Cost to Run a Grow Light in North Carolina
North Carolina's average residential electricity rate is 16.3¢/kWh as of April 2026 — the 24th cheapest in the country, 13% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $20.81 per month.
Per hour
4.9¢
at 100–650 W
Per day
$0.68
14 hours/day
Per month
$20.81
128 kWh
Per year
$250
1,533 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.34 | $10.41 | $125 |
| Typical (14 hrs/day) | $0.68 | $20.81 | $250 |
| Heavy (24 hrs/day) | $1.37 | $41.62 | $500 |
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 16.3¢/kWh (April 2026), a grow light with typical usage costs about $0.68 per day, $20.81 per month, or $250 per year.
Is running a grow light in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 13% below the U.S. average: $20.81 per month here versus $24.00 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 16.3¢ per kWh as of April 2026 — the 24th cheapest rate of the 51 U.S. jurisdictions we track.