Fallbrook Energy Storage

Fallbrook Energy Storage is a 40 MW battery storage project in San Diego County, California, operated by San Diego Gas & Electric Co. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2023.

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
40 MW
40 MW net summer
Generating units
1
In service
2023
EIA plant ID
61365

Where it is

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County
San Diego County, California
Coordinates
33.3842, -117.2353
Balancing authority
CISO
Sector
Electric Utility

Units, technology and status

Operator of record
San Diego Gas & Electric Co
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant San Diego Gas & Electric Co reports to EIA →

Fallbrook Energy Storage: FAQ

Where is Fallbrook Energy Storage?
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 Fallbrook Energy Storage?
40 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Fallbrook Energy Storage?
EIA-860M names San Diego Gas & Electric Co 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 Fallbrook Energy Storage LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — San Diego Gas & Electric Co 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 "Fallbrook Energy Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Fallbrook Energy Storage still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.