Cost to Run a Ductless Mini-Split 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 ductless mini-split here costs $42.41 per month.
Per hour
$0.17
at 400–2,000 W
Per day
$1.40
8 hours/day
Per month
$42.41
195 kWh
Per year
$509
2,336 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.70 | $21.21 | $255 |
| Typical (8 hrs/day) | $1.40 | $42.41 | $509 |
| Heavy (16 hrs/day) | $2.79 | $84.83 | $1,018 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a ductless mini-split in Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a ductless mini-split with typical usage costs about $1.40 per day, $42.41 per month, or $509 per year.
Is running a ductless mini-split in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $42.41 per month here versus $35.80 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.