Cost to Run a Grow Light in Arkansas
Arkansas's average residential electricity rate is 14.3¢/kWh as of July 2026 — the 9th cheapest in the country, 22% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $18.26 per month.
Per hour
4.3¢
at 100–650 W
Per day
$0.60
14 hours/day
Per month
$18.26
128 kWh
Per year
$219
1,533 kWh
By usage level in Arkansas
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.30 | $9.13 | $110 |
| Typical (14 hrs/day) | $0.60 | $18.26 | $219 |
| Heavy (24 hrs/day) | $1.20 | $36.52 | $438 |
Arkansas vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a grow light in Arkansas?
At Arkansas's current average residential rate of 14.3¢/kWh (July 2026), a grow light with typical usage costs about $0.60 per day, $18.26 per month, or $219 per year.
Is running a grow light in Arkansas more expensive than average?
No — it's cheaper. Arkansas's rate is about 22% below the U.S. average: $18.26 per month here versus $23.37 nationally.
What does electricity cost in Arkansas right now?
Arkansas residents pay an average of 14.3¢ per kWh as of July 2026 — the 9th cheapest rate of the 51 U.S. jurisdictions we track.