Cost to Run a Dishwasher in Montana
Montana's average residential electricity rate is 14.7¢/kWh as of May 2026 — the 13th cheapest in the country, 20% below the U.S. average. At typical usage (5 uses/week at 1.2 kWh each), a dishwasher here costs $3.83 per month.
Per use
$0.18
1.2 kWh per use
Per day
$0.13
5 uses/week at 1.2 kWh each
Per month
$3.83
26 kWh
Per year
$45.99
313 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3×/week) | 6.3¢ | $1.92 | $22.99 |
| Typical (5×/week) | $0.13 | $3.83 | $45.99 |
| Heavy (10×/week) | $0.25 | $7.66 | $91.98 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dishwasher in Montana?
At Montana's current average residential rate of 14.7¢/kWh (May 2026), a dishwasher with typical usage costs about $0.13 per day, $3.83 per month, or $45.99 per year.
Is running a dishwasher in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 20% below the U.S. average: $3.83 per month here versus $4.79 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 14.7¢ per kWh as of May 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.