Cost to Run a Aquarium 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 (24 hours/day (always on)), a aquarium here costs $13.50 per month.
Per hour
1.8¢
at 50–300 W
Per day
$0.44
24 hours/day (always on)
Per month
$13.50
73 kWh
Per year
$162
876 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.22 | $6.75 | $81.03 |
| Typical (24 hrs/day) | $0.44 | $13.50 | $162 |
| Heavy (24 hrs/day) | $0.89 | $27.00 | $324 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a aquarium with typical usage costs about $0.44 per day, $13.50 per month, or $162 per year.
Is running a aquarium in Delaware more expensive than average?
It's almost exactly the U.S. average: $13.50 per month here versus $13.35 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.