St Gall Energy Storage II

Pecos, Texas

Capacity: 100 MW
Status: Operating
Fuel: Battery storage
Technology: Batteries
Operator: St Gall Energy Storage II LLC
City: Pecos
County: Pecos County
State: Texas
Operational date: September 2025
Balancing authority: ERCO

St Gall Energy Storage II is a 100 MW battery storage power plant in Pecos, Texas. Operated by St Gall Energy Storage II LLC, it has been operating since 2025. The facility is located in Pecos County, within the ERCO balancing authority.

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Source: U.S. Energy Information Administration (EIA-860M)