Cost to Run a Oil-Filled Radiator Heater in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $67.49 per month.
Per hour
$0.28
at 700–1,500 W
Per day
$2.22
8 hours/day
Per month
$67.49
365 kWh
Per year
$810
4,380 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.11 | $33.74 | $405 |
| Typical (8 hrs/day) | $2.22 | $67.49 | $810 |
| Heavy (16 hrs/day) | $4.44 | $135 | $1,621 |
Delaware 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 Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $2.22 per day, $67.49 per month, or $810 per year.
Is running a oil-filled radiator heater in Delaware more expensive than average?
It's almost exactly the U.S. average: $67.49 per month here versus $66.76 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.