Cost to Run a Electric Furnace in Idaho
Idaho's average residential electricity rate is 12.7¢/kWh as of April 2026 — the 2nd cheapest in the country, 32% below the U.S. average. At typical usage (5 hours/day), a electric furnace here costs $232 per month.
Per hour
$1.52
at 10,000–20,000 W
Per day
$7.62
5 hours/day
Per month
$232
1,824 kWh
Per year
$2,781
21,900 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $3.81 | $116 | $1,391 |
| Typical (5 hrs/day) | $7.62 | $232 | $2,781 |
| Heavy (10 hrs/day) | $15.24 | $463 | $5,563 |
Idaho 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 Idaho?
At Idaho's current average residential rate of 12.7¢/kWh (April 2026), a electric furnace with typical usage costs about $7.62 per day, $232 per month, or $2,781 per year.
Is running a electric furnace in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 32% below the U.S. average: $232 per month here versus $343 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.7¢ per kWh as of April 2026 — the 2nd cheapest rate of the 51 U.S. jurisdictions we track.