Cost to Run a Evaporative (Swamp) Cooler in Rhode Island
Rhode Island's average residential electricity rate is 28.3¢/kWh as of April 2026 — the 45th cheapest in the country, 51% above the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $27.53 per month.
Per hour
$0.11
at 100–800 W
Per day
$0.91
8 hours/day
Per month
$27.53
97 kWh
Per year
$331
1,168 kWh
By usage level in Rhode Island
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.45 | $13.77 | $165 |
| Typical (8 hrs/day) | $0.91 | $27.53 | $331 |
| Heavy (16 hrs/day) | $1.81 | $55.06 | $661 |
Rhode Island 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 Rhode Island?
At Rhode Island's current average residential rate of 28.3¢/kWh (April 2026), a evaporative (swamp) cooler with typical usage costs about $0.91 per day, $27.53 per month, or $331 per year.
Is running a evaporative (swamp) cooler in Rhode Island more expensive than average?
Yes. Rhode Island's electricity costs about 51% more than the U.S. average, so the same usage costs $27.53 per month here versus $18.29 nationally.
What does electricity cost in Rhode Island right now?
Rhode Island residents pay an average of 28.3¢ per kWh as of April 2026 — the 45th cheapest rate of the 51 U.S. jurisdictions we track.