Comanche Peak
Comanche Peak is a nuclear plant in Somervell County, Texas, operated by Luminant Generation Company LLC. By nameplate capacity it is the 39th-largest power plant in the United States and the third-largest in Texas. Its biggest unit, rated at 1,215 MW, is the second-largest single generator in Texas. Within the ERCOT (Texas) balancing area it is the third-largest of 935 plants.
Nameplate capacity, 2025
2,430 MW
2,400 MW net summer capacity
2 operable units
- Nuclear2,430 MW100%
Unit by unit, 1990 to 2025
operating in 2025bar height follows unit size
Unit 1 Nuclear, 1,215 MW, 1990
Unit 2 Nuclear, 1,215 MW, 1993
Among Texas’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1W A Parish4,008 MW
- 2South Texas Project2,709 MW
- 3Comanche Peakthis plant
- 4Martin Lake2,380 MW
- 5Forney Energy Center1,894 MW
Other rankings
- US nuclear plants
- 14th of 56
- Nuclear plants in Texas
- 2nd of 2
- Plants run by Luminant Generation Company LLC
- 1st of 13
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Nuclear | 1,215 MW | 1,205 MW | 1990 | Operating |
| 2 | Nuclear | 1,215 MW | 1,195 MW | 1993 | Operating |
Who owns it
Shares are weighted by the nameplate capacity of each unit an owner holds.
| Owner | Share of capacity |
|---|---|
| Comanche Peak Power Co, LLC | 100.0% |
Grid and site
- Balancing area
- ERCOT (Texas)
- Reliability region
- Texas Reliability Entity
- Highest grid connection voltage
- 345 kV
- Water source
- Squaw Creek
- Nearest town on record
- Glen Rose
- Operator type
- Independent producer
- Coordinates
- 32.298°N, 97.785°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Wolf Hollow I LP | Natural gas | 788 MW | 4.0 mi northeast |
| Wolf Hollow II | Natural gas | 1,231 MW | 4.0 mi northeast |
| DeCordova Steam Electric Station | Natural gas | 627 MW | 8.8 mi northeast |
| Walnut Springs Solar | Solar | 5 MW | 15.2 mi south |
| Johnson County | Natural gas | 283 MW | 23.1 mi east |
| TPE Erath Solar, LLC | Solar | 9.9 MW | 24.8 mi west |
| Yellow Jacket | Solar | 5 MW | 26.3 mi south |
| TPE Whitney Solar, LLC | Solar | 9.9 MW | 30.7 mi southeast |