Cost to Run a Electric Wall Heater 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 (6 hours/day), a electric wall heater here costs $22.62 per month.
Per hour
$0.12
at 500–2,000 W
Per day
$0.74
6 hours/day
Per month
$22.62
182 kWh
Per year
$272
2,190 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.37 | $11.31 | $136 |
| Typical (6 hrs/day) | $0.74 | $22.62 | $272 |
| Heavy (12 hrs/day) | $1.49 | $45.24 | $543 |
Idaho 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 Idaho?
At Idaho's current average residential rate of 12.4¢/kWh (May 2026), a electric wall heater with typical usage costs about $0.74 per day, $22.62 per month, or $272 per year.
Is running a electric wall heater in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $22.62 per month here versus $33.56 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.