Billowatt

Cost to Run a Ductless Mini-Split in Maine

Maine's average residential electricity rate is 28.4¢/kWh as of April 2026 — the 46th cheapest in the country, 51% above the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $55.26 per month.

Per hour

$0.23

at 400–2,000 W

Per day

$1.82

8 hours/day

Per month

$55.26

195 kWh

Per year

$663

2,336 kWh

By usage level in Maine

Usage Per day Per month Per year
Light (4 hrs/day) $0.91 $27.63 $332
Typical (8 hrs/day) $1.82 $55.26 $663
Heavy (16 hrs/day) $3.64 $111 $1,327

Maine vs. the rest of the country

Monthly cost at typical usage.

Maine $55.26
Northeast average $52.90
U.S. average $36.58

Frequently asked questions

How much does it cost to run a ductless mini-split in Maine?

At Maine's current average residential rate of 28.4¢/kWh (April 2026), a ductless mini-split with typical usage costs about $1.82 per day, $55.26 per month, or $663 per year.

Is running a ductless mini-split in Maine more expensive than average?

Yes. Maine's electricity costs about 51% more than the U.S. average, so the same usage costs $55.26 per month here versus $36.58 nationally.

What does electricity cost in Maine right now?

Maine residents pay an average of 28.4¢ per kWh as of April 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.

Ductless Mini-Split costs in nearby states

What else costs to run in Maine

See the full Maine electricity cost guide →