List of hydroelectric power stations in the United States

From Wikipedia, the free encyclopedia

This is a list of operational hydroelectric power stations in the United States with a current nameplate capacity of at least 100 MW.

Grand Coulee Dam, the largest hydroelectric power station in North America

The Hoover Dam in Arizona and Nevada was the first hydroelectric power station in the United States to have a capacity of at least 1,000 MW upon completion in 1936. Since then numerous other hydroelectric power stations have surpassed the 1,000 MW threshold, most often through the expansion of existing hydroelectric facilities. All but two states of the United States are home to at least one hydroelectric power station, those without being Delaware and Mississippi.[1]

List of power stations

More information Name, State ...
Name State Coordinates Capacity
(MW)
Annual generation
(GWh)
Owner Type Ref
Bad Creek South Carolina 35°00′24″N 82°59′40″W 1,064 Duke Energy Pumped-storage
Bath County Virginia 38°13′50″N 79°49′10″W 3,003 -983 (2018) Dominion Energy (60%)
Bath County Energy (24%)
Allegheny Energy (16%)
Pumped-storage [2][3]
Bear Swamp Massachusetts 42°41′06″N 72°58′36″W 600 -164 (2019) National Grid Pumped-storage [4][5]
Big Bend South Dakota 44°02′58″N 99°26′55″W 494 1,193 (2018) U.S. Army Corps of Engineers Reservoir [6]
Big Creek California 37°12′17″N 119°14′23″W 1,050 Southern California Edison Pumped-storage [7]
Blenheim–Gilboa New York 42°27′18″N 74°27′29″W 1,134 New York Power Authority Pumped-storage
Bonneville Oregon
Washington
45°38′39″N 121°56′26″W 1,227 4,860 (2018) U.S. Army Corps of Engineers Run-of-the-river [8][9][10]
Boundary Washington 48°59′14″N 117°20′51″W 1,003 4,004 (2018) Seattle City Light Reservoir [11][12]
Brownlee Idaho
Oregon
44°50′10″N 116°54′00″W 585 2,419 (2018) Idaho Power Reservoir [13][14]
Bull Shoals Arkansas 36°21′58″N 92°34′29″W 391 884 (2022) U.S. Army Corps of Engineers Reservoir [15]
Carters  Georgia 34°36′55″N 84°40′26″W 600 U.S. Army Corps of Engineers Pumped-storage [16]
Castaic California 34°35′14″N 118°39′24″W 1,500 232 (2018) CDWR (50%)
LADWP (50%)
Pumped-storage [17][18]
Chief Joseph Washington 47°59′43″N 119°38′00″W 2,620 12,352 (2018) U.S. Army Corps of Engineers Run-of-the-river [19][20]
Comerford New Hampshire 165.9 417 (2019) Great River Hydro [21][22]
Conowingo Maryland 39°39′36″N 76°10′26″W 548 2,788 (2018) Exelon Run-of-the-river [23]
The Dalles Oregon
Washington
45°36′44″N 121°08′04″W 1,813 7,161 (2018) U.S. Army Corps of Engineers Run-of-the-river [24][25]
Davis Dam Arizona
Nevada
35°11′56″N 114°34′10″W 255 1,103 (2018) U.S. Bureau of Reclamation Reservoir [26]
Devil Canyon Project California 34°12′20″N 117°20′05″W 276.2 787 (2018) CDWR Reservoir [27]
Diablo Washington 48°42′51″N 121°08′35″W 129 689.4 (2009) Seattle City Light Reservoir [28]
Dworshak Idaho 46°30′54″N 116°17′46″W 400 1,598 (2018) U.S. Army Corps of Engineers Reservoir [29][30]
Fontana North Carolina 35°27′8″N 83°48′17″W 304 1,151 (2018) Tennessee Valley Authority Reservoir [31][32]
Fort Randall South Dakota 43°04′00″N 98°33′14″W 320 1,725 (2018) U.S. Army Corps of Engineers Reservoir [33][34]
Garrison North Dakota 47°29′55″N 101°24′43″W 614 3,180 (2018) U.S. Army Corps of Engineers Reservoir [35]
Glen Canyon Arizona 36°56′15″N 111°29′04″W 1,320 3,959 (2018) U.S. Bureau of Reclamation Reservoir [36]
Gorge Washington 48°41′52″N 121°12′30″W 199.2 Seattle City Light Reservoir
Grand Coulee Washington 47°57′21″N 118°58′54″W 6,809 21,043 (2018) U.S. Bureau of Reclamation Reservoir (95.4%)
Pumped-storage (4.6%)
[37][38]
Great Lakes Hydro Maine 138 723 (2019) Great Lakes Hydro America [39][40]
Hartwell  Georgia 34°21′28″N 82°49′17″W 421 U.S. Army Corps of Engineers Reservoir
Hells Canyon Idaho
Oregon
45°14′41″N 116°41′54″W 391.5 2,195 (2018) Idaho Power Company Reservoir [41][42]
Helms California 37°02′13″N 118°57′53″W 1,212 -413 (2018) PG&E Pumped-storage [43][44]
Hoover Arizona
Nevada
36°0′56″N 114°44′16″W 2,080 3,542 (2018) U.S. Bureau of Reclamation Reservoir [45][46][47]
Hungry Horse Montana 48°20′28″N 114°00′50″W 428 999 (2018) U.S. Bureau of Reclamation Reservoir [48][49]
Ice Harbor Washington 46°14′58″N 118°52′47″W 603 1,711 (2018) U.S. Army Corps of Engineers Run-of-the-river [50][51]
J. Strom Thurmond  Georgia 33°39′39″N 82°11′59″W 380 U.S. Army Corps of Engineers Reservoir
Jocassee South Carolina 34°0′57″N 82°55′05″W 710 Duke Energy Pumped-storage [52]
John Day Oregon
Washington
45°42′59″N 120°41′40″W 2,160 9,193 (2018) U.S. Army Corps of Engineers Run-of-the-river [53][54]
Libby Montana 48°24′36″N 115°18′50″W 600 2,056 (2018) U.S. Army Corps of Engineers Reservoir [55][56]
Little Goose Washington 46°35′15″N 118°01′34″W 810 2,452 (2018) U.S. Army Corps of Engineers Run-of-the-river [57][58]
Lower Baker Washington 48°32′51″N 121°44′28″W 111 Puget Sound Energy Reservoir [59]
Lower Granite Washington 46°39′38″N 117°25′41″W 810 2,467 (2018) U.S. Army Corps of Engineers Run-of-the-river [60][61]
Lower Monumental Washington 46°33′47″N 118°32′20″W 810 2,383 (2018) U.S. Army Corps of Engineers Run-of-the-river [62][63]
Ludington Michigan 43°53′37″N 86°26′43″W 2,172 -698 (2018) Consumers Energy (51%)
DTE Electric (49%)
Pumped-storage [64][65]
McNary Oregon
Washington
45°55′47″N 119°17′46″W 986 69 (2018) U.S. Army Corps of Engineers Run-of-the-river [66][67]
Mossyrock Washington 46°32′04″N 122°25′29″W 378.4 908 (2018) Tacoma Power Reservoir [68][69]
Muddy Run Pennsylvania 39°50′49″N 76°17′29″W 1,072 Exelon Pumped-storage
New Bullards Bar California 39°23′36″N 121°08′35″W 315 1,091 (2018) Yuba County Water Agency Reservoir [70][71]
New Melones California 37°56′50″N 120°31′41″W 300 418 (2012) U.S. Bureau of Reclamation Reservoir [72][73]
Northfield Mountain Massachusetts 42°36′39″N 72°28′17″W 1,168 -273 (2019) FirstLight Pumped-storage [74][75][76]
Noxon Rapids Montana 47°57′39″N 115°44′01″W 527 1,841 (2018) Avista Reservoir [77][78]
Oahe South Dakota 44°27′07″N 100°23′57″W 786 3,346 (2018) U.S. Army Corps of Engineers Reservoir [79]
Oroville California 39°32′20″N 121°29′08″W 644 1,291 (2018) CDWR Reservoir [80]
Priest Rapids Washington 46°38′35″N 119°54′34″W 955 4,737 (2018) Grant County PUD Reservoir [81][82]
Raccoon Mountain Tennessee 35°2′54″N 85°23′48″W 1,616 -620 (2018) Tennessee Valley Authority Pumped-storage [83][84]
Richard B. Russell  Georgia
South Carolina
34°01′30″N 82°35′39″W 600 U.S. Army Corps of Engineers Pumped-storage
Robert Moses Niagara New York 43°08′35″N 79°02′23″W 2,675 16,773 (2018) New York Power Authority Reservoir [85]
Rock Island Washington 47°20′32″N 120°05′41″W 622.5 2,652 (2018) Chelan County PUD Reservoir [86][87]
Rocky Mountain  Georgia 34°21′20″N 85°18′14″W 1,095 Oglethorpe Power (75%)
Georgia Power (25%)
Pumped-storage
Rocky Reach Washington 47°32′00″N 120°17′44″W 1,347 6,287 (2018) Chelan County PUD Reservoir [88][89]
Ross Washington 48°43′54″N 121°04′02″W 460 619.12 (2018) Seattle City Light Reservoir
Round Butte Oregon 44°36′11″N 121°16′40″W 367 835 (2018) Portland General Electric Reservoir [90]
Safe Harbor Pennsylvania 39°55′14″N 76°23′33″W 422.5 SHWP Reservoir
Salina Oklahoma 36°15′55″N 95°06′15″W 259 -135 (2018) Grand River Dam Authority Pumped-storage [91][92]
S. C. Moore New Hampshire 190.8 336 (2019) Great River Hydro [93][94]
Seneca Pennsylvania 41°50′21″N 79°0′14″W 435 LS Power Pumped-storage
Shasta California 40°43′07″N 122°25′08″W 714 1,739 (2018) U.S. Bureau of Reclamation Reservoir [95]
SKQ Montana 47°40′36″N 114°14′03″W 208 1,100 (2024) Confederated Salish and Kootenai Tribes Reservoir [96]
Smith Mountain Virginia 37°02′28″N 79°32′08″W 560 American Electric Power Pumped-storage
St. Lawrence-FDR New York 45°00′23″N 74°47′42″W 912 7,640 (2018) New York Power Authority Reservoir [97][98]
Swift Washington 46°3′47″N 122°11′52″W 240 519.481 PacifiCorp Reservoir [99][100]
Taum Sauk Missouri 37°32′08″N 90°49′05″W 450 Ameren Missouri Pumped-storage
Upper Baker Washington 48°38′56″N 121°41′27″W 107 Puget Sound Energy Reservoir [101]
Wanapum Washington 46°52′31″N 119°58′16″W 1,185 5,338 (2018) Grant County PUD Reservoir [102][103]
Wells Washington 47°56′43″N 119°51′58″W 774 4,439 (2018) Douglas County PUD Reservoir [104][105]
Wheeler Alabama 34°48′25″N 87°22′55″W 402 1,624 (2018) Tennessee Valley Authority Reservoir [106][107]
White Rock California 38°45′54″N 120°47′14″W 266.5 389 (2018) SMUD Reservoir [108]
William R. Gianelli California 37°03′33″N 121°04′29″W 424 -126 (2018) CDWR
U.S. Bureau of Reclamation
Pumped-storage [109][110]
Wilson Alabama 34°48′03″N 87°37′33″W 653 2,923 (2018) Tennessee Valley Authority Reservoir [111][112]
Wolf Creek Kentucky 36.8683°N 85.1475°W / 36.8683; -85.1475 270 800 U.S. Army Corps of Engineers Reservoir [113]
Yale Washington 45°57′51″N 122°19′57″W 134 PacifiCorp Reservoir [114]
Yards Creek New Jersey 41°0′3″N 75°1′54″W 453 -115 (2018) FirstEnergy
PSEG
Pumped-storage [115]
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Under construction

This is a list of hydroelectric power stations under construction with an expected nameplate capacity of at least 100 MW.

More information Name, State ...
Name State Coordinates Capacity
(MW)
Annual generation
(GWh)
Owner Type Year Ref
Gordon Butte Montana 46°25′07″N 110°22′20″W 400 1,300 Absaroka Energy Pumped-storage [116][117]
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See also

References

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