Cost to Run a Grow Light in North Carolina
North Carolina's average residential electricity rate is 15.2¢/kWh as of July 2026 — the 16th cheapest in the country, 17% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $19.41 per month.
Per hour
4.6¢
at 100–650 W
Per day
$0.64
14 hours/day
Per month
$19.41
128 kWh
Per year
$233
1,533 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.32 | $9.70 | $117 |
| Typical (14 hrs/day) | $0.64 | $19.41 | $233 |
| Heavy (24 hrs/day) | $1.28 | $38.81 | $466 |
North Carolina 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 North Carolina?
At North Carolina's current average residential rate of 15.2¢/kWh (July 2026), a grow light with typical usage costs about $0.64 per day, $19.41 per month, or $233 per year.
Is running a grow light in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 17% below the U.S. average: $19.41 per month here versus $23.37 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 15.2¢ per kWh as of July 2026 — the 16th cheapest rate of the 51 U.S. jurisdictions we track.