Cost to Run a Aquarium in Colorado
Colorado's average residential electricity rate is 16.2¢/kWh as of May 2026 — the 23rd cheapest in the country, 12% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $11.82 per month.
Per hour
1.6¢
at 50–300 W
Per day
$0.39
24 hours/day (always on)
Per month
$11.82
73 kWh
Per year
$142
876 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.19 | $5.91 | $70.96 |
| Typical (24 hrs/day) | $0.39 | $11.82 | $142 |
| Heavy (24 hrs/day) | $0.78 | $23.64 | $284 |
Colorado vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Colorado?
At Colorado's current average residential rate of 16.2¢/kWh (May 2026), a aquarium with typical usage costs about $0.39 per day, $11.82 per month, or $142 per year.
Is running a aquarium in Colorado more expensive than average?
No — it's cheaper. Colorado's rate is about 12% below the U.S. average: $11.82 per month here versus $13.42 nationally.
What does electricity cost in Colorado right now?
Colorado residents pay an average of 16.2¢ per kWh as of May 2026 — the 23rd cheapest rate of the 51 U.S. jurisdictions we track.