Billowatt

Cost to Run a Evaporative (Swamp) Cooler in Virginia

Virginia's average residential electricity rate is 17.4¢/kWh as of April 2026 — the 31st cheapest in the country, 7% below the U.S. average. At typical usage (8 hours/day), a evaporative (swamp) cooler here costs $16.93 per month.

Per hour

7.0¢

at 100–800 W

Per day

$0.56

8 hours/day

Per month

$16.93

97 kWh

Per year

$203

1,168 kWh

By usage level in Virginia

Usage Per day Per month Per year
Light (4 hrs/day) $0.28 $8.46 $102
Typical (8 hrs/day) $0.56 $16.93 $203
Heavy (16 hrs/day) $1.11 $33.85 $406

Virginia vs. the rest of the country

Monthly cost at typical usage.

Virginia $16.93
South average $16.42
U.S. average $18.29

Frequently asked questions

How much does it cost to run a evaporative (swamp) cooler in Virginia?

At Virginia's current average residential rate of 17.4¢/kWh (April 2026), a evaporative (swamp) cooler with typical usage costs about $0.56 per day, $16.93 per month, or $203 per year.

Is running a evaporative (swamp) cooler in Virginia more expensive than average?

No — it's cheaper. Virginia's rate is about 7% below the U.S. average: $16.93 per month here versus $18.29 nationally.

What does electricity cost in Virginia right now?

Virginia residents pay an average of 17.4¢ per kWh as of April 2026 — the 31st cheapest rate of the 51 U.S. jurisdictions we track.

Evaporative (Swamp) Cooler costs in nearby states

What else costs to run in Virginia

See the full Virginia electricity cost guide →