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Cost to run an electric water heater in Arkansas
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$0.57/hour
Electric Water Heater at 4,000 W in Arkansas (14.37¢/kWh) · $52.42/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.57 | $17.47 | $209.80 |
| 2 h/day | $1.15 | $34.95 | $419.60 |
| 3 h/day | $1.72 | $52.42 | $629.41 |
| 4 h/day | $2.30 | $69.90 | $839.21 |
| 8 h/day | $4.60 | $139.79 | $1,678.42 |
| 12 h/day | $6.90 | $209.69 | $2,517.62 |
| 24 h/day | $13.80 | $419.37 | $5,035.25 |
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 |
|---|---|---|
| Arkansas | 14.37 | $52.42 |
| Tennessee | 13.42 | $48.96 |
| Nebraska | 13.54 | $49.39 |
| Kentucky | 13.80 | $50.34 |
| Mississippi | 14.43 | $52.64 |
| Wyoming | 14.43 | $52.64 |
| Washington | 14.63 | $53.37 |
FAQ
How much does it cost to run an electric water heater in Arkansas?
At 4,000 W and 14.37¢/kWh: $0.57 per hour, $1.72 per day and $52.42 per month at 3 h/day.
How does Arkansas 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 Arkansas
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