St Gall Energy Storage II

St Gall Energy Storage II is a 100 MW battery storage project in Pecos County, Texas, operated by St Gall Energy Storage II LLC. 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
100 MW
100 MW net summer
Generating units
1
In service
2025
EIA plant ID
68423

Where it is

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County
Pecos County, Texas
Coordinates
30.9244, -102.9531
Balancing authority
ERCO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
St Gall Energy Storage II LLC
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant St Gall Energy Storage II LLC reports to EIA →

St Gall Energy Storage II: FAQ

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