Cost to Run a Electric Water Heater in Delaware
Delaware's average residential electricity rate is 18.8¢/kWh as of April 2026 — the 33rd cheapest in the country, 0% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $74.58 per month.
Per hour
$0.85
at 3,500–5,500 W
Per day
$2.45
2.9 hours/day
Per month
$74.58
397 kWh
Per year
$895
4,763 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.23 | $37.29 | $448 |
| Typical (2.9 hrs/day) | $2.45 | $74.58 | $895 |
| Heavy (5.8 hrs/day) | $4.91 | $149 | $1,791 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric water heater in Delaware?
At Delaware's current average residential rate of 18.8¢/kWh (April 2026), a electric water heater with typical usage costs about $2.45 per day, $74.58 per month, or $895 per year.
Is running a electric water heater in Delaware more expensive than average?
It's almost exactly the U.S. average: $74.58 per month here versus $74.58 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.8¢ per kWh as of April 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.