Power plants operated by City of San Antonio (TX)
City of San Antonio (TX) operates 16 power plants in the 2025 EIA-860 data, with 9,580 MW of nameplate capacity, the 24th-largest fleet among the 5,826 operators on file. All of them are in Texas. Natural gas is 84% of the capacity; the largest site is J K Spruce. Its oldest working unit dates from 1966, at V H Braunig. Units added from 2020 to 2025 total 2,057 MW.
- Natural gas8,076 MW84%
- Coal1,488 MW16%
- Battery storage10 MW0.1%
- Solar6 MW0.1%
Capacity by decade it came online
CoalNatural gasSolarBattery storage
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| J K Spruce | Texas | Coal | 1,488 MW | 1992 |
| V H Braunig | Texas | Natural gas | 1,138 MW | 1966 |
| Rio Nogales Power Project | Texas | Natural gas | 1,108 MW | 2002 |
| Barney M Davis | Texas | Natural gas | 1,082 MW | 1974 |
| O W Sommers | Texas | Natural gas | 892 MW | 1972 |
| Nueces Bay | Texas | Natural gas | 730 MW | 1972 |
| Topaz Generating | Texas | Natural gas | 605 MW | 2021 |
| Arthur Von Rosenberg | Texas | Natural gas | 575 MW | 2000 |
| HO Clarke Generating | Texas | Natural gas | 484 MW | 2021 |
| Mark One Power Station | Texas | Natural gas | 484 MW | 2022 |
| Remy Jade Power Station | Texas | Natural gas | 484 MW | 2024 |
| Laredo | Texas | Natural gas | 264 MW | 2008 |
| Leon Creek | Texas | Natural gas | 230 MW | 2004 |
| Commerce ESS | Texas | Battery storage | 10 MW | 2019 |
| Commerce Solar | Texas | Solar | 5 MW | 2019 |
| CPS 1 Community Solar | Texas | Solar | 1 MW | 2016 |