Cost to Run a Electric Wall Heater 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 (6 hours/day), a electric wall heater here costs $26.81 per month.
Per hour
$0.15
at 500–2,000 W
Per day
$0.88
6 hours/day
Per month
$26.81
182 kWh
Per year
$322
2,190 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.44 | $13.41 | $161 |
| Typical (6 hrs/day) | $0.88 | $26.81 | $322 |
| Heavy (12 hrs/day) | $1.76 | $53.63 | $644 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric wall heater in Montana?
At Montana's current average residential rate of 14.7¢/kWh (May 2026), a electric wall heater with typical usage costs about $0.88 per day, $26.81 per month, or $322 per year.
Is running a electric wall heater in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 20% below the U.S. average: $26.81 per month here versus $33.56 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.