Where is Cunningham Storage?

In Hunt 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 Cunningham Storage?

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

Who owns Cunningham Storage?

EIA-860M names Acciona Energy USA Global, 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 Cunningham Storage LLC?

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

Is Cunningham Storage still running?

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

Cunningham Storage

Cunningham Storage is a 190 MW battery storage project in Hunt County, Texas, operated by Acciona Energy USA Global, 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: 190 MW; 190 MW net summer
Generating units: 1
In service: 2023
EIA plant ID: 65410

Where it is

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County: Hunt County, Texas
Coordinates: 33.0043, -96.0759
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Acciona Energy USA Global, LLC
Primary energy source: Battery
Technologies: Batteries
Status: Operating

Every plant Acciona Energy USA Global, LLC reports to EIA →

Cunningham Storage: FAQ

Where is Cunningham Storage?: In Hunt 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 Cunningham Storage?: 190 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Cunningham Storage?: EIA-860M names Acciona Energy USA Global, 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 Cunningham Storage LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Acciona Energy USA Global, 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 "Cunningham Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Cunningham Storage still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.