Cost to Run a Grow Light in Maine
Maine's average residential electricity rate is 28.4¢/kWh as of April 2026 — the 46th cheapest in the country, 51% above the U.S. average. At typical usage (14 hours/day), a grow light here costs $36.26 per month.
Per hour
8.5¢
at 100–650 W
Per day
$1.19
14 hours/day
Per month
$36.26
128 kWh
Per year
$435
1,533 kWh
By usage level in Maine
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.60 | $18.13 | $218 |
| Typical (14 hrs/day) | $1.19 | $36.26 | $435 |
| Heavy (24 hrs/day) | $2.39 | $72.52 | $871 |
Maine 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 Maine?
At Maine's current average residential rate of 28.4¢/kWh (April 2026), a grow light with typical usage costs about $1.19 per day, $36.26 per month, or $435 per year.
Is running a grow light in Maine more expensive than average?
Yes. Maine's electricity costs about 51% more than the U.S. average, so the same usage costs $36.26 per month here versus $24.00 nationally.
What does electricity cost in Maine right now?
Maine residents pay an average of 28.4¢ per kWh as of April 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.