Cost to Run a Garage 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 (3 hours/day), a garage heater here costs $99.41 per month.
Per hour
$1.09
at 2,400–7,500 W
Per day
$3.27
3 hours/day
Per month
$99.41
456 kWh
Per year
$1,194
5,475 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $1.64 | $49.70 | $597 |
| Typical (3 hrs/day) | $3.27 | $99.41 | $1,194 |
| Heavy (6 hrs/day) | $6.54 | $199 | $2,387 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a garage heater in Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a garage heater with typical usage costs about $3.27 per day, $99.41 per month, or $1,194 per year.
Is running a garage 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 $99.41 per month here versus $83.90 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.