Cost to Run a Evaporative (Swamp) Cooler in Indiana
Indiana's average residential electricity rate is 16.7¢/kWh as of July 2026 — the 29th cheapest in the country, 9% below the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $16.25 per month.
Per hour
6.7¢
at 100–800 W
Per day
$0.53
8 hours/day
Per month
$16.25
97 kWh
Per year
$195
1,168 kWh
By usage level in Indiana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.27 | $8.12 | $97.53 |
| Typical (8 hrs/day) | $0.53 | $16.25 | $195 |
| Heavy (16 hrs/day) | $1.07 | $32.49 | $390 |
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 16.7¢/kWh (July 2026), a evaporative (swamp) cooler with typical usage costs about $0.53 per day, $16.25 per month, or $195 per year.
Is running a evaporative (swamp) cooler in Indiana more expensive than average?
No — it's cheaper. Indiana's rate is about 9% below the U.S. average: $16.25 per month here versus $17.80 nationally.
What does electricity cost in Indiana right now?
Indiana residents pay an average of 16.7¢ per kWh as of July 2026 — the 29th cheapest rate of the 51 U.S. jurisdictions we track.