Cost to Run a Evaporative (Swamp) Cooler in New Jersey
New Jersey's average residential electricity rate is 23.5¢/kWh as of April 2026 — the 40th cheapest in the country, 25% above the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $22.86 per month.
Per hour
9.4¢
at 100–800 W
Per day
$0.75
8 hours/day
Per month
$22.86
97 kWh
Per year
$274
1,168 kWh
By usage level in New Jersey
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.38 | $11.43 | $137 |
| Typical (8 hrs/day) | $0.75 | $22.86 | $274 |
| Heavy (16 hrs/day) | $1.50 | $45.72 | $549 |
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 23.5¢/kWh (April 2026), a evaporative (swamp) cooler with typical usage costs about $0.75 per day, $22.86 per month, or $274 per year.
Is running a evaporative (swamp) cooler in New Jersey more expensive than average?
Yes. New Jersey's electricity costs about 25% more than the U.S. average, so the same usage costs $22.86 per month here versus $18.29 nationally.
What does electricity cost in New Jersey right now?
New Jersey residents pay an average of 23.5¢ per kWh as of April 2026 — the 40th cheapest rate of the 51 U.S. jurisdictions we track.