Cost to Run a Aquarium in Colorado
Colorado's average residential electricity rate is 16.5¢/kWh as of April 2026 — the 26th cheapest in the country, 12% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $12.04 per month.
Per hour
1.7¢
at 50–300 W
Per day
$0.40
24 hours/day (always on)
Per month
$12.04
73 kWh
Per year
$145
876 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.20 | $6.02 | $72.27 |
| Typical (24 hrs/day) | $0.40 | $12.04 | $145 |
| Heavy (24 hrs/day) | $0.79 | $24.08 | $289 |
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 16.5¢/kWh (April 2026), a aquarium with typical usage costs about $0.40 per day, $12.04 per month, or $145 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: $12.04 per month here versus $13.72 nationally.
What does electricity cost in Colorado right now?
Colorado residents pay an average of 16.5¢ per kWh as of April 2026 — the 26th cheapest rate of the 51 U.S. jurisdictions we track.