Martin Lake — Plant Summary
- EIA Plant ID
- 6146
- Capacity
- 2379.6 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal
- Status
- Operating
- Location
- Rusk, TX
- Operating Since
- 1977
- Generators
- 3
- Operator
- Luminant Generation Company LLC
- Parent Company
- Vistra
- Annual Generation
- 8,534,307 MWh
- Capacity Factor
- 40.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Martin Lake
OperatingSub. Coal
Ranked #2 of 9 Sub. Coal plants in TX#7 of 103 nationally
2379.6 MW Sub. Coal operating in Rusk, TX — Electric Reliability Council of Texas, Inc.
EIAWD
2,379.6 MW
Nameplate Capacity
3
Generators
units
Conventional Steam Coal
Technology
1977
Operating Since
Location
Coordinates
32.2606, -94.5706
County
Rusk, TX
Nearby Plants
- Knox LeeNatural Gas351 MW · 14.5 km
- Oak Hill - Dry CreekSolar200 MW · 16.5 km
- Harrison County Power ProjectNatural Gas570 MW · 19.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Luminant Generation Company LLC | Luminant Generation Company | — |
| Owner(s) | Luminant Generation Company LLC | Vistra | Luminant |
| Status | Operating | — | — |
Ownership Chain
About
Martin Lake Power Plant is a 2,250-megawatt coal power plant located southwest of Tatum, Texas, in Rusk County, Texas. The plant is owned by Luminant. It began operations in 1977. The plant is also served by the Luminant owned Martin Lake Line, shuttling coal from nearby as well as the Powder River Basin in Wyoming via BNSF.
Read more on WikipediaMartin Lake is a 2379.6 MW coal-fired power plant located in Rusk County, Texas. The plant began operating in 1977 and is owned by Vistra and operated by Luminant Generation Company LLC. It utilizes conventional steam coal technology with subbituminous coal (SUB) as its primary fuel source. The facility consists of three generators.
Martin Lake operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. In the most recent year of data, the plant generated 8,534,307 MWh, achieving a capacity factor of 40.9%. Martin Lake is ranked as the largest coal plant in Texas (1 of 8) and the fifth-largest in the United States (5 of 75).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
626.0K MWh
Latest Month
8.5M MWh
Annual Generation
40.9%
Capacity Factor
Dec 2022 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Martin Lake Substation · 345 kV
Substation Distance
0 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
MLSES_UNIT1
Pricing Hub
HB_NORTH
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Last updated 2026-03-26
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