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Laramie River Station
Laramie River Station, located near Wheatland, Wyo., is a three-unit, 1,650-megawatt, coal-fired electric generating facility. Part of the Missouri Basin Power Project, LRS is owned by six participants including Tri-State, which owns a 24 percent capacity share of the plant.
Plant Statistics
Plant operator |
Basin Electric Power Cooperative, Bismark, N.D. |
Plant construction |
1976-1982 |
Total project cost |
$1.6 billion |
Total capacity |
1,650 megawatts
(three units at 550 megawatts)
Tri-State share - 398 megawatts |
Coal source |
Dry Fork Mine (primary) and other mines in the Powder River Basin near Gillette, Wyo. |
Plant site size |
650 acres |
Stack height |
604 feet (each) |
Water source |
Greyrocks Dam and Reservoir |
Environmental
controls |
Electrostatic precipitators remove 99 percent of fly ash and scrubbers remove 80 to 90 percent of sulfur dioxide from stack emissions |
Coal Supply
Laramie River Station receives its coal supply primarily from Dry Fork Mine, 191 miles west of the plant, by rail. Fifteen trains per month with 136 120-ton railcars deliver the coal.
Dry Fork Mine Statistics
Ownership |
Western Fuels-Wyoming and North Gillette Coal Company |
Mine site size |
7,000 acres; 4,160 acres of federal and Wyoming coal leases |
Annual yield |
4.75 million tons |
Daily production |
13,000 tons |
Estimated life span |
Through at least 2040
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