Sempra Energy

massive natural gas leak in southern California

energy crisis in 2000–01 in California

Sempra is a North American public utility holding company based in San Diego, California. The company is one of the largest utility holding companies in the United States with nearly 40 million consumers. Sempra's focus is on electric and natural gas infrastructure and its operating companies include: Southern California Gas Company (SoCalGas) and San Diego Gas & Electric (SDGE) in Southern California; Oncor Electric Delivery Company in Texas; and Sempra Infrastructure, with offices in California and Texas.