San Diego Gas & Electric Co — Operated Plants

18 plants · 933 MW total capacity

San Diego Gas & Electric Co operates 18 power plants with 933 MW total capacity. Primarily battery storage (14 plants, 215 MW). Parent organization: Sempra Energy.

Largest is Palomar Energy (559 MW Natural Gas); oldest active is Cuyamaca Peak Energy Plant (2002); newest is Santee BESS (2026).

Explore on map →

Subsidiary of Sempra Energy

Explore San Diego Gas & Electric Co plants on interactive map →

Key Stats

Largest fuel
Battery Storage (14 plants)
Largest state
California (18 plants)

Plants by State

California (18 plants · 933 MW)

Plants by Fuel Type

Battery Storage (14 plants · 215 MW)

Natural Gas (3 plants · 714 MW)

Solar (1 plants · 4 MW)