Cost to Run a Portable Air Conditioner in North Carolina
North Carolina's average residential electricity rate is 16.3¢/kWh as of April 2026 — the 24th cheapest in the country, 13% below the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $39.64 per month.
Per hour
$0.16
at 700–1,500 W
Per day
$1.30
8 hours/day
Per month
$39.64
243 kWh
Per year
$476
2,920 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.65 | $19.82 | $238 |
| Typical (8 hrs/day) | $1.30 | $39.64 | $476 |
| Heavy (16 hrs/day) | $2.61 | $79.28 | $952 |
North Carolina 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 North Carolina?
At North Carolina's current average residential rate of 16.3¢/kWh (April 2026), a portable air conditioner with typical usage costs about $1.30 per day, $39.64 per month, or $476 per year.
Is running a portable air conditioner in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 13% below the U.S. average: $39.64 per month here versus $45.72 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 16.3¢ per kWh as of April 2026 — the 24th cheapest rate of the 51 U.S. jurisdictions we track.