Cost to Run a Oil-Filled Radiator Heater in South Carolina
South Carolina's average residential electricity rate is 15.5¢/kWh as of July 2026 — the 20th cheapest in the country, 15% below the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $56.54 per month.
Per hour
$0.23
at 700–1,500 W
Per day
$1.86
8 hours/day
Per month
$56.54
365 kWh
Per year
$679
4,380 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.93 | $28.27 | $339 |
| Typical (8 hrs/day) | $1.86 | $56.54 | $679 |
| Heavy (16 hrs/day) | $3.72 | $113 | $1,358 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
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 15.5¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $1.86 per day, $56.54 per month, or $679 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 15% below the U.S. average: $56.54 per month here versus $66.76 nationally.
What does electricity cost in South Carolina right now?
South Carolina residents pay an average of 15.5¢ per kWh as of July 2026 — the 20th cheapest rate of the 51 U.S. jurisdictions we track.