Lower No 1
1690 W. Sunnyside Road, Idaho Falls, ID 83402Plant Summary Information
Lower No 1 is ranked #30 out of 74 hydroelectric power plants in Idaho in terms of total annual net electricity generation.
Lower No 1 is comprised of 1 generator and generated 7.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Lower No 1 |
|---|---|
| Utility Name | City of Idaho Falls - (ID) |
| Location | Bonneville County, ID |
| Initial Operation Date | April 1982 |
| Last Update | Dec 2025 |
| Annual Generation | 41.6 GWh |
| Annual Consumption | 151.0 k MMBtu |
| Ranked #4,417 out of 13,081 Power Plants Nationwide | |
| Ranked #515 out of 1,311 Water Power Plants Nationwide | |
| Ranked #74 out of 142 Idaho Power Plants | |
| Ranked #30 out of 74 Idaho Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Lower No 1
Monthly Plant Fuel Consumption for Lower No 1
Lower No 1 Details
| Summary Information | |
|---|---|
| Plant Name | Lower No 1 (7012) |
| Plant Address | 1690 W. Sunnyside Road, Idaho Falls, ID 83402 |
| Utility | City of Idaho Falls - (ID) (9187) |
| Latitude, Longitude | 43.46868, -112.0625 |
| Generation Dates on File | Jan 2002 to Dec 2025 |
| Initial Operation Date | April 1982 |
| Annual Generation | 41.6 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 | PacifiCorp - East (PACE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Snake River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Idaho Falls - (ID) (9187) ID |
| Grid Voltage | 46.00 kV |
| Energy Storage | No |
Generator 2 Details Operating April 1982
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 8 MW |
| Winter Capacity | 8 MW |
| Minimum Load | 8 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 1982 |
|---|---|
| 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 | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Lower No 1 Plant Owners
| Owner Name | Address | 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 |
|---|---|---|---|
| #505 | Dalles Dam North Fishway Project | The Dalles, OR | 43.4 GWh |
| #506 | Conemaugh Hydro Plant | Saltsburg, PA | 43.3 GWh |
| #507 | Grizzly | N/A, CA | 43.3 GWh |
| #508 | Dexter | Lowell, OR | 43.2 GWh |
| #509 | Falls River Hydro | Ashton, ID | 43.2 GWh |
| #510 | Beardslee | Little Falls, NY | 42.8 GWh |
| #511 | Combined Locks | Combined Locks, WI | 42.6 GWh |
| #512 | Boysen | Thermopolis, WY | 42.5 GWh |
| #513 | Upper Falls | Spokane, WA | 42.0 GWh |
| #514 | Solomon Gulch | Valdez, AK | 41.8 GWh |
| #516 | New York State Dam Hydro | Waterford, NY | 41.6 GWh |
| #517 | Robbs Peak | Fresh Pond, CA | 41.4 GWh |
| #518 | Tims Ford | Winchester, TN | 41.2 GWh |
| #519 | Cutler Hydro | Collinston, UT | 41.2 GWh |
| #520 | Little Falls Hydro | Little Falls, NY | 41.0 GWh |
| #521 | Headgate Rock | Parker, AZ | 40.9 GWh |
| #522 | Monticello Dam | Winters, CA | 40.7 GWh |
| #523 | Cascade Dam (ID) | Cascade, ID | 40.3 GWh |
| #524 | Ozark Beach | Forsyth, MO | 40.3 GWh |
| #525 | Deferiet | Deferiet, NY | 40.2 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Lower No 1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ashton | Ashton, ID | 28.0 GWh | 50.7 mi |
| Bannock County LFG to Energy | Pocatello, ID | 12.6 GWh | 49.5 mi |
| Birch Creek Power | Terreton, ID | 10.4 GWh | 50.7 mi |
| BYUI Central Energy Facility | Rexburg, ID | 37.7 GWh | 27.8 mi |
| Cedar Creek Wind, LLC | Shelley, ID | 504.9 GWh | 9.7 mi |
| Chester Diversion Hydroelectric Project | Chester, ID | 6.9 GWh | 44.9 mi |
| City Power Plant | Idaho Falls, ID | 39.6 GWh | 1.8 mi |
| Dry Creek Project | Howe, ID | 7.8 GWh | 50.7 mi |
| Falls River Hydro | Ashton, ID | 43.2 GWh | 54 mi |
| Felt | Felt, ID | 24.2 GWh | 49.6 mi |
| Gem State | Idaho Falls, ID | 117.2 GWh | 3.9 mi |
| Goshen Phase II | Idaho Falls, ID | 337.1 GWh | 11.3 mi |
| Horse Butte Wind I, LLC | Iona, ID | 158.0 GWh | 17.8 mi |
| Kettle Butte Digester, LLC | Roberts, ID | 9.2 GWh | 15.7 mi |
| Lower No 2 | Idaho Falls, ID | 3.8 GWh | 0 mi |
| Meadow Creek Project Company | Idaho Falls, ID | 292.3 GWh | 13.5 mi |
| Palisades Dam | Palisades, ID | 657.3 GWh | 44 mi |
| Simplot Leasing Don Plant | Pocatello, ID | 73.2 GWh | 45.3 mi |
| Upper Power Plant | Idaho Falls, ID | 44.8 GWh | 5.8 mi |
| Wolverine Creek | Idaho Falls, ID | 143.7 GWh | 12.2 mi |