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Cost to run a space heater in Tennessee
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$0.20/hour
Space Heater at 1,500 W in Tennessee (13.42¢/kWh) · $36.72/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.20 | $6.12 | $73.47 |
| 2 h/day | $0.40 | $12.24 | $146.95 |
| 4 h/day | $0.81 | $24.48 | $293.90 |
| 6 h/day | $1.21 | $36.72 | $440.85 |
| 8 h/day | $1.61 | $48.96 | $587.80 |
| 12 h/day | $2.42 | $73.43 | $881.69 |
| 24 h/day | $4.83 | $146.87 | $1,763.39 |
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 Tennessee?
At 1,500 W and 13.42¢/kWh: $0.20 per hour, $1.21 per day and $36.72 per month at 6 h/day.
How does Tennessee 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 Tennessee
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