Cost to Run a Oil-Filled Radiator Heater in South Dakota
South Dakota's average residential electricity rate is 15.4¢/kWh as of July 2026 — the 19th cheapest in the country, 16% below the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $56.18 per month.
Per hour
$0.23
at 700–1,500 W
Per day
$1.85
8 hours/day
Per month
$56.18
365 kWh
Per year
$675
4,380 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.92 | $28.09 | $337 |
| Typical (8 hrs/day) | $1.85 | $56.18 | $675 |
| Heavy (16 hrs/day) | $3.70 | $112 | $1,349 |
South Dakota 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 Dakota?
At South Dakota's current average residential rate of 15.4¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $1.85 per day, $56.18 per month, or $675 per year.
Is running a oil-filled radiator heater in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 16% below the U.S. average: $56.18 per month here versus $66.76 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 15.4¢ per kWh as of July 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.