MARTIN LAKE
OperatingCoal power plant
- Capacity
- 2,380 MW
- Primary fuel
- Coal
- County
- Rusk County
- Operator
- LUMINANT GENERATION COMPANY LLC
- Status
- Operating
- Commissioned
- 1977
- EIA plant ID
- 6146
- Generators
- 3
- Technology
- Conventional Steam Coal
- Net generation (2024)
- 9,741 GWh
- Capacity factor (2024, EIA nameplate)
- 47%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 32.2592, -94.5715
MARTIN LAKE, a 2,380 MW Coal power plant in Rusk County, Texas. Operated by LUMINANT GENERATION COMPANY LLC, commissioned 1977.
How MARTIN LAKE compares
With 2,380 MW of capacity, MARTIN LAKE ranks 4th among the 307 operating power plants Bywatts maps in Texas and 2nd of the 12 operating Coal plants in the state. It accounts for about 13% of Texas's operating Coal capacity and 2.3% of all operating capacity in the state. Nationally it is the 21st-largest of the 324 operating Coal plants in the database. Commissioned in 1977, it is older than 79% of the 303 operating Texas plants with a recorded commissioning year. Its operator, LUMINANT GENERATION COMPANY LLC, runs 9 operating plants in Texas totaling 9,469 MW. It shares Rusk County with one other operating plant, TENASKA GATEWAY GENERATING STATION.
EIA-860 lists 3 generators at the site with 2,380 MW of nameplate capacity, all conventional steam coal technology. Net generation was 9,741 GWh in 2024 (a 47% capacity factor), down 23% from 2022. Its generators came online between 1977 and 1979.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line, about 0.2 miles away. Another 5 operating power plants totaling 2,483 MW sit within 25 miles; the largest is TENASKA GATEWAY GENERATING STATION (940 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
MARTIN LAKE is a 2,380 MW coal power plant in Rusk County, TX, operated by LUMINANT GENERATION COMPANY LLC, commissioned in 1977. Rusk County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.6 of 5 at the 39th national percentile. Strong wind is the leading peril, rated Relatively High by FEMA at the 90th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Rusk County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Relatively High | 90th | 4.6 of 5 | 5.5 |
| Tornado | Relatively Moderate | 82nd | 4.3 of 5 | 0.77 |
| Winter weather | Relatively Moderate | 75th | 4.0 of 5 | 2.9 |
| Ice storm | Relatively Moderate | 74th | 3.9 of 5 | 0.87 |
| Lightning | Relatively Moderate | 71st | 3.8 of 5 | 62.1 |
| Heat wave | Relatively Moderate | 70th | 3.8 of 5 | 19.6 |
| Hurricane | Relatively Low | 66th | 3.7 of 5 | 0.06 |
| Wildfire | Relatively Low | 60th | 3.4 of 5 | <0.01 |
| Hail | Relatively Low | 42nd | 2.7 of 5 | 4.8 |
| Earthquake | Very Low | 33rd | 2.3 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 12th | 1.5 of 5 | 1.2 |
Perils not assessed in Rusk County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Rusk County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.