- Dam: Grand Coulee Dam. Columbia River. River Mile 596.6
- Constructed: 1942; modified in 1974, 1982, and 1984
- Owner:
U.S.
Bureau of Reclamation
- Normal Full Pool: 1290.0 feet
- Normal Minimum Pool: 1208.0 feet
- Powerhouse Capacity:
- Nameplate capacity: 18 @ 125 MW, 3 @ 600 MW, 3 @ 805 MW, 6465 MW
total1
- Station service units: 3 @ 10 MW, 30 MW total
- Pump/Generator units: 2 @ 50.0 MW, 4 @ 53.5 314 MW total1
- Hydraulic capacity: 280 kcfs
- Spillway: 11 Drum Gates, 40 Outlet Tubes (2 gates each
outlet)
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