natural gas distribution services to 3.2 million consumers; and Southern California Gas, a regulated public utility that provides natural gas distribution, transmission and storage services to a population of 20.7 million. The Sempra Global division comprises of Sempra Commodities, a commodities-marketing business operating under the joint venture, RBS Sempra Commodities, with The Royal Bank of Scotland; Sempra Generation, which develops, owns and operates, or holds interest in electric power plants serving wholesale electricity markets in North America; Sempra Pipelines & Storage that develops, owns, operates, or holds interests in natural gas pipelines and storage facilities in the United States and Mexico, as well as in companies that provide natural gas or electric services in Argentina, Chile, Mexico, and Peru; and Sempra LNG, which develops, owns, and operates receipt terminals for importing liquefied natural gas. Sempra Energy was founded in 1998 and is headquartered in San Diego, California.