Energy costs in South Dakota
Every figure we hold for South Dakota, on one page. Each links to the working behind it.
A heating state
South Dakota runs about 7,500 heating degree days against 800 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
15.73¢
per kWh
Gas $1.06/therm ›
Typical bill
$138
a month
Peaks at $173 ›
Air conditioning
$114
a year
$0.33 an hour ›
Heating
$1497
a season
Gas furnace is cheaper ›
Solar payback
8.8 yrs
on a 6 kW system
Generates at 6.2¢/kWh ›
Common questions
How much does energy cost in South Dakota?
Electricity is 15.73¢ per kilowatt hour and natural gas $1.06 per therm. A typical household pays about $138 a month for electricity.
Does South Dakota spend more on heating or cooling?
Heating. South Dakota runs about 7,500 heating degree days against 800 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 South Dakota 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 South Dakota's degree days. Estimates, not quotes.