Where is Wolf Tank Storage?

In Webb County, Texas (TX). 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 Wolf Tank Storage?

150 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Wolf Tank Storage?

EIA-860M names Wolf Tank Storage LLC 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 Wolf Tank Storage LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Wolf Tank Storage LLC 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 "Wolf Tank Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Wolf Tank Storage still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Wolf Tank Storage

Wolf Tank Storage is a 150 MW battery storage project in Webb County, Texas, operated by Wolf Tank Storage LLC. EIA-860M lists 1 generating unit here, inside ERCOT. 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: 150 MW; 150 MW net summer
Generating units: 1
In service: 2023
EIA plant ID: 66616

Where it is

Loading map…

County: Webb County, Texas
Coordinates: 27.5772, -99.276
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Wolf Tank Storage LLC
Primary energy source: Battery
Technologies: Batteries
Status: Operating

Every plant Wolf Tank Storage LLC reports to EIA →

Wolf Tank Storage: FAQ

Where is Wolf Tank Storage?: In Webb County, Texas (TX). 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 Wolf Tank Storage?: 150 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Wolf Tank Storage?: EIA-860M names Wolf Tank Storage LLC 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 Wolf Tank Storage LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Wolf Tank Storage LLC 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 "Wolf Tank Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Wolf Tank Storage still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.