Cost to Run a Central Air Conditioner in North Carolina
North Carolina's average residential electricity rate is 15.2¢/kWh as of July 2026 — the 16th cheapest in the country, 17% below the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $129 per month.
Per hour
$0.53
at 2,000–5,000 W
Per day
$4.26
8 hours/day
Per month
$129
851 kWh
Per year
$1,553
10,220 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.13 | $64.69 | $777 |
| Typical (8 hrs/day) | $4.26 | $129 | $1,553 |
| Heavy (16 hrs/day) | $8.51 | $259 | $3,107 |
North Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a central air conditioner in North Carolina?
At North Carolina's current average residential rate of 15.2¢/kWh (July 2026), a central air conditioner with typical usage costs about $4.26 per day, $129 per month, or $1,553 per year.
Is running a central air conditioner in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 17% below the U.S. average: $129 per month here versus $156 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 15.2¢ per kWh as of July 2026 — the 16th cheapest rate of the 51 U.S. jurisdictions we track.