Cost to Run a Oil-Filled Radiator Heater in Maryland
Maryland's average residential electricity rate is 21.8¢/kWh as of May 2026 — the 37th cheapest in the country, 18% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $79.53 per month.
Per hour
$0.33
at 700–1,500 W
Per day
$2.62
8 hours/day
Per month
$79.53
365 kWh
Per year
$955
4,380 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.31 | $39.76 | $477 |
| Typical (8 hrs/day) | $2.62 | $79.53 | $955 |
| Heavy (16 hrs/day) | $5.23 | $159 | $1,910 |
Maryland 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 Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a oil-filled radiator heater with typical usage costs about $2.62 per day, $79.53 per month, or $955 per year.
Is running a oil-filled radiator heater in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $79.53 per month here versus $67.12 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.8¢ per kWh as of May 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.