Summary of Electricity Activity in Fremont County, ID
Summary of Fremont County, ID Generation
Fremont County, ID is ranked #1,546 out of 2,193 U.S. counties nationwide and #21 out of 35 Idaho counties in terms of total annual net electricity generation.
| Annual Generation | 87.8 GWh |
|---|---|
| Annual Consumption | 323.3 k MMBtu |
| Last Update | May 2026 |
| 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
87.8 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#264 /536 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#15 /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 | #21 / 35 | #1546 / 2193 | 87.78 GWh | 323.28 k MMBtu |
| Water | #15 / 28 | #264 / 536 | 87.78 GWh | 323.28 k MMBtu |
Power Plants in Fremont County, ID
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Falls River Hydro | Marysville Hydro Partners | 43.2 GWh | 157.2 k MMBtu | Water |
| Ashton | PacifiCorp | 28.0 GWh | 102.3 k MMBtu | Water |
| Island Park | Fall River Rural Elec Coop Inc | 9.7 GWh | 35.9 k MMBtu | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | 6.9 GWh | 28.0 k MMBtu | Water |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #972 | Bingham County | 504.9 GWh | 2 |
| #533 | Bonneville County | 1.8 TWh | 13 |
| #1954 | Butte County | 7.8 GWh | 1 |
| #1916 | Clark County | 10.4 GWh | 2 |
| #1968 | Gallatin County | 7.0 GWh | 1 |
| #1933 | Jefferson County | 9.2 GWh | 1 |
| #1708 | Madison County | 37.7 GWh | 1 |
| #1588 | Madison County | 75.6 GWh | 1 |
| #1782 | Teton County | 24.2 GWh | 2 |
| #2139 | Teton County | 299.0 MWh | 2 |
Electricity Generation for Cities Located in Fremont County, ID
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #31 | Ashton, ID | 71.2 GWh | 2 |
| #46 | Drummond, ID | 24.2 GWh | 1 |
| #54 | Island Park, ID | 9.7 GWh | 1 |
| #58 | St. Anthony, ID | 6.9 GWh | 1 |