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Cost to run an electric water heater in New Jersey
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$0.98/hour
Electric Water Heater at 4,000 W in New Jersey (24.61¢/kWh) · $89.78/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.98 | $29.93 | $359.31 |
| 2 h/day | $1.97 | $59.85 | $718.61 |
| 3 h/day | $2.95 | $89.78 | $1,077.92 |
| 4 h/day | $3.94 | $119.70 | $1,437.22 |
| 8 h/day | $7.88 | $239.41 | $2,874.45 |
| 12 h/day | $11.81 | $359.11 | $4,311.67 |
| 24 h/day | $23.63 | $718.22 | $8,623.34 |
Tank water heaters use 3,000-5,500 W elements; a family typically runs them 2-4 hours a day. Heat-pump models use about a third.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| New Jersey | 24.61 | $89.78 |
| Michigan | 22.99 | $83.87 |
| Vermont | 23.84 | $86.97 |
| Connecticut | 24.51 | $89.41 |
| District of Columbia | 25.98 | $94.78 |
| New Hampshire | 27.64 | $100.83 |
| Rhode Island | 28.18 | $102.80 |
FAQ
How much does it cost to run an electric water heater in New Jersey?
At 4,000 W and 24.61¢/kWh: $0.98 per hour, $2.95 per day and $89.78 per month at 3 h/day.
How does New Jersey compare with other states?
The same use costs $46.40/month in Nevada (cheapest) and $172.11/month in Hawaii (most expensive); the US average is $66.25.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Electric Water Heater cost calculator · Electricity cost in New Jersey
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