Cost to Run a Oil-Filled Radiator Heater in Delaware
Delaware's average residential electricity rate is 19.4¢/kWh as of May 2026 — the 33rd cheapest in the country, 5% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $70.77 per month.
Per hour
$0.29
at 700–1,500 W
Per day
$2.33
8 hours/day
Per month
$70.77
365 kWh
Per year
$850
4,380 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.16 | $35.39 | $425 |
| Typical (8 hrs/day) | $2.33 | $70.77 | $850 |
| Heavy (16 hrs/day) | $4.66 | $142 | $1,699 |
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 19.4¢/kWh (May 2026), a oil-filled radiator heater with typical usage costs about $2.33 per day, $70.77 per month, or $850 per year.
Is running a oil-filled radiator heater in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $70.77 per month here versus $67.12 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 19.4¢ per kWh as of May 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.