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Hydroelectric power plants in Washington

81 hydroelectric power plants in Washington, totaling 23 GW of nameplate capacity. Source: EIA.

Development pipeline — planned & under construction

No mapped locations
Planned pipeline — new additions by fuel type
No planned capacity in this horizon

All hydroelectric plants in Washington

Grand Coulee
Hydroelectric · Grand Coulee, Washington · Operating · COD 1941
6,809 MW
Chief Joseph
Hydroelectric · Bridgeport, Washington · Operating · COD 1955
2,456 MW
Wanapum
Hydroelectric · Beverly, Washington · Operating · COD 2011
2,258 MW
Rocky Reach
Hydroelectric · Wenatchee, Washington · Operating · COD 1961
1,349 MW
Boundary
Hydroelectric · Metaline, Washington · Operating · COD 1967
1,160 MW
Priest Rapids
Hydroelectric · Mattawa, Washington · Operating · COD 1959
950 MW
Wells
Hydroelectric · Chelan, Washington · Operating · COD 1967
867 MW
Lower Granite
Hydroelectric · Pomeroy, Washington · Operating · COD 1975
810 MW
Little Goose
Hydroelectric · Dayton, Washington · Operating · COD 1970
810 MW
Lower Monumental
Hydroelectric · Kahlotus, Washington · Operating · COD 1969
810 MW
Rock Island
Hydroelectric · Wenatchee, Washington · Operating · COD 1931
629 MW
Ice Harbor
Hydroelectric · Burbank, Washington · Operating · COD 1962
603 MW
Ross
Hydroelectric · Rockport, Washington · Operating · COD 1952
450 MW
Mossyrock
Hydroelectric · Silver Creek, Washington · Operating · COD 1968
300 MW
Swift 1
Hydroelectric · Cougar, Washington · Operating · COD 1958
240 MW
Gorge
Hydroelectric · Rockport, Washington · Operating · COD 1924
207 MW
Diablo
Hydroelectric · Rockport, Washington · Operating · COD 1936
182 MW
Mayfield
Hydroelectric · Silver Creek, Washington · Operating · COD 1963
162 MW
Merwin
Hydroelectric · Ariel, Washington · Operating · COD 1931
136 MW
Yale
Hydroelectric · Amboy, Washington · Operating · COD 1953
134 MW
H M Jackson
Hydroelectric · Sultan, Washington · Operating · COD 1984
112 MW
Upper Baker
Hydroelectric · Concrete, Washington · Operating · COD 1959
105 MW
Lower Baker
Hydroelectric · Concrete, Washington · Operating · COD 1960
104 MW
Summer Falls Power Plant
Hydroelectric · Coulee City, Washington · Operating · COD 1985
92 MW
Box Canyon
Hydroelectric · Ione, Washington · Operating · COD 1955
90 MW
Cushman 2
Hydroelectric · Shelton, Washington · Operating · COD 1930
85 MW
Swift 2
Hydroelectric · Cougar, Washington · Operating · COD 1958
72 MW
Long Lake
Hydroelectric · Ford, Washington · Operating · COD 1915
70 MW
White River (WA)
Hydroelectric · Sumner, Washington · Retired
70 MW
Cowlitz Falls
Hydroelectric · Randle, Washington · Operating · COD 1994
70 MW
LaGrande
Hydroelectric · La Grande, Washington · Operating · COD 1912
64 MW
Chelan
Hydroelectric · Wenatchee, Washington · Operating · COD 1927
59 MW
Alder
Hydroelectric · La Grande, Washington · Operating · COD 1945
51 MW
Cushman 1
Hydroelectric · Shelton, Washington · Operating · COD 1926
50 MW
Snoqualmie 2
Hydroelectric · Snoqualmie, Washington · Operating · COD 1957
49 MW
Little Falls (WA)
Hydroelectric · Ford, Washington · Operating · COD 1910
43 MW
Nine Mile
Hydroelectric · Nine Mile, Washington · Operating · COD 1908
38 MW
Cedar Falls (WA)
Hydroelectric · North Bend, Washington · Operating · COD 1921
30 MW
Packwood
Hydroelectric · Packwood, Washington · Operating · COD 1964
28 MW
Main Canal Headworks
Hydroelectric · Coulee City, Washington · Operating · COD 1987
27 MW
Twin Falls Hydro
Hydroelectric · North Bend, Washington · Operating · COD 1989
24 MW
Electron
Hydroelectric · Orting, Washington · Operating · COD 1904
23 MW
Snoqualmie
Hydroelectric · Snoqualmie, Washington · Operating · COD 2013
18 MW
Upriver Dam Hydro Plant
Hydroelectric · Spokane, Washington · Operating · COD 1936
18 MW
South Fork Tolt
Hydroelectric · North Bend, Washington · Operating · COD 1995
17 MW
Glines Hydroelectric Project
Hydroelectric · Port Angeles, Washington · Retired
16 MW
Monroe Street
Hydroelectric · Spokane, Washington · Operating · COD 1992
15 MW
Tieton Dam Hydro Electric Project
Hydroelectric · Rimrock, Washington · Operating · COD 2006
14 MW
Condit
Hydroelectric · White Salmon, Washington · Retired
14 MW
Roza
Hydroelectric · Yakima, Washington · Operating · COD 1958
13 MW
Wynoochee
Hydroelectric · Montesano, Washington · Operating · COD 1994
13 MW
Elwha Hydroelectric Project
Hydroelectric · Port Angeles, Washington · Retired
13 MW
Yelm
Hydroelectric · Yelm, Washington · Operating · COD 1930
12 MW
Chandler
Hydroelectric · Benton City, Washington · Operating · COD 1956
12 MW
Koma Kulshan
Hydroelectric · Concrete, Washington · Operating · COD 1990
12 MW
Upper Falls
Hydroelectric · Spokane, Washington · Operating · COD 1922
10 MW
McNary Dam Fish Attraction Project
Hydroelectric · Plymouth, Washington · Operating · COD 1997
10 MW
Quincy Chute
Hydroelectric · Quincy, Washington · Retired
9 MW
Youngs Creek Hydroelectric Project
Hydroelectric · Monroe, Washington · Operating · COD 2011
8 MW
PEC Headworks
Hydroelectric · Moses Lake, Washington · Retired
7 MW
Naches
Hydroelectric · Washington · Retired
6 MW
Russell D Smith
Hydroelectric · Othello, Washington · Operating · COD 1982
6 MW
Hancock Creek Hydroelectric Project
Hydroelectric · Snoqualmie, Washington · Operating · COD 2018
6 MW
Calligan Creek Hydroelectric Project
Hydroelectric · Snoqualmie, Washington · Operating · COD 2018
6 MW
Weeks Falls
Hydroelectric · North Bend, Washington · Operating · COD 1990
4 MW
Black Creek
Hydroelectric · Snoqualmie, Washington · Operating · COD 1994
4 MW
Drop 2 (WA)
Hydroelectric · Wapato, Washington · Operating · COD 1942
3 MW
Potholes East Canal 66.0
Hydroelectric · Pasco, Washington · Operating · COD 1985
2 MW
Newhalem
Hydroelectric · Rockport, Washington · Operating · COD 1970
2 MW
Twin Reservoirs
Hydroelectric · Walla Walla, Washington · Operating · COD 1988
2 MW
Eltopia Branch Canal 4.6
Hydroelectric · Pasco, Washington · Operating · COD 1983
2 MW
Meyers Falls
Hydroelectric · Kettle Falls, Washington · Operating · COD 1915
2 MW
Cowiche
Hydroelectric · Tieton, Washington · Operating · COD 1987
2 MW
Sheep Creek Hydro
Hydroelectric · Northport, Washington · Operating · COD 1986
2 MW
Rocky Brook Hydroelectric
Hydroelectric · Brinnon, Washington · Operating · COD 1985
2 MW
Orchard Avenue 1
Hydroelectric · Yakima, Washington · Operating · COD 1987
2 MW
Drop 3 (WA)
Hydroelectric · Wapato, Washington · Operating · COD 1932
2 MW
Nooksack Hydro
Hydroelectric · Glacier, Washington · Operating · COD 1906
2 MW
Lilliwaup Falls Generating
Hydroelectric · Lilliwaup, Washington · Operating · COD 1986
1 MW
Naches Drop
Hydroelectric · Washington · Retired
1 MW
Skookumchuck
Hydroelectric · Tenino, Washington · Operating · COD 1990
1 MW

Source: U.S. Energy Information Administration (EIA-860M)