Billowatt

Cost to Run a Oil-Filled Radiator Heater in Maryland

Maryland's average residential electricity rate is 21.4¢/kWh as of July 2026 — the 37th cheapest in the country, 17% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $78.07 per month.

Per hour

$0.32

at 700–1,500 W

Per day

$2.57

8 hours/day

Per month

$78.07

365 kWh

Per year

$937

4,380 kWh

By usage level in Maryland

Usage Per day Per month Per year
Light (4 hrs/day) $1.28 $39.03 $469
Typical (8 hrs/day) $2.57 $78.07 $937
Heavy (16 hrs/day) $5.14 $156 $1,875

Maryland vs. the rest of the country

Monthly cost at typical usage.

Maryland $78.07
South average $59.27
U.S. average $66.76

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 21.4¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $2.57 per day, $78.07 per month, or $937 per year.

Is running a oil-filled radiator heater in Maryland more expensive than average?

Yes. Maryland's electricity costs about 17% more than the U.S. average, so the same usage costs $78.07 per month here versus $66.76 nationally.

What does electricity cost in Maryland right now?

Maryland residents pay an average of 21.4¢ per kWh as of July 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.

Oil-Filled Radiator Heater costs in nearby states

What else costs to run in Maryland

See the full Maryland electricity cost guide →