Cost to Run a Evaporative (Swamp) Cooler in New Jersey
New Jersey's average residential electricity rate is 23.3¢/kWh as of May 2026 — the 39th cheapest in the country, 27% above the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $22.67 per month.
Per hour
9.3¢
at 100–800 W
Per day
$0.75
8 hours/day
Per month
$22.67
97 kWh
Per year
$272
1,168 kWh
By usage level in New Jersey
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.37 | $11.33 | $136 |
| Typical (8 hrs/day) | $0.75 | $22.67 | $272 |
| Heavy (16 hrs/day) | $1.49 | $45.33 | $544 |
New Jersey 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 New Jersey?
At New Jersey's current average residential rate of 23.3¢/kWh (May 2026), a evaporative (swamp) cooler with typical usage costs about $0.75 per day, $22.67 per month, or $272 per year.
Is running a evaporative (swamp) cooler in New Jersey more expensive than average?
Yes. New Jersey's electricity costs about 27% more than the U.S. average, so the same usage costs $22.67 per month here versus $17.90 nationally.
What does electricity cost in New Jersey right now?
New Jersey residents pay an average of 23.3¢ per kWh as of May 2026 — the 39th cheapest rate of the 51 U.S. jurisdictions we track.