Billowatt

Cost to Run a Oil-Filled Radiator Heater in South Carolina

South Carolina's average residential electricity rate is 17.1¢/kWh as of April 2026 — the 29th cheapest in the country, 9% below the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $62.38 per month.

Per hour

$0.26

at 700–1,500 W

Per day

$2.05

8 hours/day

Per month

$62.38

365 kWh

Per year

$749

4,380 kWh

By usage level in South Carolina

Usage Per day Per month Per year
Light (4 hrs/day) $1.03 $31.19 $374
Typical (8 hrs/day) $2.05 $62.38 $749
Heavy (16 hrs/day) $4.10 $125 $1,498

South Carolina vs. the rest of the country

Monthly cost at typical usage.

South Carolina $62.38
South average $61.59
U.S. average $68.58

Frequently asked questions

How much does it cost to run a oil-filled radiator heater in South Carolina?

At South Carolina's current average residential rate of 17.1¢/kWh (April 2026), a oil-filled radiator heater with typical usage costs about $2.05 per day, $62.38 per month, or $749 per year.

Is running a oil-filled radiator heater in South Carolina more expensive than average?

No — it's cheaper. South Carolina's rate is about 9% below the U.S. average: $62.38 per month here versus $68.58 nationally.

What does electricity cost in South Carolina right now?

South Carolina residents pay an average of 17.1¢ per kWh as of April 2026 — the 29th cheapest rate of the 51 U.S. jurisdictions we track.

Oil-Filled Radiator Heater costs in nearby states

What else costs to run in South Carolina

See the full South Carolina electricity cost guide →