Lower Salmon
902 D Justice Grade, Hagerman, ID 83332Plant Summary Information
Lower Salmon is ranked #22 out of 142 power plants in Idaho in terms of total annual net electricity generation.
Lower Salmon is comprised of 4 generators and generated 50.9 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Lower Salmon |
|---|---|
| Utility Name | Idaho Power Co |
| Location | Gooding County, ID |
| Initial Operation Date | February 1949 |
| Last Update | Dec 2025 |
| Annual Generation | 196.7 GWh |
| Annual Consumption | 724.0 k MMBtu |
| Ranked #2,556 out of 13,081 Power Plants Nationwide | |
| Ranked #208 out of 1,311 Water Power Plants Nationwide | |
| Ranked #22 out of 142 Idaho Power Plants | |
| Ranked #9 out of 74 Idaho Water Power Plants | |
| Fuel Types | Water |
Map of Lower Salmon
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Lower Salmon.
Monthly Net Generation for Lower Salmon
Monthly Plant Fuel Consumption for Lower Salmon
Lower Salmon Details
| Summary Information | |
|---|---|
| Plant Name | Lower Salmon (816) |
| Plant Address | 902 D Justice Grade, Hagerman, ID 83332 |
| Utility | Idaho Power Co (9191) |
| Latitude, Longitude | 42.84161, -114.90361 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | February 1949 |
| Annual Generation | 196.7 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 3 Details Operating February 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | LSPR_1_TOT_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LSPR_1_TOT_GEN |
| Nameplate Capacity | 15 MW |
| Nameplate Power Factor | 0.86 |
| Summer Capacity | 19.21 MW |
| Winter Capacity | 17.19 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | February 1949 |
| 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 4 Details Operating March 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | LSPR_1_TOT_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LSPR_1_TOT_GEN |
| Nameplate Capacity | 15 MW |
| Nameplate Power Factor | 0.86 |
| Summer Capacity | 18.26 MW |
| Winter Capacity | 16.96 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | March 1949 |
| 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 1 Details Operating July 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | LSPR_1_TOT_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LSPR_1_TOT_GEN |
| Nameplate Capacity | 15 MW |
| Nameplate Power Factor | 0.86 |
| Summer Capacity | 19.29 MW |
| Winter Capacity | 19.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 1949 |
| 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 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | LSPR_1_TOT_GEN-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LSPR_1_TOT_GEN |
| Nameplate Capacity | 15 MW |
| Nameplate Power Factor | 0.86 |
| Summer Capacity | 17.37 MW |
| Winter Capacity | 9.02 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1949 |
| 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 |
Lower Salmon 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 |
|---|---|---|---|
| #198 | Red Rock Hydro Plant | Pella, IA | 213.0 GWh |
| #199 | W E Warne | Gorman, CA | 211.0 GWh |
| #200 | Toketee Falls | Idleyld Park, OR | 208.4 GWh |
| #201 | Sam Rayburn Dam | Jasper, TX | 207.9 GWh |
| #202 | American Falls | American Falls, ID | 206.3 GWh |
| #203 | Pole Hill | Loveland, CO | 202.4 GWh |
| #204 | Stanislaus | Vallecito, CA | 199.8 GWh |
| #205 | Willow Island Hydroelectric Plant | Willow Island, WV | 198.3 GWh |
| #206 | Thomson | Carlton, MN | 198.2 GWh |
| #207 | Blue Mesa | Gunnison, CO | 198.0 GWh |
| #209 | Cowlitz Falls | Randle, WA | 195.6 GWh |
| #210 | New Martinsville Hannibal Hydro | New Martinsville, WV | 194.6 GWh |
| #211 | Bellows Falls | Bellow Falls, VT | 194.3 GWh |
| #212 | Claytor | Radford, VA | 194.0 GWh |
| #213 | Bucks Creek | Storrie, CA | 192.0 GWh |
| #214 | Denison | Denison, TX | 191.9 GWh |
| #215 | Cheatham | Ashland City, TN | 191.4 GWh |
| #216 | Thurlow Dam | Tallassee, AL | 191.0 GWh |
| #217 | Racine | Racine, OH | 190.0 GWh |
| #218 | Little Falls (WA) | Ford, WA | 188.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Lower Salmon.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Sky Dairy Digester | Gooding, ID | 9.0 GWh | 5.9 mi |
| Bliss (ID) | Bliss, ID | 297.7 GWh | 9.8 mi |
| Camp Reed | Glenns Ferry, ID | 59.0 GWh | 7.6 mi |
| Cassia Gulch | Hagerman, ID | 35.0 GWh | 6.2 mi |
| Cassia Wind | Hagerman, ID | 17.2 GWh | 6.8 mi |
| Fossil Gulch | Hagerman, ID | 20.7 GWh | 2.6 mi |
| High Mesa | King Hill, ID | 68.4 GWh | 7.2 mi |
| Koyle Ranch Hydroelectric Project | Gooding, ID | 3.4 GWh | 9 mi |
| Lower Malad | Hagerman, ID | 104.4 GWh | 1.7 mi |
| Oregon Trail Wind Park | Hagerman, ID | 34.9 GWh | 4.4 mi |
| Payne's Ferry | Hagerman, ID | 59.2 GWh | 5.5 mi |
| Pilgrim Stage Wind Park | Hagerman, ID | 30.1 GWh | 5.7 mi |
| Thousand Springs | Wendell, ID | 51.8 GWh | 7.8 mi |
| Thousand Springs Wind Park | Hagerman, ID | 28.6 GWh | 3.8 mi |
| Tuana Gulch Wind Park | Hagerman, ID | 27.4 GWh | 3.3 mi |
| Tuana Springs | Hagerman, ID | 27.1 GWh | 6.7 mi |
| Upper Malad | Hagerman, ID | 55.3 GWh | 1.8 mi |
| Upper Salmon A | Hagerman, ID | 92.6 GWh | 5.2 mi |
| Upper Salmon B | Hagerman, ID | 89.1 GWh | 5.2 mi |
| Yahoo Creek | Hagerman, ID | 58.8 GWh | 6.5 mi |