Cost to Run a Humidifier in Delaware
Delaware's average residential electricity rate is 19.4¢/kWh as of May 2026 — the 33rd cheapest in the country, 5% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $2.36 per month.
Per hour
0.8¢
at 20–300 W
Per day
7.8¢
10 hours/day
Per month
$2.36
12 kWh
Per year
$28.32
146 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.9¢ | $1.18 | $14.16 |
| Typical (10 hrs/day) | 7.8¢ | $2.36 | $28.32 |
| Heavy (20 hrs/day) | $0.16 | $4.72 | $56.65 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Delaware?
At Delaware's current average residential rate of 19.4¢/kWh (May 2026), a humidifier with typical usage costs about 7.8¢ per day, $2.36 per month, or $28.32 per year.
Is running a humidifier in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $2.36 per month here versus $2.24 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 19.4¢ per kWh as of May 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.