Edison International — Power Plant Portfolio

42 plants · 3.1 GW total capacity

Edison International operates 42 power plants with 3.1 GW total capacity. Their fleet is primarily hydroelectric (27 plants).

Largest is Mountainview Generating Station (1037 MW Natural Gas); oldest active is Santa Ana 1 (1899); newest is Yorktown Battery Energy Storage Facility (2024); top state is California (42 plants).

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Key Stats

Largest fuel
Hydroelectric (27 plants)
Largest state
California (42 plants)
Subsidiary operators
Southern California Edison Co (42)

Plants by State

California (42 plants · 3.1 GW)

Plants by Fuel Type

Hydroelectric (27 plants · 1.2 GW)

Battery Storage (7 plants · 565 MW)

Natural Gas (6 plants · 1.3 GW)

Oil & Petroleum (1 plants · 13 MW)

Solar (1 plants · 5 MW)