Cost to Run a Portable Air Conditioner in Mississippi
Mississippi's average residential electricity rate is 16.8¢/kWh as of April 2026 — the 27th cheapest in the country, 11% below the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $40.86 per month.
Per hour
$0.17
at 700–1,500 W
Per day
$1.34
8 hours/day
Per month
$40.86
243 kWh
Per year
$491
2,920 kWh
By usage level in Mississippi
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.67 | $20.43 | $245 |
| Typical (8 hrs/day) | $1.34 | $40.86 | $491 |
| Heavy (16 hrs/day) | $2.69 | $81.72 | $981 |
Mississippi vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a portable air conditioner in Mississippi?
At Mississippi's current average residential rate of 16.8¢/kWh (April 2026), a portable air conditioner with typical usage costs about $1.34 per day, $40.86 per month, or $491 per year.
Is running a portable air conditioner in Mississippi more expensive than average?
No — it's cheaper. Mississippi's rate is about 11% below the U.S. average: $40.86 per month here versus $45.72 nationally.
What does electricity cost in Mississippi right now?
Mississippi residents pay an average of 16.8¢ per kWh as of April 2026 — the 27th cheapest rate of the 51 U.S. jurisdictions we track.