Sempra Energy is a southern California-based energy services holding company involved in the sale, distribution, storage and transportation of electricity and natural gas. Formed in 1998, Sempra Energy also invests in, develops and operates energy infrastructure. Outside North America, the company boasts a strong and growing presence in Mexico, through a diverse portfolio of energy infrastructure projects and assets serving Mexico’s growing energy need. In the fourth quarter of 2023, the company realigned its reportable segments and now has three segments.

Sempra California: This segment consists of the company’s former segments- San Diego Gas & Electric (SDG&E) and Southern California Gas Company (SoCalGas). SDG&E is a regulated public utility that provides electric services to a population of approximately 3.6 million and natural gas services to approximately 3.3 million of that population, covering an estimated 4,100 square mile service territory in Southern California that encompasses San Diego County and an adjacent portion of Orange County, as of Dec 31, 2023. SoCalGas is a regulated public utility that owns and operates a natural gas distribution, transmission and storage system that delivered natural gas to a population of approximately 21 million, as of Dec 31, 2023, covering an approximate 24,000 square mile service territory that encompasses Southern California and portions of Central California (excluding San Diego County, the City of Long Beach and the desert area of San Bernardino County). The segment’s earnings amounted to $1,747 million for 2023.  

Sempra Texas Utility: It is comprised of Sempra Energy’s equity method investments in Oncor Holdings and Sharyland Holdings. The segment’s earnings amounted to $738 million for 2023.

Sempra Infrastructure: This segment includes the operating companies of Sempra Energy’s subsidiary, SI Partners, and a holding company and certain services companies. The segment reported earnings of $764 million for 2023.