Summary of Electricity Activity in Fremont County, ID
Summary of Fremont County, ID Generation
Fremont County, ID is ranked #1,477 out of 2,165 U.S. counties nationwide and #19 out of 35 Idaho counties in terms of total annual net electricity generation.
| Annual Generation | 105.7 GWh |
|---|---|
| Annual Consumption | 386.8 k MMBtu |
| Last Update | Dec 2025 |
| Power Plants | 4 |
| Companies on File | 3 |
Map of Top Producing Plants in Fremont County, ID
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Annual Net Generation From hydroelectric power
105.7 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#250 /538 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#14 /28 Idaho Counties
Monthly Net Generation for Fremont County, ID
Monthly Plant Fuel Consumption for Fremont County, ID
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #19 / 35 | #1477 / 2165 | 105.73 GWh | 386.79 k MMBtu |
| Water | #14 / 28 | #250 / 538 | 105.73 GWh | 386.79 k MMBtu |
Power Plants in Fremont County, ID
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Falls River Hydro | Marysville Hydro Partners | 47.4 GWh | 173.1 k MMBtu | Water |
| Ashton | PacifiCorp | 32.6 GWh | 119.4 k MMBtu | Water |
| Island Park | Fall River Rural Elec Coop Inc | 17.9 GWh | 65.5 k MMBtu | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | 7.8 GWh | 28.8 k MMBtu | Water |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1019 | Bingham County | 455.2 GWh | 2 |
| #503 | Bonneville County | 2.0 TWh | 13 |
| #1896 | Butte County | 10.1 GWh | 1 |
| #1862 | Clark County | 12.6 GWh | 2 |
| #2025 | Gallatin County | 3.7 GWh | 1 |
| #1912 | Jefferson County | 9.2 GWh | 1 |
| #1692 | Madison County | 38.1 GWh | 1 |
| #1551 | Madison County | 76.2 GWh | 1 |
| #1747 | Teton County | 27.8 GWh | 2 |
| #2104 | Teton County | 788.0 MWh | 2 |
Electricity Generation for Cities Located in Fremont County, ID
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #32 | Ashton, ID | 80.1 GWh | 2 |
| #45 | Drummond, ID | 27.8 GWh | 1 |
| #53 | Island Park, ID | 17.9 GWh | 1 |
| #59 | St. Anthony, ID | 7.8 GWh | 1 |