Upper Salmon B
Bell Rapids Road, Hagerman, ID 83332Plant Summary Information
Upper Salmon B is ranked #35 out of 142 power plants in Idaho in terms of total annual net electricity generation.
Upper Salmon B is comprised of 2 generators and generated 21.0 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Upper Salmon B |
|---|---|
| Utility Name | Idaho Power Co |
| Location | Twin Falls County, ID |
| Initial Operation Date | September 1947 |
| Last Update | Dec 2025 |
| Annual Generation | 89.1 GWh |
| Annual Consumption | 327.0 k MMBtu |
| Ranked #3,634 out of 13,081 Power Plants Nationwide | |
| Ranked #351 out of 1,311 Water Power Plants Nationwide | |
| Ranked #35 out of 142 Idaho Power Plants | |
| Ranked #16 out of 74 Idaho Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Upper Salmon B
Monthly Plant Fuel Consumption for Upper Salmon B
Upper Salmon B Details
| Summary Information | |
|---|---|
| Plant Name | Upper Salmon B (7079) |
| Plant Address | Bell Rapids Road, Hagerman, ID 83332 |
| Utility | Idaho Power Co (9191) |
| Latitude, Longitude | 42.7664, -114.90824 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | September 1947 |
| Annual Generation | 89.1 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 1947
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | US34_1_TOT_B_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | US34_1_TOT_B_GEN |
| Nameplate Capacity | 8.2 MW |
| Nameplate Power Factor | 0.92 |
| Summer Capacity | 9.26 MW |
| Winter Capacity | 9.33 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | September 1947 |
|---|---|
| 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 |
| Other Planned Modifications | Yes |
| Other Modifications | July 2028 |
| Multiple Fuels | No |
Generator 2 Details Operating September 1947
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | US34_1_TOT_B_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | US34_1_TOT_B_GEN |
| Nameplate Capacity | 8.3 MW |
| Nameplate Power Factor | 0.92 |
| Summer Capacity | 9.28 MW |
| Winter Capacity | 9.34 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1947 |
| 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 B 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 |
|---|---|---|---|
| #341 | Winfield | Winfield, WV | 93.0 GWh |
| #342 | Horse Mesa | Apache Junction, AZ | 92.6 GWh |
| #343 | Upper Salmon A | Hagerman, ID | 92.6 GWh |
| #344 | Shoshone (CO) | Glenwood Springs, CO | 91.8 GWh |
| #345 | Saluda Lexington | Columbia, SC | 91.5 GWh |
| #346 | Bennetts Bridge | Altmar, NY | 90.4 GWh |
| #347 | Stewarts Bridge | Corinth, NY | 90.4 GWh |
| #348 | Mountain Island | Mount Holly, NC | 90.0 GWh |
| #349 | Muck Valley Hydroelectric | NA, CA | 89.8 GWh |
| #350 | Union Valley | Fresh Pond, CA | 89.1 GWh |
| #352 | Laurel Dam | London, KY | 88.8 GWh |
| #353 | Navajo Dam | Farmington, NM | 88.3 GWh |
| #354 | Goat Rock | Smiths, AL | 88.1 GWh |
| #355 | Smith (NH) | Berlin, NH | 87.5 GWh |
| #356 | Monroe Street | Spokane, WA | 87.5 GWh |
| #357 | Smith Falls Hydro Project | Bonners Ferry, ID | 87.2 GWh |
| #358 | Degray | Arkadelphia, AR | 86.8 GWh |
| #359 | Oxford Dam | Conover, NC | 86.5 GWh |
| #360 | Allegheny Hydro No 9 | Cowansville, PA | 86.4 GWh |
| #361 | Anderson Ranch | Mountain Home, ID | 85.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Upper Salmon B.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Sky Dairy Digester | Gooding, ID | 9.0 GWh | 9.1 mi |
| Blind Canyon Hydro | Wendell, ID | 3.7 GWh | 6.3 mi |
| Camp Reed | Glenns Ferry, ID | 59.0 GWh | 7.8 mi |
| Cassia Gulch | Hagerman, ID | 35.0 GWh | 9.3 mi |
| Cassia Wind | Hagerman, ID | 17.2 GWh | 8.5 mi |
| Clear Lake | Buhl, ID | 11.8 GWh | 9.5 mi |
| Fossil Gulch | Hagerman, ID | 20.7 GWh | 6.7 mi |
| Lateral 10 Ventures | Buhl, ID | 565.0 MWh | 8.3 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 | 6.6 mi |
| Payne's Ferry | Hagerman, ID | 59.2 GWh | 6.6 mi |
| Pilgrim Stage Wind Park | Hagerman, ID | 30.1 GWh | 5.1 mi |
| Salmon Falls Wind Park | Hagerman, ID | 58.3 GWh | 7.1 mi |
| Thousand Springs | Wendell, ID | 51.8 GWh | 4 mi |
| Thousand Springs Wind Park | Hagerman, ID | 28.6 GWh | 7.8 mi |
| Tuana Gulch Wind Park | Hagerman, ID | 27.4 GWh | 5.8 mi |
| Upper Malad | Hagerman, ID | 55.3 GWh | 6.9 mi |
| Upper Salmon A | Hagerman, ID | 92.6 GWh | 0.8 mi |
| Yahoo Creek | Hagerman, ID | 58.8 GWh | 4.1 mi |