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Cost to run a space heater in New Hampshire
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$0.41/hour
Space Heater at 1,500 W in New Hampshire (27.64¢/kWh) · $75.62/month at 6 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.41 | $12.60 | $151.33 |
| 2 h/day | $0.83 | $25.21 | $302.66 |
| 4 h/day | $1.66 | $50.42 | $605.32 |
| 6 h/day | $2.49 | $75.62 | $907.97 |
| 8 h/day | $3.32 | $100.83 | $1,210.63 |
| 12 h/day | $4.98 | $151.25 | $1,815.95 |
| 24 h/day | $9.95 | $302.49 | $3,631.90 |
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 |
|---|---|---|
| New Hampshire | 27.64 | $75.62 |
| Connecticut | 24.51 | $67.06 |
| New Jersey | 24.61 | $67.33 |
| District of Columbia | 25.98 | $71.08 |
| Rhode Island | 28.18 | $77.10 |
| New York | 28.65 | $78.39 |
| Alaska | 29.41 | $80.47 |
FAQ
How much does it cost to run a space heater in New Hampshire?
At 1,500 W and 27.64¢/kWh: $0.41 per hour, $2.49 per day and $75.62 per month at 6 h/day.
How does New Hampshire 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 New Hampshire
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