Private company

San Diego Gas & Electric

Public utility that provides natural gas and electricity

San Diego Gas & Electric (SDG&E) is a regulated public utility that provides natural gas and electricity to San Diego County and southern Orange County in California. It is owned by Sempra, a Fortune 500 energy services holding company based in San Diego.² Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1881Founded¹

Industrypublic utility¹
HeadquartersSan Diego¹
Websitewww.sdge.com

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Corporate structure

San Diego Gas & Electric is part of a group headed by Sempra. 9 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Sempra San Diego, California, United States
- San Diego Gas & Electric San Diego
- Southern California Gas Company Los Angeles, California, United States
- ECA LIQUEFACTION S DE RL DE CV Subsidiary · Mexico City, Mexico
- Port Arthur LNG, LLC Subsidiary · Houston, Texas, United States
- SAN DIEGO GAS & ELECTRIC COMPANY Subsidiary · San Diego, California, United States
- SEMPRA INFRASTRUCTURE PARTNERS, LP Subsidiary · Houston, Texas, United States
- Sempra Texas Intermediate Holding Company LLC Subsidiary · Delaware, United States
- TERMOELECTRICA DE MEXICALI S DE RL DE CV Subsidiary · San Diego, California, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Sempra

From Wikidata.¹

Timeline

1881Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataSan Diego Gas & Electric on Wikidata
2
WikipediaSan Diego Gas & Electric on Wikipedia