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Cost to run an electric water heater in Florida
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$0.60/hour
Electric Water Heater at 4,000 W in Florida (14.99¢/kWh) · $54.68/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.60 | $18.23 | $218.85 |
| 2 h/day | $1.20 | $36.46 | $437.71 |
| 3 h/day | $1.80 | $54.68 | $656.56 |
| 4 h/day | $2.40 | $72.91 | $875.42 |
| 8 h/day | $4.80 | $145.82 | $1,750.83 |
| 12 h/day | $7.20 | $218.73 | $2,626.25 |
| 24 h/day | $14.39 | $437.47 | $5,252.50 |
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 |
|---|---|---|
| Florida | 14.99 | $54.68 |
| Washington | 14.63 | $53.37 |
| Oklahoma | 14.82 | $54.06 |
| North Carolina | 14.95 | $54.54 |
| Arizona | 15.05 | $54.90 |
| South Dakota | 15.15 | $55.27 |
| Kansas | 15.47 | $56.43 |
FAQ
How much does it cost to run an electric water heater in Florida?
At 4,000 W and 14.99¢/kWh: $0.60 per hour, $1.80 per day and $54.68 per month at 3 h/day.
How does Florida 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 Florida
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