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Energy costs in South Carolina

Every figure we hold for South Carolina, on one page. Each links to the working behind it.

Both seasons matter here

South Carolina sits between the two — 2,400 heating degree days against 2,100 cooling ones. With both seasons in play, one machine doing both jobs is worth more here than in states with a single dominant season. Its electricity bill peaks in July.

Electricity

16.18¢

per kWh

Gas $2.64/therm

Typical bill

$164

a month

Peaks at $222

Air conditioning

$385

a year

$0.41 an hour

Heating

$691

a season

Heat pump is cheaper

Solar payback

8.6 yrs

on a 6 kW system

Generates at 6.2¢/kWh

Common questions

How much does energy cost in South Carolina?

Electricity is 16.18¢ per kilowatt hour and natural gas $2.64 per therm. A typical household pays about $164 a month for electricity.

Does South Carolina spend more on heating or cooling?

Neither dominates in South Carolina — 2,400 heating degree days against 2,100 cooling ones. Both seasons matter, which is unusual and makes a heat pump doing double duty more attractive than it is elsewhere.

For your own home

Everything above describes a 1,800 square foot home at South Carolina average prices. The calculators take your ZIP code and your own numbers.

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Prices from the US Energy Information Administration, 2026-05. Solar production modelled by NREL. Heating and cooling loads estimated from South Carolina's degree days. Estimates, not quotes.