Cost to Run a Aquarium in Colorado
Colorado's average residential electricity rate is 17¢/kWh as of July 2026 — the 30th cheapest in the country, 7% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $12.40 per month.
Per hour
1.7¢
at 50–300 W
Per day
$0.41
24 hours/day (always on)
Per month
$12.40
73 kWh
Per year
$149
876 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.20 | $6.20 | $74.46 |
| Typical (24 hrs/day) | $0.41 | $12.40 | $149 |
| Heavy (24 hrs/day) | $0.82 | $24.81 | $298 |
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 17¢/kWh (July 2026), a aquarium with typical usage costs about $0.41 per day, $12.40 per month, or $149 per year.
Is running a aquarium in Colorado more expensive than average?
No — it's cheaper. Colorado's rate is about 7% below the U.S. average: $12.40 per month here versus $13.35 nationally.
What does electricity cost in Colorado right now?
Colorado residents pay an average of 17¢ per kWh as of July 2026 — the 30th cheapest rate of the 51 U.S. jurisdictions we track.