Cost to Run a Heat Pump in Montana
Montana's average residential electricity rate is 13.9¢/kWh as of April 2026 — the 7th cheapest in the country, 26% below the U.S. average. At typical usage (8 hours/day), a heat pump here costs $101 per month.
Per hour
$0.42
at 1,000–5,000 W
Per day
$3.34
8 hours/day
Per month
$101
730 kWh
Per year
$1,218
8,760 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.67 | $50.71 | $609 |
| Typical (8 hrs/day) | $3.34 | $101 | $1,218 |
| Heavy (16 hrs/day) | $6.67 | $203 | $2,435 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump in Montana?
At Montana's current average residential rate of 13.9¢/kWh (April 2026), a heat pump with typical usage costs about $3.34 per day, $101 per month, or $1,218 per year.
Is running a heat pump in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: $101 per month here versus $137 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 13.9¢ per kWh as of April 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.