Cost to Run a Electric Furnace in Idaho
Idaho's average residential electricity rate is 12.4¢/kWh as of May 2026 — the 1st cheapest in the country, 33% below the U.S. average. At typical usage (5 hours/day), a electric furnace here costs $226 per month.
Per hour
$1.49
at 10,000–20,000 W
Per day
$7.44
5 hours/day
Per month
$226
1,824 kWh
Per year
$2,716
21,900 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $3.72 | $113 | $1,358 |
| Typical (5 hrs/day) | $7.44 | $226 | $2,716 |
| Heavy (10 hrs/day) | $14.88 | $452 | $5,431 |
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 12.4¢/kWh (May 2026), a electric furnace with typical usage costs about $7.44 per day, $226 per month, or $2,716 per year.
Is running a electric furnace in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $226 per month here versus $336 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.4¢ per kWh as of May 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.