EnerSmart Chula Vista Sub Station

EnerSmart Chula Vista Sub Station is a 6 MW battery storage project in San Diego County, California, operated by EnerSmart Chula Vista Sub Station. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2024.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
6 MW
6 MW net summer
Generating units
2
In service
2024
EIA plant ID
66505

Where it is

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County
San Diego County, California
Coordinates
32.5945, -117.0507
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
EnerSmart Chula Vista Sub Station
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant EnerSmart Chula Vista Sub Station reports to EIA →

EnerSmart Chula Vista Sub Station: FAQ

Where is EnerSmart Chula Vista Sub Station?
In San Diego County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is EnerSmart Chula Vista Sub Station?
6 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns EnerSmart Chula Vista Sub Station?
EIA-860M names EnerSmart Chula Vista Sub Station as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as EnerSmart Chula Vista Sub Station LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — EnerSmart Chula Vista Sub Station here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "EnerSmart Chula Vista Sub Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is EnerSmart Chula Vista Sub Station still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.