Cost to Run a Grow Light in Kentucky
Kentucky's average residential electricity rate is 13.8¢/kWh as of July 2026 — the 7th cheapest in the country, 25% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $17.62 per month.
Per hour
4.1¢
at 100–650 W
Per day
$0.58
14 hours/day
Per month
$17.62
128 kWh
Per year
$212
1,533 kWh
By usage level in Kentucky
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.29 | $8.81 | $106 |
| Typical (14 hrs/day) | $0.58 | $17.62 | $212 |
| Heavy (24 hrs/day) | $1.16 | $35.24 | $423 |
Kentucky 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 Kentucky?
At Kentucky's current average residential rate of 13.8¢/kWh (July 2026), a grow light with typical usage costs about $0.58 per day, $17.62 per month, or $212 per year.
Is running a grow light in Kentucky more expensive than average?
No — it's cheaper. Kentucky's rate is about 25% below the U.S. average: $17.62 per month here versus $23.37 nationally.
What does electricity cost in Kentucky right now?
Kentucky residents pay an average of 13.8¢ per kWh as of July 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.