Sempra is a holding company whose principal businesses are regulated electric and natural gas utilities in California and Texas. Its Sempra California segment includes SDG&E, which provides electric service to approximately 3.6 million customers and natural gas service to approximately 3.3 million customers across a roughly 4,100-square-mile territory in Southern California, and SoCalGas. Its Sempra Texas Utilities segment comprises an 80.25% interest in Oncor and a 50% interest in Sharyland Utilities. Sempra Infrastructure holds LNG, energy network, and low-carbon assets in the U.S. and Mexico.
Formed in 1998 through a combination of Enova Corporation and Pacific Enterprises, Sempra operates across more than 100 geographic markets through its subsidiaries. Its strategy centers on the largest U.S. economies — California and Texas — targeting stable, regulated cash flows and earnings visibility. SDG&E's electric infrastructure includes 2,018 miles of transmission lines, 24,210 miles of distribution lines, and 158 substations, with 3,900 MW of combined import capability.
Entity Wide Disclosure On Geographic Areas United States 89% · Entity Wide Disclosure On Geographic Areas Mexico 11%
geographic · FY2025 (ended Dec 2025) · share of tagged segment revenue (10-K XBRL, as filed)
