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Cost to run an electric water heater in Missouri
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$0.64/hour
Electric Water Heater at 4,000 W in Missouri (16.02¢/kWh) · $58.44/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.64 | $19.48 | $233.89 |
| 2 h/day | $1.28 | $38.96 | $467.78 |
| 3 h/day | $1.92 | $58.44 | $701.68 |
| 4 h/day | $2.56 | $77.92 | $935.57 |
| 8 h/day | $5.13 | $155.84 | $1,871.14 |
| 12 h/day | $7.69 | $233.76 | $2,806.70 |
| 24 h/day | $15.38 | $467.53 | $5,613.41 |
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 |
|---|---|---|
| Missouri | 16.02 | $58.44 |
| Georgia | 15.90 | $58.00 |
| Texas | 15.91 | $58.04 |
| Oregon | 15.92 | $58.08 |
| West Virginia | 16.31 | $59.50 |
| Alabama | 16.33 | $59.57 |
| New Mexico | 16.51 | $60.23 |
FAQ
How much does it cost to run an electric water heater in Missouri?
At 4,000 W and 16.02¢/kWh: $0.64 per hour, $1.92 per day and $58.44 per month at 3 h/day.
How does Missouri 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 Missouri
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