Billowatt

Cost to Run a Dishwasher 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 (5 uses/week at 1.2 kWh each), a dishwasher here costs $3.62 per month.

Per use

$0.17

1.2 kWh per use

Per day

$0.12

5 uses/week at 1.2 kWh each

Per month

$3.62

26 kWh

Per year

$43.49

313 kWh

By usage level in Montana

Usage Per day Per month Per year
Light (3×/week) 6.0¢ $1.81 $21.74
Typical (5×/week) $0.12 $3.62 $43.49
Heavy (10×/week) $0.24 $7.24 $86.97

Montana vs. the rest of the country

Monthly cost at typical usage.

Montana $3.62
West average $5.12
U.S. average $4.90

Frequently asked questions

How much does it cost to run a dishwasher in Montana?

At Montana's current average residential rate of 13.9¢/kWh (April 2026), a dishwasher with typical usage costs about $0.12 per day, $3.62 per month, or $43.49 per year.

Is running a dishwasher in Montana more expensive than average?

No — it's cheaper. Montana's rate is about 26% below the U.S. average: $3.62 per month here versus $4.90 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.

Dishwasher costs in nearby states

What else costs to run in Montana

See the full Montana electricity cost guide →