Cost to Run a Pool Heater (Heat Pump) in Illinois
Illinois's average residential electricity rate is 23.9¢/kWh as of May 2026 — the 40th cheapest in the country, 30% above the U.S. average. At typical usage (4 hours/day), a pool heater (heat pump) here costs $145 per month.
Per hour
$1.19
at 4,000–11,000 W
Per day
$4.78
4 hours/day
Per month
$145
608 kWh
Per year
$1,745
7,300 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $2.39 | $72.66 | $872 |
| Typical (4 hrs/day) | $4.78 | $145 | $1,745 |
| Heavy (8 hrs/day) | $9.56 | $291 | $3,489 |
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 23.9¢/kWh (May 2026), a pool heater (heat pump) with typical usage costs about $4.78 per day, $145 per month, or $1,745 per year.
Is running a pool heater (heat pump) in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $145 per month here versus $112 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 23.9¢ per kWh as of May 2026 — the 40th cheapest rate of the 51 U.S. jurisdictions we track.