Home › Cost to run › Electric Water Heater › Oklahoma
Cost to run an electric water heater in Oklahoma
Advertisement
$0.59/hour
Electric Water Heater at 4,000 W in Oklahoma (14.82¢/kWh) · $54.06/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.59 | $18.02 | $216.37 |
| 2 h/day | $1.19 | $36.04 | $432.74 |
| 3 h/day | $1.78 | $54.06 | $649.12 |
| 4 h/day | $2.37 | $72.08 | $865.49 |
| 8 h/day | $4.74 | $144.17 | $1,730.98 |
| 12 h/day | $7.11 | $216.25 | $2,596.46 |
| 24 h/day | $14.23 | $432.51 | $5,192.93 |
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 |
|---|---|---|
| Oklahoma | 14.82 | $54.06 |
| Mississippi | 14.43 | $52.64 |
| Wyoming | 14.43 | $52.64 |
| Washington | 14.63 | $53.37 |
| North Carolina | 14.95 | $54.54 |
| Florida | 14.99 | $54.68 |
| Arizona | 15.05 | $54.90 |
FAQ
How much does it cost to run an electric water heater in Oklahoma?
At 4,000 W and 14.82¢/kWh: $0.59 per hour, $1.78 per day and $54.06 per month at 3 h/day.
How does Oklahoma 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 Oklahoma
Advertisement
Free calculator by KWhCalc