Energy & Utilities
Sempra is one of the largest energy infrastructure holding companies in North America, delivering electricity and natural gas to roughly 40 million consumers. Operating as a parent corporation, they manage a massive portfolio of regulated utilities and energy networks across California, Texas, and cross-border regions. Headquartered in San Diego, California, Sempra was formed in 1998 through the merger of Pacific Enterprises and Enova Corporation. The company operates three dominant platforms: Sempra California (comprising San Diego Gas & Electric (SDG&E) and Southern California Gas Co. (SoCalGas), Sempra Texas (anchored by its majority stake in Oncor Electric Delivery), and Sempra Infrastructure (focusing on clean power, next-generation networks, and LNG export development).
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1-619-696-2000
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@Sempra
Often fastest response
If you are calling regarding a standard utility service transfer, a residential power outage, or an unexplained billing spike, do not waste time calling the Sempra corporate parent line. Corporate staff cannot directly pull up individual residential energy accounts. Instead, bypass the primary phone lines entirely by utilizing the automated web portals or mobile apps hosted by SDG&E or SoCalGas. If you must speak with a live human over a disputed charge and face an unhelpful queue, request a direct transfer to the Utility's Ombudsman Office. Under California CPUC regulations, utility ombudsmen are legally authorized to hold billing enforcement actions while formally reviewing your dispute.
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