Energy costs in Washington (WA)
Every figure we hold for Washington, on one page. Each links to the working behind it.
A heating state
Washington runs about 4,800 heating degree days against 300 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
14.71¢
per kWh
Gas $2.48/therm ›
Typical bill
$132
a month
Peaks at $175 ›
Air conditioning
$40
a year
$0.31 an hour ›
Heating
$1256
a season
Heat pump is cheaper ›
Solar payback
10.5 yrs
on a 6 kW system
Generates at 7.0¢/kWh ›
Cities in Washington
Prices are the same statewide, but solar production is not — each city page models it at that city's own coordinates.
Common questions
How much does energy cost in Washington?
Electricity is 14.71¢ per kilowatt hour and natural gas $2.48 per therm. A typical household pays about $132 a month for electricity.
Does Washington spend more on heating or cooling?
Heating. Washington runs about 4,800 heating degree days against 300 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 Washington average prices. The calculators take your ZIP code and your own numbers.
Open the calculatorsPrices from the US Energy Information Administration, 2026-07. Solar production modelled by NREL. Heating and cooling loads estimated from Washington's degree days. Estimates, not quotes.