Laramie River Station
Laramie River Station is a coal plant in Platte County, Wyoming, operated by Basin Electric Power Coop. It ranks second by nameplate capacity among Wyoming’s 71 power plants. It is the biggest of Wyoming’s 11 coal plants. Within the WAPA Rocky Mountain balancing area it is the largest of 166 plants. Its biggest unit, rated at 621 MW, is the largest single generator in Wyoming.
Nameplate capacity, 2025
1,863 MW
1,700 MW net summer capacity
3 operable units
- Coal steam1,863 MW100%
Unit by unit, 1981 to 2025
operating in 2025bar height follows unit size
Unit 1 Coal steam, 621 MW, 1981
Unit 2 Coal steam, 621 MW, 1981
Unit 3 Coal steam, 621 MW, 1982
Among Wyoming’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Jim Bridger2,326 MW
- 2Laramie River Stationthis plant
- 3Dave Johnston817 MW
- 4Naughton707 MW
Other rankings
- All US power plants
- 82nd of 14,286
- US coal plants
- 25th of 195
- Plants run by Basin Electric Power Coop
- 1st of 16
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 2 | Coal steam | 621 MW | 570 MW | 1981 | Operating |
| 1 | Coal steam | 621 MW | 560 MW | 1981 | Operating |
| 3 | Coal steam | 621 MW | 570 MW | 1982 | Operating |
Who owns it
Shares are weighted by the nameplate capacity of each unit an owner holds.
| Owner | Share of capacity |
|---|---|
| Basin Electric Power Coop | 42.1% |
| Tri-State G & T Assn, Inc | 27.0% |
| Missouri Basin Muni Power Agny | 16.7% |
| Lincoln Electric System | 12.9% |
| Wyoming Municipal Power Agency | 1.3% |
Grid and site
- Balancing area
- WAPA Rocky Mountain
- Reliability region
- Western Electricity Coordinating Council
- Highest grid connection voltage
- 345 kV
- Water source
- Grayrocks Dam Laramie River
- Nearest town on record
- Wheatland
- Operator type
- Utility
- Coordinates
- 42.109°N, 104.882°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Guernsey | Hydroelectric | 6.4 MW | 14.0 mi northeast |
| Glendo | Hydroelectric | 38 MW | 25.0 mi north |
| Boswell Wind | Wind | 330 MW | 52.3 mi west |
| McFadden Ridge | Wind | 35.2 MW | 62.9 mi southwest |
| Cedar Springs II | Wind | 200 MW | 64.3 mi north |
| Western Meadowlark Solar SCS NE 1, LLC | Solar | 4.4 MW | 65.1 mi east |
| High Plains | Wind | 122 MW | 65.3 mi southwest |
| Dunlap | Wind | 130 MW | 65.7 mi west |