Cost to Run a Electric Water Heater 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 (2.9 hours/day), a electric water heater here costs $76.96 per month.
Per hour
$0.87
at 3,500–5,500 W
Per day
$2.53
2.9 hours/day
Per month
$76.96
397 kWh
Per year
$924
4,763 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.27 | $38.48 | $462 |
| Typical (2.9 hrs/day) | $2.53 | $76.96 | $924 |
| Heavy (5.8 hrs/day) | $5.06 | $154 | $1,848 |
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 19.4¢/kWh (May 2026), a electric water heater with typical usage costs about $2.53 per day, $76.96 per month, or $924 per year.
Is running a electric water heater in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $76.96 per month here versus $73.00 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.