Energy costs in Montana
Every figure we hold for Montana, on one page. Each links to the working behind it.
A heating state
Montana runs about 7,500 heating degree days against 500 cooling ones, so the heating system does most of the work and is where an upgrade pays off. Its electricity bill peaks in January.
Electricity
14.67¢
per kWh
Gas $0.85/therm ›
Typical bill
$113
a month
Peaks at $141 ›
Air conditioning
$66
a year
$0.31 an hour ›
Heating
$1199
a season
Gas furnace is cheaper ›
Solar payback
10.2 yrs
on a 6 kW system
Generates at 6.8¢/kWh ›
Common questions
How much does energy cost in Montana?
Electricity is 14.67¢ per kilowatt hour and natural gas $0.85 per therm. A typical household pays about $113 a month for electricity.
Does Montana spend more on heating or cooling?
Heating. Montana runs about 7,500 heating degree days against 500 cooling ones, so winter dominates and the heating system is where money is worth spending.
For your own home
Everything above describes a 1,800 square foot home at Montana average prices. The calculators take your ZIP code and your own numbers.
Open the calculatorsPrices from the US Energy Information Administration, 2026-05. Solar production modelled by NREL. Heating and cooling loads estimated from Montana's degree days. Estimates, not quotes.