Where is Regis Hidden Valley?

In Harris 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 Regis Hidden Valley?

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

Who owns Regis Hidden Valley?

EIA-860M names Regis Hidden Valley 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 Regis Hidden Valley LLC?

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

Is Regis Hidden Valley still running?

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

Regis Hidden Valley

Regis Hidden Valley is a 10 MW battery storage project in Harris County, Texas, operated by Regis Hidden Valley LLC. EIA-860M lists 1 generating unit here, inside ERCOT. Its unit entered service in 2026.

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: 9.9 MW; 9.9 MW net summer
Generating units: 1
In service: 2026
EIA plant ID: 69335

Where it is

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County: Harris County, Texas
Coordinates: 29.9096, -95.4236
Balancing authority: ERCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Regis Hidden Valley LLC
Primary energy source: Battery
Technologies: Batteries
Status: Operating

Every plant Regis Hidden Valley LLC reports to EIA →

Regis Hidden Valley: FAQ

Where is Regis Hidden Valley?: In Harris 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 Regis Hidden Valley?: 10 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Regis Hidden Valley?: EIA-860M names Regis Hidden Valley 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 Regis Hidden Valley LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Regis Hidden Valley 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 "Regis Hidden Valley LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Regis Hidden Valley still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.