Cost to Run a Grow Light in Missouri
Missouri's average residential electricity rate is 14¢/kWh as of April 2026 — the 8th cheapest in the country, 26% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $17.88 per month.
Per hour
4.2¢
at 100–650 W
Per day
$0.59
14 hours/day
Per month
$17.88
128 kWh
Per year
$215
1,533 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.29 | $8.94 | $107 |
| Typical (14 hrs/day) | $0.59 | $17.88 | $215 |
| Heavy (24 hrs/day) | $1.18 | $35.75 | $429 |
Missouri 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 Missouri?
At Missouri's current average residential rate of 14¢/kWh (April 2026), a grow light with typical usage costs about $0.59 per day, $17.88 per month, or $215 per year.
Is running a grow light in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $17.88 per month here versus $24.00 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 14¢ per kWh as of April 2026 — the 8th cheapest rate of the 51 U.S. jurisdictions we track.