Cost to Run a Pool Heater (Heat Pump) in Illinois
Illinois's average residential electricity rate is 20.5¢/kWh as of April 2026 — the 36th cheapest in the country, 9% above the U.S. average. At typical usage (4 hours/day), a pool heater (heat pump) here costs $125 per month.
Per hour
$1.02
at 4,000–11,000 W
Per day
$4.10
4 hours/day
Per month
$125
608 kWh
Per year
$1,497
7,300 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $2.05 | $62.32 | $748 |
| Typical (4 hrs/day) | $4.10 | $125 | $1,497 |
| Heavy (8 hrs/day) | $8.20 | $249 | $2,993 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a pool heater (heat pump) in Illinois?
At Illinois's current average residential rate of 20.5¢/kWh (April 2026), a pool heater (heat pump) with typical usage costs about $4.10 per day, $125 per month, or $1,497 per year.
Is running a pool heater (heat pump) in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $125 per month here versus $114 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 20.5¢ per kWh as of April 2026 — the 36th cheapest rate of the 51 U.S. jurisdictions we track.