Martin Lake
Martin Lake is a coal plant in Rusk County, Texas, operated by Luminant Generation Company LLC. By nameplate capacity it is the 45th-largest power plant in the United States and the fourth-largest in Texas. Its oldest working unit dates from 1977, the second-earliest start among Texas’s 12 coal plants.
Nameplate capacity, 2025
2,380 MW
2,455 MW net summer capacity
3 operable units
- Coal steam2,380 MW100%
Unit by unit, 1977 to 2025
operating in 2025bar height follows unit size
Unit 1 Coal steam, 793 MW, 1977
Unit 2 Coal steam, 793 MW, 1978
Unit 3 Coal steam, 793 MW, 1979
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 Peak2,430 MW
- 4Martin Lakethis plant
- 5Forney Energy Center1,894 MW
- 6Limestone1,850 MW
Other rankings
- US coal plants
- 15th of 195
- Coal plants in Texas
- 2nd of 12
- Plants in the ERCOT (Texas) balancing area
- 4th of 935
- Plants run by Luminant Generation Company LLC
- 2nd of 13
- Biggest single unit, among Texas’s plants
- 8th of 1,023
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Coal steam | 793 MW | 815 MW | 1977 | Operating |
| 2 | Coal steam | 793 MW | 820 MW | 1978 | Operating |
| 3 | Coal steam | 793 MW | 820 MW | 1979 | Operating |
Grid and site
- Balancing area
- ERCOT (Texas)
- Reliability region
- Texas Reliability Entity
- Highest grid connection voltage
- 345 kV
- Water source
- Martin Lake
- Nearest town on record
- Tatum
- Operator type
- Independent producer
- Coordinates
- 32.261°N, 94.571°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Knox Lee | Natural gas | 351 MW | 9.0 mi northwest |
| Harrison County Power Project | Natural gas | 570 MW | 12.2 mi northeast |
| Eastman Cogeneration Facility | Natural gas | 468 MW | 14.7 mi northwest |
| Tenaska Gateway Generating Station | Natural gas | 940 MW | 17.0 mi south |
| Snider Industries | Biomass and waste | 5 MW | 24.5 mi northeast |
| Stryker Creek | Natural gas | 713 MW | 33.1 mi southwest |
| Nacogdoches Power | Biomass and waste | 114 MW | 35.4 mi southwest |
| Wilkes | Natural gas | 882 MW | 40.6 mi north |