Cost to Run a Oil-Filled Radiator Heater in Idaho
Idaho's average residential electricity rate is 13.7¢/kWh as of July 2026 — the 5th cheapest in the country, 25% below the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $49.98 per month.
Per hour
$0.21
at 700–1,500 W
Per day
$1.64
8 hours/day
Per month
$49.98
365 kWh
Per year
$600
4,380 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.82 | $24.99 | $300 |
| Typical (8 hrs/day) | $1.64 | $49.98 | $600 |
| Heavy (16 hrs/day) | $3.29 | $99.96 | $1,200 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a oil-filled radiator heater in Idaho?
At Idaho's current average residential rate of 13.7¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $1.64 per day, $49.98 per month, or $600 per year.
Is running a oil-filled radiator heater in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 25% below the U.S. average: $49.98 per month here versus $66.76 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 13.7¢ per kWh as of July 2026 — the 5th cheapest rate of the 51 U.S. jurisdictions we track.