Cost to Run a Humidifier in North Carolina
North Carolina's average residential electricity rate is 15.1¢/kWh as of May 2026 — the 18th cheapest in the country, 18% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.84 per month.
Per hour
0.6¢
at 20–300 W
Per day
6.0¢
10 hours/day
Per month
$1.84
12 kWh
Per year
$22.05
146 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.0¢ | $0.92 | $11.02 |
| Typical (10 hrs/day) | 6.0¢ | $1.84 | $22.05 |
| Heavy (20 hrs/day) | $0.12 | $3.67 | $44.09 |
North Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in North Carolina?
At North Carolina's current average residential rate of 15.1¢/kWh (May 2026), a humidifier with typical usage costs about 6.0¢ per day, $1.84 per month, or $22.05 per year.
Is running a humidifier in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 18% below the U.S. average: $1.84 per month here versus $2.24 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 15.1¢ per kWh as of May 2026 — the 18th cheapest rate of the 51 U.S. jurisdictions we track.