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Hydroelectric power plants in Alaska

32 hydroelectric power plants in Alaska, totaling 520 MW of nameplate capacity. Source: EIA.

Development pipeline — planned & under construction

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Planned pipeline — new additions by fuel type

Largest next additions — planned & under construction

Sweetheart Lake Hydroelectric Facility
Hydroelectric · Juneau, Alaska · Under construction · exp. 2028
20 MW
Mahoney Lake Hydroelectric
Hydroelectric · Ketchikan, Alaska · Planned · exp. 2027
10 MW

All hydroelectric plants in Alaska

Bradley Lake
Hydroelectric · Homer, Alaska · Operating · COD 1991
126 MW
Snettisham
Hydroelectric · Juneau, Alaska · Operating · COD 1973
78 MW
Eklutna Hydro Project
Hydroelectric · Palmer, Alaska · Operating · COD 1955
44 MW
Terror Lake Microgrid
Hydroelectric · Kodiak, Alaska · Operating · COD 1984
34 MW
Blue Lake Hydro
Hydroelectric · Sitka, Alaska · Operating · COD 2014
23 MW
Swan Lake
Hydroelectric · Ketchikan, Alaska · Operating · COD 1984
23 MW
Tyee Lake Hydroelectric Facility
Hydroelectric · Wrangell, Alaska · Operating · COD 1983
23 MW
Sweetheart Lake Hydroelectric Facility
Hydroelectric · Juneau, Alaska · Under construction · exp. 2028
20 MW
Cooper Lake
Hydroelectric · Cooper Landing, Alaska · Operating · COD 1961
19 MW
Green Lake
Hydroelectric · Sitka, Alaska · Operating · COD 1982
19 MW
Lake Dorothy Hydroelectric Project
Hydroelectric · Juneau, Alaska · Operating · COD 2009
14 MW
Solomon Gulch
Hydroelectric · Valdez, Alaska · Operating · COD 1982
12 MW
Mahoney Lake Hydroelectric
Hydroelectric · Ketchikan, Alaska · Planned · exp. 2027
10 MW
Salmon Creek 1
Hydroelectric · Juneau, Alaska · Operating · COD 1984
9 MW
Allison Creek Hydro
Hydroelectric · Valdez, Alaska · Operating · COD 2016
7 MW
Power Creek
Hydroelectric · Cordova, Alaska · Operating · COD 2001
6 MW
Beaver Falls
Hydroelectric · Ketchikan, Alaska · Operating · COD 1947
5 MW
Hiilangaay Hydro
Hydroelectric · Hydaburg, Alaska · Operating · COD 2021
5 MW
Whitman
Hydroelectric · Ketchikan, Alaska · Operating · COD 2015
5 MW
Black Bear Lake
Hydroelectric · Craig, Alaska · Operating · COD 1995
5 MW
Ketchikan
Hydroelectric · Ketchikan, Alaska · Operating · COD 1938
4 MW
Pelican
Hydroelectric · Pelican, Alaska · Operating · COD 1984
4 MW
Annex Creek
Hydroelectric · Juneau, Alaska · Operating · COD 1915
4 MW
Goat Lake Hydro
Hydroelectric · Skagway, Alaska · Operating · COD 1997
4 MW
Purple Lake
Hydroelectric · Metlakatla, Alaska · Operating · COD 1956
4 MW
Kasidaya Creek Hydro
Hydroelectric · Skagway, Alaska · Operating · COD 2008
3 MW
King Cove
Hydroelectric · King Cove, Alaska · Operating · COD 1980
3 MW
Gustavus
Hydroelectric · Gustavus, Alaska · Operating · COD 2008
2 MW
Silvis
Hydroelectric · Ketchikan, Alaska · Operating · COD 1968
2 MW
South Fork
Hydroelectric · Klawock, Alaska · Operating · COD 2005
2 MW
Chester Lake
Hydroelectric · Metlakatla, Alaska · Operating · COD 1988
1 MW
Humpback Creek
Hydroelectric · Cordova, Alaska · Operating · COD 1991
1 MW

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