Cost to Run a Grow Light in Mississippi
Mississippi's average residential electricity rate is 16.8¢/kWh as of April 2026 — the 27th cheapest in the country, 11% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $21.45 per month.
Per hour
5.0¢
at 100–650 W
Per day
$0.71
14 hours/day
Per month
$21.45
128 kWh
Per year
$258
1,533 kWh
By usage level in Mississippi
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.35 | $10.73 | $129 |
| Typical (14 hrs/day) | $0.71 | $21.45 | $258 |
| Heavy (24 hrs/day) | $1.41 | $42.90 | $515 |
Mississippi 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 Mississippi?
At Mississippi's current average residential rate of 16.8¢/kWh (April 2026), a grow light with typical usage costs about $0.71 per day, $21.45 per month, or $258 per year.
Is running a grow light in Mississippi more expensive than average?
No — it's cheaper. Mississippi's rate is about 11% below the U.S. average: $21.45 per month here versus $24.00 nationally.
What does electricity cost in Mississippi right now?
Mississippi residents pay an average of 16.8¢ per kWh as of April 2026 — the 27th cheapest rate of the 51 U.S. jurisdictions we track.