Cost to Run a Aquarium in Rhode Island
Rhode Island's average residential electricity rate is 29.5¢/kWh as of May 2026 — the 48th cheapest in the country, 60% above the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $21.52 per month.
Per hour
2.9¢
at 50–300 W
Per day
$0.71
24 hours/day (always on)
Per month
$21.52
73 kWh
Per year
$258
876 kWh
By usage level in Rhode Island
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.35 | $10.76 | $129 |
| Typical (24 hrs/day) | $0.71 | $21.52 | $258 |
| Heavy (24 hrs/day) | $1.42 | $43.05 | $517 |
Rhode Island vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Rhode Island?
At Rhode Island's current average residential rate of 29.5¢/kWh (May 2026), a aquarium with typical usage costs about $0.71 per day, $21.52 per month, or $258 per year.
Is running a aquarium in Rhode Island more expensive than average?
Yes. Rhode Island's electricity costs about 60% more than the U.S. average, so the same usage costs $21.52 per month here versus $13.42 nationally.
What does electricity cost in Rhode Island right now?
Rhode Island residents pay an average of 29.5¢ per kWh as of May 2026 — the 48th cheapest rate of the 51 U.S. jurisdictions we track.