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Cost to run an electric water heater in Connecticut
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$0.98/hour
Electric Water Heater at 4,000 W in Connecticut (24.51¢/kWh) · $89.41/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.98 | $29.80 | $357.85 |
| 2 h/day | $1.96 | $59.61 | $715.69 |
| 3 h/day | $2.94 | $89.41 | $1,073.54 |
| 4 h/day | $3.92 | $119.22 | $1,431.38 |
| 8 h/day | $7.84 | $238.43 | $2,862.77 |
| 12 h/day | $11.76 | $357.65 | $4,294.15 |
| 24 h/day | $23.53 | $715.30 | $8,588.30 |
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 |
|---|---|---|
| Connecticut | 24.51 | $89.41 |
| Pennsylvania | 21.77 | $79.42 |
| Michigan | 22.99 | $83.87 |
| Vermont | 23.84 | $86.97 |
| New Jersey | 24.61 | $89.78 |
| District of Columbia | 25.98 | $94.78 |
| New Hampshire | 27.64 | $100.83 |
FAQ
How much does it cost to run an electric water heater in Connecticut?
At 4,000 W and 24.51¢/kWh: $0.98 per hour, $2.94 per day and $89.41 per month at 3 h/day.
How does Connecticut 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 Connecticut
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