Cost to Run a Electric Water Heater in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $73.39 per month.
Per hour
$0.83
at 3,500–5,500 W
Per day
$2.41
2.9 hours/day
Per month
$73.39
397 kWh
Per year
$881
4,763 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.21 | $36.70 | $441 |
| Typical (2.9 hrs/day) | $2.41 | $73.39 | $881 |
| Heavy (5.8 hrs/day) | $4.83 | $147 | $1,762 |
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 18.5¢/kWh (July 2026), a electric water heater with typical usage costs about $2.41 per day, $73.39 per month, or $881 per year.
Is running a electric water heater in Delaware more expensive than average?
It's almost exactly the U.S. average: $73.39 per month here versus $72.60 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.