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Cost to run a space heater in Washington
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$0.22/hour
Space Heater at 1,500 W in Washington (14.63¢/kWh) · $40.03/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.22 | $6.67 | $80.10 |
| 2 h/day | $0.44 | $13.34 | $160.20 |
| 4 h/day | $0.88 | $26.69 | $320.40 |
| 6 h/day | $1.32 | $40.03 | $480.60 |
| 8 h/day | $1.76 | $53.37 | $640.79 |
| 12 h/day | $2.63 | $80.06 | $961.19 |
| 24 h/day | $5.27 | $160.11 | $1,922.38 |
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 |
|---|---|---|
| Washington | 14.63 | $40.03 |
| Arkansas | 14.37 | $39.32 |
| Mississippi | 14.43 | $39.48 |
| Wyoming | 14.43 | $39.48 |
| Oklahoma | 14.82 | $40.55 |
| North Carolina | 14.95 | $40.90 |
| Florida | 14.99 | $41.01 |
FAQ
How much does it cost to run a space heater in Washington?
At 1,500 W and 14.63¢/kWh: $0.22 per hour, $1.32 per day and $40.03 per month at 6 h/day.
How does Washington 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 Washington
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