Cost to Run a Hot Tub 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 (3.3 hours/day), a hot tub here costs $20.92 per month.
Per hour
$0.21
at 1,000–6,000 W
Per day
$0.69
3.3 hours/day
Per month
$20.92
150 kWh
Per year
$251
1,807 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.65 hrs/day) | $0.34 | $10.46 | $126 |
| Typical (3.3 hrs/day) | $0.69 | $20.92 | $251 |
| Heavy (6.6 hrs/day) | $1.38 | $41.83 | $502 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a hot tub in Montana?
At Montana's current average residential rate of 13.9¢/kWh (April 2026), a hot tub with typical usage costs about $0.69 per day, $20.92 per month, or $251 per year.
Is running a hot tub in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: $20.92 per month here versus $28.29 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.