Summary of Electricity Activity in Big Horn County, MT

Summary of Big Horn County, MT Generation

Big Horn County, MT is ranked #635 out of 2,154 U.S. counties nationwide and #5 out of 32 Montana counties in terms of total annual net electricity generation.

Annual Generation	1.2 TWh
Annual Consumption	9.5 M MMBtu
Last Update	May 2025
Power Plants	3
Companies on File	3

Map of Top Producing Plants in Big Horn County, MT

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Overall National Rank

#635 /2,154 U.S. Counties

In Net Annual Generation

Overall State Rank

#5 /32 Montana Counties

In Net Annual Generation

Overall Annual Net Geneneration

1.2 TWh

Total Annual Fuel Consumption

9.5 M MMBtu

Electric Companies in Big Horn County, MT

Big Horn County, MT
Power Plants

Annual Net Generation From hydroelectric power

798.4 GWh

National Rank in Terms of hydroelectric Net Electricity Generation

#60 /546 U.S. Counties

State Rank in Terms of hydroelectric Net Electricity Generation

#5 /15 Montana Counties

Monthly Net Generation for Big Horn County, MT

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

	State Rank	National Rank	Generation	Fuel Consumption
All	#5 / 32	#635 / 2154	1.24 TWh	9.54 M MMBtu
Water	#5 / 15	#60 / 546	798.42 GWh	2.96 M MMBtu
Subbituminous Coal	#2 / 3	#94 / 113	430.83 GWh	6.49 M MMBtu
Solar	#5 / 8	#940 / 1212	5.52 GWh	20.73 k MMBtu
Natural Gas	#5 / 8	#797 / 926	4.57 GWh	66.73 k MMBtu

* Data is based on 12 months since Dec 2023.

Power Plants in Big Horn County, MT

Plant	Utility Name	Generation	Consumption	Fuel Types
Yellowtail	U S Bureau of Reclamation	798.4 GWh	3.0 M MMBtu	Water
Hardin Generator Project	Heorot Power Management	435.4 GWh	6.6 M MMBtu	Subbituminous Coal : 99.0% Natural Gas : 1.0%
South Mills Solar, LLC	Adapture Renewables, Inc.	5.5 GWh	20.7 k MMBtu	Solar

* Data is based on the last 12 months since May 2025.

View All Plants in Montana

Electricity Generation for Neighboring Counties

National Rank	County	Net Generation	# Power Plants
#788	Carbon County	759.7 GWh	5
#750	Custer County	851.9 GWh	2
#1956	Golden Valley County	5.6 GWh	1
#83	Rosebud County	11.2 TWh	5
#2111	Sheridan County	199.0 MWh	1
#1135	Stillwater County	331.0 GWh	9
#763	Yellowstone County	814.0 GWh	8

* Net Generation data is based on the last 12 months since May 2025

Electricity Generation for Cities Located in Big Horn County, MT

State Rank	City	Net Generation	# Power Plants
#6	Hardin, MT	1.2 TWh	3

* Net Generation data is based on the last 12 months since May 2025