Cost to Run a Evaporative (Swamp) Cooler in Indiana
Indiana's average residential electricity rate is 18.2¢/kWh as of May 2026 — the 32nd cheapest in the country, 1% below the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $17.70 per month.
Per hour
7.3¢
at 100–800 W
Per day
$0.58
8 hours/day
Per month
$17.70
97 kWh
Per year
$213
1,168 kWh
By usage level in Indiana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.29 | $8.85 | $106 |
| Typical (8 hrs/day) | $0.58 | $17.70 | $213 |
| Heavy (16 hrs/day) | $1.16 | $35.41 | $425 |
Indiana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a evaporative (swamp) cooler in Indiana?
At Indiana's current average residential rate of 18.2¢/kWh (May 2026), a evaporative (swamp) cooler with typical usage costs about $0.58 per day, $17.70 per month, or $213 per year.
Is running a evaporative (swamp) cooler in Indiana more expensive than average?
It's almost exactly the U.S. average: $17.70 per month here versus $17.90 nationally.
What does electricity cost in Indiana right now?
Indiana residents pay an average of 18.2¢ per kWh as of May 2026 — the 32nd cheapest rate of the 51 U.S. jurisdictions we track.