Sempra Energy — Power Plant Portfolio

19 plants · 935 MW total capacity

Sempra Energy operates 19 power plants with 935 MW total capacity. Their fleet is primarily battery storage (15 plants).

Largest is Palomar Energy (559 MW Natural Gas); oldest active is Cuyamaca Peak Energy Plant (2002); newest is Santee BESS (2026); top state is California (19 plants).

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Key Stats

Largest fuel
Battery Storage (15 plants)
Largest state
California (19 plants)
Subsidiary operators
San Diego Gas & Electric Co (18)SDGE Batteries (1)

Plants by State

Plants by Fuel Type

Solar (1 plants · 4 MW)