Home › Cost to run › Electric Water Heater › Illinois
Cost to run an electric water heater in Illinois
Advertisement
$0.77/hour
Electric Water Heater at 4,000 W in Illinois (19.32¢/kWh) · $70.48/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.77 | $23.49 | $282.07 |
| 2 h/day | $1.55 | $46.99 | $564.14 |
| 3 h/day | $2.32 | $70.48 | $846.22 |
| 4 h/day | $3.09 | $93.97 | $1,128.29 |
| 8 h/day | $6.18 | $187.94 | $2,256.58 |
| 12 h/day | $9.27 | $281.92 | $3,384.86 |
| 24 h/day | $18.55 | $563.83 | $6,769.73 |
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
FAQ
How much does it cost to run an electric water heater in Illinois?
At 4,000 W and 19.32¢/kWh: $0.77 per hour, $2.32 per day and $70.48 per month at 3 h/day.
How does Illinois 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 Illinois
Advertisement
Free calculator by KWhCalc