Cost to Run a Aquarium in Texas
Texas's average residential electricity rate is 15.9¢/kWh as of July 2026 — the 22nd cheapest in the country, 13% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $11.60 per month.
Per hour
1.6¢
at 50–300 W
Per day
$0.38
24 hours/day (always on)
Per month
$11.60
73 kWh
Per year
$139
876 kWh
By usage level in Texas
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.19 | $5.80 | $69.64 |
| Typical (24 hrs/day) | $0.38 | $11.60 | $139 |
| Heavy (24 hrs/day) | $0.76 | $23.20 | $279 |
Texas vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Texas?
At Texas's current average residential rate of 15.9¢/kWh (July 2026), a aquarium with typical usage costs about $0.38 per day, $11.60 per month, or $139 per year.
Is running a aquarium in Texas more expensive than average?
No — it's cheaper. Texas's rate is about 13% below the U.S. average: $11.60 per month here versus $13.35 nationally.
What does electricity cost in Texas right now?
Texas residents pay an average of 15.9¢ per kWh as of July 2026 — the 22nd cheapest rate of the 51 U.S. jurisdictions we track.