ElectricBillMath

Electricity rates and average bill in Montana

In 2025, the average Montana household used 853 kWh a month and paid $111, an average price of 13.0¢ per kWh. That is the 46th highest price of the 50 states and DC (U.S.: 17.2¢).

$111average bill per month, 2025
13.0¢per kWh, 2025 average
15.6¢Aug 2026 (+9.0% vs. a year earlier)
$0.87natural gas per therm, 2025

Estimate your bill · Heat pump vs furnace · Water heater cost

Monthly residential electricity price in Montana

17¢10¢ 20252026

Source: EIA, average residential price per month (¢/kWh); last 12 months average 14.0¢.

Electric utilities in Montana

Average residential price, usage and bill of each utility in 2025 (utilities and providers with at least 1,000 homes). Find yours by ZIP code in the bill calculator.

Utilities

NameHomes¢/kWhkWh / moAvg. bill
NorthWestern Energy LLC
Investor-owned utility
333,71114.4707$102
Flathead Electric Coop Inc
Electric cooperative
64,33410.01,184$119
Yellowstone Valley Elec Co-op
Electric cooperative
21,47114.2893$127
Montana-Dakota Utilities Co
Investor-owned utility
19,62612.3773$95
USBIA-Mission Valley Power
Federal
16,3539.41,274$120
Missoula Electric Coop, Inc
Electric cooperative
14,86710.91,068$117
Fergus Electric Coop, Inc
Electric cooperative
6,85515.9896$143
Northern Lights, Inc
Electric cooperative
4,70013.1905$118
Lower Yellowstone R E A, Inc
Electric cooperative
3,2479.21,160$107
Fall River Rural Elec Coop Inc
Electric cooperative
1,52511.11,102$122

Heating: heat pump vs. gas in Montana

For a 2,000 sq ft home with average insulation at a typical Montana location (7,940 heating degree days, weather station Sun Rvr 4 S), heating with a high-efficiency heat pump costs about $1,403 a year at the state's average electricity price, compared with $862 for a 92% gas furnace, $2,200 for propane and $3,153 for heating oil. Run it with your ZIP code and your home.

Heating fuel prices

Natural gas, residential, 2025$8.99/Mcf = $0.87/therm
Propane, 2025/26 winter average$2.02/gal
Heating oil, 2025/26 winter average (U.S., no state survey)$4.01/gal