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Cost to run a space heater in Illinois
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$0.29/hour
Space Heater at 1,500 W in Illinois (19.32¢/kWh) · $52.86/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.29 | $8.81 | $105.78 |
| 2 h/day | $0.58 | $17.62 | $211.55 |
| 4 h/day | $1.16 | $35.24 | $423.11 |
| 6 h/day | $1.74 | $52.86 | $634.66 |
| 8 h/day | $2.32 | $70.48 | $846.22 |
| 12 h/day | $3.48 | $105.72 | $1,269.32 |
| 24 h/day | $6.96 | $211.44 | $2,538.65 |
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 Illinois?
At 1,500 W and 19.32¢/kWh: $0.29 per hour, $1.74 per day and $52.86 per month at 6 h/day.
How does Illinois 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 Illinois
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