Cost to Run a Grow Light in Texas
Texas's average residential electricity rate is 15.9¢/kWh as of July 2026 — the 22nd cheapest in the country, 13% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $20.30 per month.
Per hour
4.8¢
at 100–650 W
Per day
$0.67
14 hours/day
Per month
$20.30
128 kWh
Per year
$244
1,533 kWh
By usage level in Texas
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.33 | $10.15 | $122 |
| Typical (14 hrs/day) | $0.67 | $20.30 | $244 |
| Heavy (24 hrs/day) | $1.34 | $40.60 | $487 |
Texas 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 Texas?
At Texas's current average residential rate of 15.9¢/kWh (July 2026), a grow light with typical usage costs about $0.67 per day, $20.30 per month, or $244 per year.
Is running a grow light in Texas more expensive than average?
No — it's cheaper. Texas's rate is about 13% below the U.S. average: $20.30 per month here versus $23.37 nationally.
What does electricity cost in Texas right now?
Texas residents pay an average of 15.9¢ per kWh as of July 2026 — the 22nd cheapest rate of the 51 U.S. jurisdictions we track.