Cost to Run a Grow Light in Louisiana
Louisiana's average residential electricity rate is 12.7¢/kWh as of July 2026 — the 1st cheapest in the country, 31% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $16.22 per month.
Per hour
3.8¢
at 100–650 W
Per day
$0.53
14 hours/day
Per month
$16.22
128 kWh
Per year
$195
1,533 kWh
By usage level in Louisiana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.27 | $8.11 | $97.35 |
| Typical (14 hrs/day) | $0.53 | $16.22 | $195 |
| Heavy (24 hrs/day) | $1.07 | $32.43 | $389 |
Louisiana 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 Louisiana?
At Louisiana's current average residential rate of 12.7¢/kWh (July 2026), a grow light with typical usage costs about $0.53 per day, $16.22 per month, or $195 per year.
Is running a grow light in Louisiana more expensive than average?
No — it's cheaper. Louisiana's rate is about 31% below the U.S. average: $16.22 per month here versus $23.37 nationally.
What does electricity cost in Louisiana right now?
Louisiana residents pay an average of 12.7¢ per kWh as of July 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.