Energy costs in Idaho
Every figure we hold for Idaho, on one page. Each links to the working behind it.
A heating state
Idaho runs about 5,800 heating degree days against 700 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
12.35¢
per kWh
Gas $1.04/therm ›
Typical bill
$111
a month
Peaks at $143 ›
Air conditioning
$78
a year
$0.26 an hour ›
Heating
$1144
a season
Gas furnace is cheaper ›
Solar payback
11.3 yrs
on a 6 kW system
Generates at 6.4¢/kWh ›
Common questions
How much does energy cost in Idaho?
Electricity is 12.35¢ per kilowatt hour and natural gas $1.04 per therm. A typical household pays about $111 a month for electricity.
Does Idaho spend more on heating or cooling?
Heating. Idaho runs about 5,800 heating degree days against 700 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 Idaho 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 Idaho's degree days. Estimates, not quotes.