Home › Cost to run › Electric Water Heater › Louisiana
Cost to run an electric water heater in Louisiana
Advertisement
$0.51/hour
Electric Water Heater at 4,000 W in Louisiana (12.87¢/kWh) · $46.95/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.51 | $15.65 | $187.90 |
| 2 h/day | $1.03 | $31.30 | $375.80 |
| 3 h/day | $1.54 | $46.95 | $563.71 |
| 4 h/day | $2.06 | $62.60 | $751.61 |
| 8 h/day | $4.12 | $125.20 | $1,503.22 |
| 12 h/day | $6.18 | $187.80 | $2,254.82 |
| 24 h/day | $12.36 | $375.60 | $4,509.65 |
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 |
|---|---|---|
| Louisiana | 12.87 | $46.95 |
| Nevada | 12.72 | $46.40 |
| North Dakota | 13.31 | $48.55 |
| Utah | 13.31 | $48.55 |
| Idaho | 13.37 | $48.77 |
FAQ
How much does it cost to run an electric water heater in Louisiana?
At 4,000 W and 12.87¢/kWh: $0.51 per hour, $1.54 per day and $46.95 per month at 3 h/day.
How does Louisiana 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 Louisiana
Advertisement
Free calculator by KWhCalc