Where is Tidwell Prairie Storage 1?

In Robertson 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 Tidwell Prairie Storage 1?

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

Who owns Tidwell Prairie Storage 1?

EIA-860M names Tidwell Prairie 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 Tidwell Prairie Storage 1 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Tidwell Prairie 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 "Tidwell Prairie Storage 1 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Tidwell Prairie Storage 1 still running?

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

Tidwell Prairie Storage 1

Tidwell Prairie Storage 1 is a 200 MW battery storage project in Robertson County, Texas, operated by Tidwell Prairie. EIA-860M lists 1 generating unit here, inside ERCOT. Its unit entered service in 2025.

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: 200 MW; 200 MW net summer
Generating units: 1
In service: 2025
EIA plant ID: 66337

Where it is

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County: Robertson County, Texas
Coordinates: 31.0983, -96.6637
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Tidwell Prairie
Primary energy source: Battery
Technologies: Batteries
Status: Operating

Every plant Tidwell Prairie reports to EIA →

Tidwell Prairie Storage 1: FAQ

Where is Tidwell Prairie Storage 1?: In Robertson 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 Tidwell Prairie Storage 1?: 200 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Tidwell Prairie Storage 1?: EIA-860M names Tidwell Prairie 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 Tidwell Prairie Storage 1 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Tidwell Prairie 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 "Tidwell Prairie Storage 1 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Tidwell Prairie Storage 1 still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.