Vanadium Redox Flow Battery Plant

Vanadium Redox Flow Battery Plant is a 2 MW battery storage project in San Diego County, California, operated by SDGE Batteries. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2017.

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
2 MW
2 MW net summer
Generating units
1
In service
2017
EIA plant ID
61107

Where it is

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County
San Diego County, California
Coordinates
32.6825, -116.9888
Balancing authority
CISO
Sector
Electric Utility

Units, technology and status

Operator of record
SDGE Batteries
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant SDGE Batteries reports to EIA →

Vanadium Redox Flow Battery Plant: FAQ

Where is Vanadium Redox Flow Battery Plant?
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 Vanadium Redox Flow Battery Plant?
2 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Vanadium Redox Flow Battery Plant?
EIA-860M names SDGE Batteries 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 Vanadium Redox Flow Battery Plant LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — SDGE Batteries 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 "Vanadium Redox Flow Battery Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Vanadium Redox Flow Battery Plant still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.