Long Lake — Lincoln, WA — Operational Power Plant
EIA 860M DataOperational
Total Capacity
70 MW
Summer: 89.5 MW | Winter: 89.5 MW
Technology
Hydro
4 generators
First Unit Online
October 1, 1915
Long Lake is a hydro power plant in Lincoln County, WA with 4 generating units totaling 70 MW of nameplate capacity. It is operated by Avista Corp. Its first unit came online in 1915.
About this plant
Long Lake Dam is a concrete gravity dam on the Spokane River, between Lincoln County and Stevens County about 30 miles (48 km) northwest of Spokane in eastern Washington. It forms Long Lake (Washington), a 23.5 mi (37.8 km) long reservoir, and has a hydroelectric generating capacity of 71 megawatts. The dam was built by Washington Water Power, which operates five other dams along the Spokane.
Source: Wikipedia
Capacity rank
- #253 in the U.S. by capacity
- #29 in WA by capacity
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Monthly generation history
Source: EIA Form 923
Generators (4)
Operational
4 generators
4 operational generators totaling 70 MW · online 1915–1924
Plant Information
| Plant ID | 3867 |
| Plant Name | Long Lake |
| Operator | Avista Corp |
| Sector | Electric Utility |
| Balancing Authority | AVA |
| Power Market | |
| County | Lincoln |
| State | Washington (all interconnection requests in Washington) |
| Status | Operational |
| Generation Type(s) | Hydro |
| Total Nameplate Capacity (MW) | 70 |
| Total Summer Capacity (MW) | 89.5 |
| Total Winter Capacity (MW) | 89.5 |
| Generating Units | 4 |
| Operational Units | 4 |
| Planned Units | 0 |
U.S. county map showing Lincoln, WA
Data source: U.S. Energy Information Administration EIA Form 860M
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