Cost to Run a Aquarium in Idaho
Idaho's average residential electricity rate is 12.4¢/kWh as of May 2026 — the 1st cheapest in the country, 33% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $9.05 per month.
Per hour
1.2¢
at 50–300 W
Per day
$0.30
24 hours/day (always on)
Per month
$9.05
73 kWh
Per year
$109
876 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.15 | $4.52 | $54.31 |
| Typical (24 hrs/day) | $0.30 | $9.05 | $109 |
| Heavy (24 hrs/day) | $0.60 | $18.09 | $217 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in Idaho?
At Idaho's current average residential rate of 12.4¢/kWh (May 2026), a aquarium with typical usage costs about $0.30 per day, $9.05 per month, or $109 per year.
Is running a aquarium in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $9.05 per month here versus $13.42 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.4¢ per kWh as of May 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.