Cost to Run a Electric Furnace 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 hours/day), a electric furnace here costs $268 per month.
Per hour
$1.76
at 10,000–20,000 W
Per day
$8.82
5 hours/day
Per month
$268
1,824 kWh
Per year
$3,219
21,900 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $4.41 | $134 | $1,610 |
| Typical (5 hrs/day) | $8.82 | $268 | $3,219 |
| Heavy (10 hrs/day) | $17.64 | $536 | $6,439 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric furnace in Montana?
At Montana's current average residential rate of 14.7¢/kWh (May 2026), a electric furnace with typical usage costs about $8.82 per day, $268 per month, or $3,219 per year.
Is running a electric furnace in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 20% below the U.S. average: $268 per month here versus $336 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.