Upper Salmon A
Salmon Falls Rd., Hagerman, ID 83332Plant Summary Information
Upper Salmon A is ranked #33 out of 142 power plants in Idaho in terms of total annual net electricity generation.
Upper Salmon A is comprised of 2 generators and generated 22.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Upper Salmon A |
|---|---|
| Utility Name | Idaho Power Co |
| Location | Twin Falls County, ID |
| Initial Operation Date | September 1937 |
| Last Update | Dec 2025 |
| Annual Generation | 92.6 GWh |
| Annual Consumption | 338.0 k MMBtu |
| Ranked #3,646 out of 13,301 Power Plants Nationwide | |
| Ranked #343 out of 1,316 Water Power Plants Nationwide | |
| Ranked #33 out of 142 Idaho Power Plants | |
| Ranked #15 out of 74 Idaho Water Power Plants | |
| Fuel Types | Water |
Map of Upper Salmon A
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Monthly Net Generation for Upper Salmon A
Monthly Plant Fuel Consumption for Upper Salmon A
Upper Salmon A Details
| Summary Information | |
|---|---|
| Plant Name | Upper Salmon A (822) |
| Plant Address | Salmon Falls Rd., Hagerman, ID 83332 |
| Utility | Idaho Power Co (9191) |
| Latitude, Longitude | 42.76742, -114.92469 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | September 1937 |
| Annual Generation | 92.6 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | Idaho Power Company (IPCO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Snake River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Idaho Power Co (9191) ID |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
Generator 1 Details Operating September 1937
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | US12_1_TOT_A_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | US12_1_TOT_A_GEN |
| Nameplate Capacity | 9 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 9.41 MW |
| Winter Capacity | 9.23 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1937 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating September 1937
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | S12_1_TOT_A_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | US12_1_TOT_A_GEN |
| Nameplate Capacity | 9 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 8.23 MW |
| Winter Capacity | 8.24 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1937 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Upper Salmon A Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #333 | Twin Cities Hydro LLC | St. Paul, MN | 97.1 GWh |
| #334 | North Highlands | Columbus, GA | 96.9 GWh |
| #335 | Tuckertown Hydro | New London, NC | 95.7 GWh |
| #336 | York Haven | York Haven, PA | 95.7 GWh |
| #337 | Fort Patrick Henry | Kingsport, TN | 94.8 GWh |
| #338 | Tugalo | Tallulah Falls, GA | 93.9 GWh |
| #339 | Lake Lynn Hydro Station | Lake Lynn, PA | 93.9 GWh |
| #340 | Falls Hydro | Badin, NC | 93.6 GWh |
| #341 | Shepaug | Southbury, CT | 93.3 GWh |
| #342 | Winfield | Winfield, WV | 93.0 GWh |
| #344 | Shoshone (CO) | Glenwood Springs, CO | 91.8 GWh |
| #345 | Saluda Lexington | Columbia, SC | 91.5 GWh |
| #346 | J S Eastwood | Shaver Lake, CA | 90.6 GWh |
| #347 | Bennetts Bridge | Altmar, NY | 90.4 GWh |
| #348 | Stewarts Bridge | Corinth, NY | 90.4 GWh |
| #349 | Mountain Island | Mount Holly, NC | 90.0 GWh |
| #350 | Muck Valley Hydroelectric | NA, CA | 89.8 GWh |
| #351 | Union Valley | Fresh Pond, CA | 89.1 GWh |
| #352 | Upper Salmon B | Hagerman, ID | 89.1 GWh |
| #353 | Laurel Dam | London, KY | 88.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Upper Salmon A.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Sky Dairy Digester | Gooding, ID | 9.0 GWh | 9.6 mi |
| Blind Canyon Hydro | Wendell, ID | 3.7 GWh | 7 mi |
| Camp Reed | Glenns Ferry, ID | 59.0 GWh | 7 mi |
| Cassia Gulch | Hagerman, ID | 34.4 GWh | 8.8 mi |
| Cassia Wind | Hagerman, ID | 16.9 GWh | 7.8 mi |
| Fossil Gulch | Hagerman, ID | 20.7 GWh | 6.4 mi |
| High Mesa | King Hill, ID | 67.4 GWh | 9.6 mi |
| Lateral 10 Ventures | Buhl, ID | 565.0 MWh | 8.5 mi |
| Lower Malad | Hagerman, ID | 104.4 GWh | 6.9 mi |
| Lower Salmon | Hagerman, ID | 196.7 GWh | 5.2 mi |
| Oregon Trail Wind Park | Hagerman, ID | 34.9 GWh | 6 mi |
| Payne's Ferry | Hagerman, ID | 59.2 GWh | 5.9 mi |
| Pilgrim Stage Wind Park | Hagerman, ID | 30.1 GWh | 4.3 mi |
| Salmon Falls Wind Park | Hagerman, ID | 58.3 GWh | 6.8 mi |
| Thousand Springs | Wendell, ID | 51.8 GWh | 4.8 mi |
| Thousand Springs Wind Park | Hagerman, ID | 28.6 GWh | 7.4 mi |
| Tuana Gulch Wind Park | Hagerman, ID | 27.4 GWh | 5.3 mi |
| Upper Malad | Hagerman, ID | 55.3 GWh | 7 mi |
| Upper Salmon B | Hagerman, ID | 89.1 GWh | 0.8 mi |
| Yahoo Creek | Hagerman, ID | 58.8 GWh | 3.3 mi |