Cost to Run a Aquarium in Maryland
Maryland's average residential electricity rate is 22.1¢/kWh as of April 2026 — the 39th cheapest in the country, 18% above the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $16.12 per month.
Per hour
2.2¢
at 50–300 W
Per day
$0.53
24 hours/day (always on)
Per month
$16.12
73 kWh
Per year
$194
876 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.27 | $8.06 | $96.80 |
| Typical (24 hrs/day) | $0.53 | $16.12 | $194 |
| Heavy (24 hrs/day) | $1.06 | $32.25 | $387 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Maryland?
At Maryland's current average residential rate of 22.1¢/kWh (April 2026), a aquarium with typical usage costs about $0.53 per day, $16.12 per month, or $194 per year.
Is running a aquarium in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $16.12 per month here versus $13.72 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 22.1¢ per kWh as of April 2026 — the 39th cheapest rate of the 51 U.S. jurisdictions we track.