Cost to Run a Robot Vacuum 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 (7 uses/week at 0.06 kWh each), a robot vacuum here costs $0.25 per month.
Per use
0.8¢
0.06 kWh per use
Per day
0.8¢
7 uses/week at 0.06 kWh each
Per month
$0.25
1.8 kWh
Per year
$3.04
22 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4×/week) | 0.4¢ | $0.13 | $1.52 |
| Typical (7×/week) | 0.8¢ | $0.25 | $3.04 |
| Heavy (14×/week) | 1.7¢ | $0.51 | $6.09 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a robot vacuum in Montana?
At Montana's current average residential rate of 13.9¢/kWh (April 2026), a robot vacuum with typical usage costs about 0.8¢ per day, $0.25 per month, or $3.04 per year.
Is running a robot vacuum in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: $0.25 per month here versus $0.34 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.