Cost to Run a Electric Wall Heater 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 (6 hours/day), a electric wall heater here costs $23.16 per month.
Per hour
$0.13
at 500–2,000 W
Per day
$0.76
6 hours/day
Per month
$23.16
182 kWh
Per year
$278
2,190 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.38 | $11.58 | $139 |
| Typical (6 hrs/day) | $0.76 | $23.16 | $278 |
| Heavy (12 hrs/day) | $1.52 | $46.33 | $556 |
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 12.7¢/kWh (April 2026), a electric wall heater with typical usage costs about $0.76 per day, $23.16 per month, or $278 per year.
Is running a electric wall heater in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 32% below the U.S. average: $23.16 per month here versus $34.29 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.