Dam: Rocky Reach Dam. Columbia River. River Mile 473.7 Construction began 1956 (Phase One) 1969 (Phase Two) Construction cost $273.1 million Creates: Lake Entiat Owner: Chelan County PUD No. 1 Turbines: 11 Spillway: 12 gates Installed capacity: 1299.6 MWNormal Full Pool: 707.0 feet Normal Low Pool: 703.0 feet Powerhouse Capacity: Nameplate capacity 1: 7 @ 117 MW, 4 @ 132 MW, 1347 MW total Peak capacity 1: 1287 MW total Hydraulic capacity: 220 kcfs A state-of-the-art juvenile fish bypass was built across the dam in 2003.
Dam: Rocky Reach Dam. Columbia River. River Mile 473.7 Construction began 1956 (Phase One) 1969 (Phase Two) Construction cost $273.1 million Creates: Lake Entiat Owner: Chelan County PUD No. 1 Turbines: 11 Spillway: 12 gates Installed capacity: 1299.6 MWNormal Full Pool: 707.0 feet Normal Low Pool: 703.0 feet Powerhouse Capacity: Nameplate capacity 1: 7 @ 117 MW, 4 @ 132 MW, 1347 MW total Peak capacity 1: 1287 MW total Hydraulic capacity: 220 kcfs A state-of-the-art juvenile fish bypass was built across the dam in 2003.
