Power Plants in Big Horn County, Montana

Big Horn County, Montana has 3 power plants totaling 397 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants3operating sites
Capacity396 MWnameplate
Generation1.3M MWhannual
CO₂722.1kmetric tons/year
Hydroelectric 70%Coal 29%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
YellowtailHardinHydroelectric278 MWU S Bureau Of Reclamation
Hardin Generator ProjectHardinCoal116 MWHeorot Power Management
South Mills Solar, LlcHardinSolar3.0 MWAdapture Renewables, Inc.

About power generation in Big Horn County

Big Horn County, Montana has 3 power plants totaling 397 MW of nameplate capacity. Hydroelectric is the dominant fuel source at 70% of installed capacity, followed by Coal (29%) and Solar (1%). The largest facility is Yellowtail at 278 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

To find plants closer to a specific address in Big Horn County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.