Sempra Energy, through its subsidiaries, operates as an energy services company. The company's San Diego Gas & Electric Company segment is involved in the generation, transmission, and distribution electricity; and sale, distribution, and transportation of natural gas in California. As of December 31, 2012, this segment owned and operated 5 natural gas-fired power plants; 2,063 miles of electric transmission lines and 22,940 miles of electric distribution lines; and natural gas facilities consisted of 168 miles of transmission pipelines, 8,524 miles of distribution pipelines, and 6,402 miles of service pipelines. Its Southern California Gas Company segment offers natural gas storage, transmission, and distribution services. This segment's natural gas facilities included 2,964 miles of transmission and storage pipelines, 49,874 miles of distribution pipelines, and 47,413 miles of service pipelines. The company's Sempra South American Utilities segment operates electric transmission and distribution utilities in Chile and Peru. Its Sempra Mexico segment owns and operates distribution and transmission natural gas pipelines, and a propane system; a natural gas-fired power plant; and a terminal for the import and export of liquefied natural gas (LNG) and natural gas. The company's Sempra Renewables segment develops, owns, and operates, as well as holds interests in wind and solar energy projects in Arizona, California, Colorado, Hawaii, Indiana, Kansas, Nevada, and Pennsylvania to serve wholesale electricity markets in the United States. Its Sempra Natural Gas segment develops, owns, and operates, as well as holds interests in natural gas generation facilities, natural gas pipelines and storage facilities, natural gas distribution utilities, and terminal that import and export of LNG, as well as sale of natural gas in the United States. The company was founded in 1998 and is headquartered in San Diego, California.