Cost to Run a Oil-Filled Radiator Heater in Delaware
Delaware's average residential electricity rate is 18.8¢/kWh as of April 2026 — the 33rd cheapest in the country, 0% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $68.58 per month.
Per hour
$0.28
at 700–1,500 W
Per day
$2.26
8 hours/day
Per month
$68.58
365 kWh
Per year
$823
4,380 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.13 | $34.29 | $412 |
| Typical (8 hrs/day) | $2.26 | $68.58 | $823 |
| Heavy (16 hrs/day) | $4.51 | $137 | $1,647 |
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 18.8¢/kWh (April 2026), a oil-filled radiator heater with typical usage costs about $2.26 per day, $68.58 per month, or $823 per year.
Is running a oil-filled radiator heater in Delaware more expensive than average?
It's almost exactly the U.S. average: $68.58 per month here versus $68.58 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.8¢ per kWh as of April 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.