Cost to Run a Aquarium in South Dakota
South Dakota's average residential electricity rate is 14.5¢/kWh as of April 2026 — the 13th cheapest in the country, 23% below the U.S. average. At typical usage (24 hours/day (always on)), a aquarium here costs $10.58 per month.
Per hour
1.4¢
at 50–300 W
Per day
$0.35
24 hours/day (always on)
Per month
$10.58
73 kWh
Per year
$127
876 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.17 | $5.29 | $63.51 |
| Typical (24 hrs/day) | $0.35 | $10.58 | $127 |
| Heavy (24 hrs/day) | $0.70 | $21.16 | $254 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a aquarium in South Dakota?
At South Dakota's current average residential rate of 14.5¢/kWh (April 2026), a aquarium with typical usage costs about $0.35 per day, $10.58 per month, or $127 per year.
Is running a aquarium in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 23% below the U.S. average: $10.58 per month here versus $13.72 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 14.5¢ per kWh as of April 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.