Home / Technologies / Conventional Hydroelectric / Idaho
Conventional Hydroelectric Power Plants in Idaho
U.S. Energy Information Administration (Forms EIA-860/860M).
Power plants
74
Total nameplate capacity
2,595.5 MW
Generating units
158
National rank (conventional hydroelectric capacity)
#7
Every conventional hydroelectric plant in Idaho
| Plant | Operator | Units | Capacity |
|---|---|---|---|
| Brownlee | Idaho Power Co | 5 | 675 MW |
| Dworshak | USACE Northwestern Division | 3 | 465 MW |
| Cabinet Gorge | Avista Corp | 4 | 265.2 MW |
| Palisades Dam | U S Bureau of Reclamation | 4 | 176.4 MW |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | 3 | 101.2 MW |
| C J Strike | Idaho Power Co | 3 | 82.8 MW |
| Bliss (ID) | Idaho Power Co | 3 | 75 MW |
| Lower Salmon | Idaho Power Co | 4 | 60 MW |
| Milner Hydro | Idaho Power Co | 3 | 59.5 MW |
| Twin Falls (ID) | Idaho Power Co | 2 | 52.7 MW |
| Albeni Falls | USACE Northwestern Division | 3 | 42 MW |
| Anderson Ranch | U S Bureau of Reclamation | 2 | 40 MW |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | 3 | 38.1 MW |
| Grace | PacifiCorp | 3 | 33 MW |
| Oneida | PacifiCorp | 3 | 30 MW |
| Minidoka | U S Bureau of Reclamation | 4 | 27.7 MW |
| Swan Falls | Idaho Power Co | 2 | 27.2 MW |
| Gem State | City of Idaho Falls - (ID) | 1 | 23.4 MW |
| Upper Salmon A | Idaho Power Co | 2 | 18 MW |
| Upper Salmon B | Idaho Power Co | 2 | 16.5 MW |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | 2 | 15 MW |
| Shoshone Falls | Idaho Power Co | 2 | 14.7 MW |
| Soda | PacifiCorp | 2 | 14.6 MW |
| Lower Malad | Idaho Power Co | 1 | 13.5 MW |
| Cascade Dam (ID) | Idaho Power Co | 2 | 12.4 MW |
| Black Canyon | U S Bureau of Reclamation | 2 | 10.2 MW |
| Bypass | North Side Energy Company | 3 | 9.9 MW |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | 2 | 9.4 MW |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | 3 | 9 MW |
| Falls River Hydro | Marysville Hydro Partners | 2 | 9 MW |
| Post Falls | Avista Corp | 4 | 8.8 MW |
| S E Hazelton A | North Side Energy Company | 3 | 8.7 MW |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | 2 | 8.4 MW |
| Upper Malad | Idaho Power Co | 1 | 8.3 MW |
| Lower No 1 | City of Idaho Falls - (ID) | 1 | 8 MW |
| City Power Plant | City of Idaho Falls - (ID) | 1 | 8 MW |
| South Forks Hydro | South Forks Joint Venture | 2 | 8 MW |
| Upper Power Plant | City of Idaho Falls - (ID) | 1 | 8 MW |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | 2 | 7.6 MW |
| Felt | Fall River Rural Elec Coop Inc | 4 | 7.4 MW |
| Thousand Springs | Idaho Power Co | 1 | 6.8 MW |
| Ashton | PacifiCorp | 3 | 6.7 MW |
| Island Park | Fall River Rural Elec Coop Inc | 2 | 4.8 MW |
| Dietrich Drop | Wood Hydro, LLC | 1 | 4.8 MW |
| Barber Dam | Barber Pool Hydro LLC | 1 | 4.1 MW |
| Moyie Springs | City of Bonners Ferry | 4 | 3.9 MW |
| Dry Creek Project | Dry Creek LLC | 1 | 3.6 MW |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | 3 | 3.6 MW |
| Boise R Diversion | U S Bureau of Reclamation | 3 | 3.3 MW |
| Mink Creek Hydro | Mink Creek Hydro Entity | 1 | 3.1 MW |
| Lower No 2 | City of Idaho Falls - (ID) | 1 | 3 MW |
| Low Line Rapids | Lower Lowline LLC | 1 | 2.8 MW |
| Birch Creek Power | Birch Power Co | 1 | 2.6 MW |
| El Dorado Hydro Elk Creek | Hydroland Omega LLC | 1 | 2.6 MW |
| Clear Lake | Idaho Power Co | 1 | 2.5 MW |
| Lateral 10 Ventures | Lateral 10 Ventures | 1 | 2.4 MW |
| MC6 Hydro Facility | MC6 Hydro Facility | 1 | 2.3 MW |
| Crystal Springs | Crystal Springs Hydro Elec LP | 1 | 2.3 MW |
| Rock Creek I | Shorock Hydro Inc | 1 | 2.1 MW |
| Rock Creek II | Hydroland Omega LLC | 1 | 1.9 MW |
| Last Chance | PacifiCorp | 3 | 1.7 MW |
| Mora Drop Hydroelectric Project | Boise Project Board of Control | 1 | 1.7 MW |
| Marsh Valley Development | Marsh Valley Development Inc | 1 | 1.6 MW |
| Little Mac Project | Little Mac Power Company | 4 | 1.5 MW |
| Mile 28 Water Power Project | Wood Hydro, LLC | 2 | 1.4 MW |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | 1 | 1.3 MW |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | 3 | 1.3 MW |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | 1 | 1.3 MW |
| Head of U Canal Hydro Project | North Side Energy Company | 1 | 1.2 MW |
| Ford Hydro LP | Ford Hydro Ltd Partnership | 3 | 1.2 MW |
| AJMS, LLC | AJMS, LLC | 1 | 1.2 MW |
| Marco Ranch | Marco Power Inc | 4 | 1.2 MW |
| Fargo Drop | Boise Project Board of Control | 1 | 1.1 MW |
| GeoBon II | Koosh, Inc. | 1 | 1 MW |
Source: U.S. Energy Information Administration, Forms EIA-860 and EIA-860M. Nameplate capacity is the maximum rated output of the plant's generators.