Billowatt

Cost to Run a Hot Tub in Montana

Montana's average residential electricity rate is 15¢/kWh as of July 2026 — the 15th cheapest in the country, 18% below the U.S. average. At typical usage (3.3 hours/day), a hot tub here costs $22.57 per month.

Per hour

$0.22

at 1,000–6,000 W

Per day

$0.74

3.3 hours/day

Per month

$22.57

150 kWh

Per year

$271

1,807 kWh

By usage level in Montana

Usage Per day Per month Per year
Light (1.65 hrs/day) $0.37 $11.29 $136
Typical (3.3 hrs/day) $0.74 $22.57 $271
Heavy (6.6 hrs/day) $1.49 $45.14 $542

Montana vs. the rest of the country

Monthly cost at typical usage.

Montana $22.57
West average $29.93
U.S. average $27.54

Frequently asked questions

How much does it cost to run a hot tub in Montana?

At Montana's current average residential rate of 15¢/kWh (July 2026), a hot tub with typical usage costs about $0.74 per day, $22.57 per month, or $271 per year.

Is running a hot tub in Montana more expensive than average?

No — it's cheaper. Montana's rate is about 18% below the U.S. average: $22.57 per month here versus $27.54 nationally.

What does electricity cost in Montana right now?

Montana residents pay an average of 15¢ per kWh as of July 2026 — the 15th cheapest rate of the 51 U.S. jurisdictions we track.

Hot Tub costs in nearby states

What else costs to run in Montana

See the full Montana electricity cost guide →