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United States › Power plants › Battery storage › California

BATTERY STORAGE

EnerSmart Mesa Heights Sub Station

EnerSmart Mesa Heights Sub Station is a 3.0 MW under construction battery storage site in San Diego County, California, operated by EnerSmart Storage.

Plant statusUnder construction
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingTarget Nov 2026 (not yet reached)
  5. Closed (not yet reached)

Planned start of operation reported to EIA: Nov 2026.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
MH162Batteries3.0 MW Under construction (up to 50%)Target Nov 2026

Plant details

Operator
EnerSmart Storage
Location
San Diego County, California
Balancing authority
CISO
Sector
IPP Non-CHP
Capacity
Under construction: 3.0 MW
EIA plant ID
66552

Location

32.8241, -117.1513

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