Cost to Run a Aquarium 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 (24 hours/day (always on)), a aquarium here costs $14.15 per month.
Per hour
1.9¢
at 50–300 W
Per day
$0.47
24 hours/day (always on)
Per month
$14.15
73 kWh
Per year
$170
876 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.23 | $7.08 | $84.97 |
| Typical (24 hrs/day) | $0.47 | $14.15 | $170 |
| Heavy (24 hrs/day) | $0.93 | $28.31 | $340 |
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 19.4¢/kWh (May 2026), a aquarium with typical usage costs about $0.47 per day, $14.15 per month, or $170 per year.
Is running a aquarium in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $14.15 per month here versus $13.42 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.