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Power Plants
Washington
ROCK ISLAND
ROCK ISLAND
Operating
Hydro power plant in Washington
Capacity
629 MW
Primary fuel
Hydro
Operator
PUD NO 1 OF CHELAN COUNTY
Status
Operating
Commissioned
1931
EIA plant ID
6200
Coordinates
47.3409, -120.0944
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Nearby
ICE HARBOR
WELLS
ROSS
LOWER MONUMENTAL
LITTLE GOOSE
LOWER GRANITE
PRIEST RAPIDS
MOSSYROCK
WANAPUM
SWIFT 1