Summary of Electricity Activity in Big Horn County, MT
Summary of Big Horn County, MT Generation
Big Horn County, MT is ranked #737 out of 2,193 U.S. counties nationwide and #8 out of 32 Montana counties in terms of total annual net electricity generation.
| Annual Generation | 937.7 GWh |
|---|---|
| Annual Consumption | 7.8 M MMBtu |
| Last Update | May 2026 |
| Power Plants | 3 |
| Companies on File | 3 |
Map of Top Producing Plants in Big Horn County, MT
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Annual Net Generation From hydroelectric power
566.2 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#80 /536 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#7 /15 Montana Counties
Monthly Net Generation for Big Horn County, MT
Monthly Plant Fuel Consumption for Big Horn County, MT
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #8 / 32 | #737 / 2193 | 937.70 GWh | 7.81 M MMBtu |
| Water | #7 / 15 | #80 / 536 | 566.19 GWh | 2.10 M MMBtu |
| Subbituminous Coal | #2 / 3 | #91 / 107 | 364.23 GWh | 5.66 M MMBtu |
| Solar | #5 / 8 | #1066 / 1317 | 4.99 GWh | 19.45 k MMBtu |
| Natural Gas | #8 / 8 | #813 / 927 | 2.29 GWh | 38.98 k MMBtu |
Power Plants in Big Horn County, MT
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Yellowtail | U S Bureau of Reclamation | 566.2 GWh | 2.1 M MMBtu | Water |
| Hardin Generator Project | Heorot Power Management | 366.5 GWh | 5.7 M MMBtu | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| South Mills Solar, LLC | Adapture Renewables, Inc. | 5.0 GWh | 19.4 k MMBtu | Solar |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #828 | Carbon County | 725.4 GWh | 5 |
| #793 | Custer County | 790.1 GWh | 2 |
| #2009 | Golden Valley County | 4.8 GWh | 1 |
| #102 | Rosebud County | 10.5 TWh | 5 |
| #2145 | Sheridan County | 171.0 MWh | 1 |
| #759 | Stillwater County | 855.8 GWh | 9 |
| #725 | Yellowstone County | 984.3 GWh | 8 |
Electricity Generation for Cities Located in Big Horn County, MT
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #7 | Hardin, MT | 937.7 GWh | 3 |