Sempra Energy was incorporated in in 1998 by a merger of parent companies of two long-established, and respected, investor-owned utilities with rich histories dating back more than a century. It is an energy services holding company, whose operating units develop energy infrastructure, operate utilities and provide related services. The Company's operations are divided between its California Utilities, which are San Diego Gas & Electric Company and Southern California Gas Company, and Sempra International and Sempra U.S. Gas & Power. SDG&E and SoCalGas are separate, reportable segments. Sempra U.S. Gas & Power also includes two reportable segments - Sempra Renewables and Sempra Natural Gas. Sempra International includes two reportable segments - Sempra South American Utilities and Sempra Mexico. SDG&E's electric energy is purchased from others or generated from its own electric generation facilities. SDG&E's electric generation facilities include Palomar Energy Center, Miramar Energy Center, Desert Star Energy Center and Cuyamaca Peak Energy Plant. Its SoCalGas is a natural gas distribution utility. It owns and operates a natural gas distribution, transmission and storage system. Its service territory extends from San Luis Obispo, California in the north to the Mexican border in the south, excluding San Diego County, the city of Long Beach and the desert area of San Bernardino County. SoCalGas provides natural gas service to residential, commercial, industrial, utility electric generation and wholesale customers. The Company's Sempra South American Utilities operates electric transmission and distribution utilities in Chile and Peru.