1 Ludington Consumers Energy Co - (MI) Detailed profile 1,978.8 MW Hydroelectric Pumped Storage Consumers Energy Co - (MI) Mason County 2 Taum Sauk Union Electric Co - (MO) Detailed profile 408 MW Hydroelectric Pumped Storage Union Electric Co - (MO) Reynolds County 3 Osage Dam Union Electric Co - (MO) Detailed profile 208 MW Conventional Hydroelectric Union Electric Co - (MO) Miller County 4 Sidney A Murray Jr Hydroelectric First National Bank-Commerce Detailed profile 192 MW Conventional Hydroelectric First National Bank-Commerce Concordia County 5 Keokuk Union Electric Co - (MO) 124.8 MW Conventional Hydroelectric Union Electric Co - (MO) Lee County 6 Dam 2 Arkansas Electric Coop Corp 102.6 MW Conventional Hydroelectric Arkansas Electric Coop Corp Desha County 7 Cannelton Hydroelectric Plant American Mun Power-Ohio, Inc 87.9 MW Conventional Hydroelectric American Mun Power-Ohio, Inc Hancock County 8 Toledo Bend Entergy Texas Inc. 81 MW Conventional Hydroelectric Entergy Texas Inc. Newton County 9 Markland Duke Energy Indiana, LLC Detailed profile 77.7 MW Conventional Hydroelectric Duke Energy Indiana, LLC Switzerland County 10 Smithland Hydroelectric Plant American Mun Power-Ohio, Inc 75.9 MW Conventional Hydroelectric American Mun Power-Ohio, Inc Livingston County 11 Blakely Mountain USCE -Vickburg District 75 MW Conventional Hydroelectric USCE -Vickburg District Garland County 12 Thomson ALLETE, Inc. 72.6 MW Conventional Hydroelectric ALLETE, Inc. Carlton County 13 Degray USCE -Vickburg District 70 MW Hydroelectric Pumped Storage, Conventional Hydroelectric USCE -Vickburg District Clark County 14 Jim Falls Northern States Power Co - Minnesota 59.8 MW Conventional Hydroelectric Northern States Power Co - Minnesota Chippewa County 15 Carpenter Entergy Arkansas LLC 56 MW Conventional Hydroelectric Entergy Arkansas LLC Garland County 16 Red Rock Hydro Plant Western Minnesota Mun Pwr Agny 55.2 MW Conventional Hydroelectric Western Minnesota Mun Pwr Agny Marion County 17 Sam Rayburn Dam USACE-Fort Worth District 52 MW Conventional Hydroelectric USACE-Fort Worth District Jasper County 18 Murray City of North Little Rock - (AR) 45.4 MW Conventional Hydroelectric City of North Little Rock - (AR) Pulaski County 19 Edison Sault Cloverland Electric Co-op 41.8 MW Conventional Hydroelectric Cloverland Electric Co-op Chippewa County 20 Wissota Northern States Power Co - Minnesota 39.4 MW Conventional Hydroelectric Northern States Power Co - Minnesota Chippewa County 21 Cornell Northern States Power Co - Minnesota 35.3 MW Conventional Hydroelectric Northern States Power Co - Minnesota Chippewa County 22 Holcombe Northern States Power Co - Minnesota 33.9 MW Conventional Hydroelectric Northern States Power Co - Minnesota Chippewa County 23 Prairie Du Sac Wisconsin Power & Light Co 33.4 MW Conventional Hydroelectric Wisconsin Power & Light Co Sauk County 24 Whillock Arkansas Electric Coop Corp 32.4 MW Conventional Hydroelectric Arkansas Electric Coop Corp Conway County 25 Hardy Consumers Energy Co - (MI) 31.5 MW Conventional Hydroelectric Consumers Energy Co - (MI) Newaygo County 26 RC Thomas Hydroelectric Project East Texas Electric Coop, Inc 26.7 MW Conventional Hydroelectric East Texas Electric Coop, Inc Polk County 27 Saint Marys Falls USACE-Detroit District Detailed profile 23.7 MW Conventional Hydroelectric USACE-Detroit District Chippewa County 28 St Croix Falls Northern States Power Co - Minnesota 23.2 MW Conventional Hydroelectric Northern States Power Co - Minnesota Polk County 29 Chippewa Falls Northern States Power Co - Minnesota 21.6 MW Conventional Hydroelectric Northern States Power Co - Minnesota Chippewa County 30 C W Tippy Consumers Energy Co - (MI) 20.1 MW Conventional Hydroelectric Consumers Energy Co - (MI) Manistee County 31 Petenwell Wisconsin River Power Company 20 MW Conventional Hydroelectric Wisconsin River Power Company Juneau County 32 Flambeau Hydroelectric Station Dairyland Power Coop 19.1 MW Conventional Hydroelectric Dairyland Power Coop Rusk County 33 Blanchard ALLETE, Inc. 18 MW Conventional Hydroelectric ALLETE, Inc. Morrison County 34 Twin Cities Hydro LLC Twin Cities Hydro LLC 18 MW Conventional Hydroelectric Twin Cities Hydro LLC Ramsey County 35 Grandfather Falls Wisconsin Public Service Corp 17.2 MW Conventional Hydroelectric Wisconsin Public Service Corp Lincoln County 36 Hodenpyl Consumers Energy Co - (MI) 17 MW Conventional Hydroelectric Consumers Energy Co - (MI) Wexford County 37 Big Quinnesec 92 Wisconsin Electric Power Co 16 MW Conventional Hydroelectric Wisconsin Electric Power Co Dickinson County 38 Castle Rock Wisconsin River Power Company 15 MW Conventional Hydroelectric Wisconsin River Power Company Adams County 39 International Falls Power Boise White Paper LLC 14.2 MW Conventional Hydroelectric Boise White Paper LLC Koochiching County 40 Hennepin Island Northern States Power Co - Minnesota Detailed profile 13.7 MW Conventional Hydroelectric Northern States Power Co - Minnesota Hennepin County 41 Dells Northern States Power Co - Minnesota 12.3 MW Conventional Hydroelectric Northern States Power Co - Minnesota Eau Claire County 42 Fond Du Lac ALLETE, Inc. 12 MW Conventional Hydroelectric ALLETE, Inc. St Louis County 43 Peavy Falls Wisconsin Electric Power Co 12 MW Conventional Hydroelectric Wisconsin Electric Power Co Iron County 44 Victoria Dam Upper Peninsula Power Company 12 MW Conventional Hydroelectric Upper Peninsula Power Company Ontonagon County 45 Oakdale Northern Indiana Pub Serv Co 11.8 MW Conventional Hydroelectric Northern Indiana Pub Serv Co Carroll County 46 Kilbourn Wisconsin Power & Light Co 9.7 MW Conventional Hydroelectric Wisconsin Power & Light Co Columbia County 47 Michigamme Falls Wisconsin Electric Power Co 9.6 MW Conventional Hydroelectric Wisconsin Electric Power Co Iron County 48 Sartell Dam Eagle Creek Renewable Energy, LLC 9.3 MW Conventional Hydroelectric Eagle Creek Renewable Energy, LLC Benton County 49 Twin Falls (WI) Wisconsin Electric Power Co 9.2 MW Conventional Hydroelectric Wisconsin Electric Power Co Florence County 50 Cooke Consumers Energy Co - (MI) Detailed profile 9 MW Conventional Hydroelectric Consumers Energy Co - (MI) Iosco County