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Cost to run a space heater in Idaho
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$0.20/hour
Space Heater at 1,500 W in Idaho (13.37¢/kWh) · $36.58/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.20 | $6.10 | $73.20 |
| 2 h/day | $0.40 | $12.19 | $146.40 |
| 4 h/day | $0.80 | $24.39 | $292.80 |
| 6 h/day | $1.20 | $36.58 | $439.20 |
| 8 h/day | $1.60 | $48.77 | $585.61 |
| 12 h/day | $2.41 | $73.16 | $878.41 |
| 24 h/day | $4.81 | $146.32 | $1,756.82 |
Most portable space heaters are capped at 1,500 W on high; low settings are often 750-900 W. With a thermostat they cycle, so real use is usually lower.
Same appliance, nearby states
FAQ
How much does it cost to run a space heater in Idaho?
At 1,500 W and 13.37¢/kWh: $0.20 per hour, $1.20 per day and $36.58 per month at 6 h/day.
How does Idaho compare with other states?
The same use costs $34.80/month in Nevada (cheapest) and $129.08/month in Hawaii (most expensive); the US average is $49.69.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Space Heater cost calculator · Electricity cost in Idaho
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