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Cost to run a space heater in South Dakota
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$0.23/hour
Space Heater at 1,500 W in South Dakota (15.15¢/kWh) · $41.45/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.23 | $6.91 | $82.95 |
| 2 h/day | $0.45 | $13.82 | $165.89 |
| 4 h/day | $0.91 | $27.63 | $331.79 |
| 6 h/day | $1.36 | $41.45 | $497.68 |
| 8 h/day | $1.82 | $55.27 | $663.57 |
| 12 h/day | $2.73 | $82.90 | $995.35 |
| 24 h/day | $5.45 | $165.80 | $1,990.71 |
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
| State | ¢/kWh | Per month |
|---|---|---|
| South Dakota | 15.15 | $41.45 |
| North Carolina | 14.95 | $40.90 |
| Florida | 14.99 | $41.01 |
| Arizona | 15.05 | $41.18 |
| Kansas | 15.47 | $42.33 |
| Montana | 15.57 | $42.60 |
| South Carolina | 15.76 | $43.12 |
FAQ
How much does it cost to run a space heater in South Dakota?
At 1,500 W and 15.15¢/kWh: $0.23 per hour, $1.36 per day and $41.45 per month at 6 h/day.
How does South Dakota 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 South Dakota
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