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United States › Power plants › Battery storage › California

BATTERY STORAGE

El Cajon Energy Storage

El Cajon Energy Storage is a 7.5 MW operating battery storage site in San Diego County, California, operated by San Diego Gas & Electric Co. Its batteries store up to 30 MWh.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingFeb 2017 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
SESBatteries7.5 MW
30 MWh
OperatingFeb 2017

Plant details

Operator
San Diego Gas & Electric Co
Location
San Diego County, California
Balancing authority
CISO
Sector
Electric Utility
Capacity
Operating: 7.5 MW
First unit online
Feb 2017
EIA plant ID
60569

Location

32.8115, -117.0505

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem