Cost to Run a Pool Heater (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 (4 hours/day), a pool heater (heat pump) here costs $84.51 per month.
Per hour
$0.70
at 4,000–11,000 W
Per day
$2.78
4 hours/day
Per month
$84.51
608 kWh
Per year
$1,015
7,300 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $1.39 | $42.26 | $507 |
| Typical (4 hrs/day) | $2.78 | $84.51 | $1,015 |
| Heavy (8 hrs/day) | $5.56 | $169 | $2,029 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a pool heater (heat pump) in Montana?
At Montana's current average residential rate of 13.9¢/kWh (April 2026), a pool heater (heat pump) with typical usage costs about $2.78 per day, $84.51 per month, or $1,015 per year.
Is running a pool heater (heat pump) in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: $84.51 per month here versus $114 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.