Cost to Run a Window Air Conditioner in Wisconsin
Wisconsin's average residential electricity rate is 19.2¢/kWh as of April 2026 — the 34th cheapest in the country, 2% above the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $42.02 per month.
Per hour
$0.17
at 500–1,500 W
Per day
$1.38
8 hours/day
Per month
$42.02
219 kWh
Per year
$505
2,628 kWh
By usage level in Wisconsin
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.69 | $21.01 | $252 |
| Typical (8 hrs/day) | $1.38 | $42.02 | $505 |
| Heavy (16 hrs/day) | $2.76 | $84.05 | $1,009 |
Wisconsin vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a window air conditioner in Wisconsin?
At Wisconsin's current average residential rate of 19.2¢/kWh (April 2026), a window air conditioner with typical usage costs about $1.38 per day, $42.02 per month, or $505 per year.
Is running a window air conditioner in Wisconsin more expensive than average?
Yes. Wisconsin's electricity costs about 2% more than the U.S. average, so the same usage costs $42.02 per month here versus $41.15 nationally.
What does electricity cost in Wisconsin right now?
Wisconsin residents pay an average of 19.2¢ per kWh as of April 2026 — the 34th cheapest rate of the 51 U.S. jurisdictions we track.