Electricity and gas prices in Montana

Households in Montana paid an average of 15.14¢ per kilowatt-hour for electricity in June 2026, and $10.12 per thousand cubic feet of natural gas in June 2026. That is the 36th highest electricity price of the fifty states and DC.

What heat costs here

Dollars per million BTU delivered into the house — the only figure that compares a heat pump with a furnace, and the only one that needs no assumption about your house.

Gas furnace, 95% AFUE$10.27
Heat pump at COP 3.0$14.79
Heat pump at COP 2.0$22.19
Electric resistance$44.37

Which certified heat pumps hold their capacity at 5 °F in Montana

Five years of prices

July 202111.54¢
October 202111.71¢
January 202210.63¢
April 202210.96¢
July 202211.66¢
October 202212.42¢
January 202311.89¢
April 202312.26¢
July 202313.07¢
October 202312.93¢
January 202411.97¢
April 202412.50¢
July 202413.42¢
October 202413.32¢
January 202511.38¢
April 202512.31¢
July 202514.27¢
October 202514.27¢
January 202612.86¢
April 202613.90¢

Who sells electricity in Montana

Utilities reporting at least 1,000 residential customers. The price column is derived — total residential revenue divided by total residential sales in EIA’s 2024 annual survey — not a tariff, and not this month’s rate.

Utility	Ownership	Residential customers	Derived from the 2024 survey
Northwestern Energy LLC - (Mt)	Investor Owned	328,125	14.23¢
Adjustment 2024		78,440	12.21¢
Flathead Electric Coop Inc.	Cooperative	63,317	9.67¢
Yellowstone Valley Elec Co-Op	Cooperative	21,182	13.35¢
Montana-Dakota Utilities Co	Investor Owned	19,616	12.89¢
Usbia-Mission Valley Power	Federal	16,292	8.91¢
Missoula Electric Coop, Inc.	Cooperative	14,686	10.50¢
Fergus Electric Coop, Inc.	Cooperative	6,682	15.52¢
Northern Lights, Inc.	Cooperative	3,985	12.52¢
Lower Yellowstone R E A, Inc.	Cooperative	3,499	8.83¢
Fall River Rural Elec Coop Inc.	Cooperative	1,508	11.39¢

Get told when this changes

A short note each month when EIA publishes new prices for Montana.

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Prices: EIA Electric Power Monthly and Natural Gas Monthly, residential sector. Utility figures: EIA-861 annual survey, data year 2024. Both public domain.