Cost to Run a Grow Light in Connecticut
Connecticut's average residential electricity rate is 24.2¢/kWh as of July 2026 — the 41st cheapest in the country, 32% above the U.S. average. At typical usage (14 hours/day), a grow light here costs $30.90 per month.
Per hour
7.3¢
at 100–650 W
Per day
$1.02
14 hours/day
Per month
$30.90
128 kWh
Per year
$371
1,533 kWh
By usage level in Connecticut
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.51 | $15.45 | $185 |
| Typical (14 hrs/day) | $1.02 | $30.90 | $371 |
| Heavy (24 hrs/day) | $2.03 | $61.80 | $742 |
Connecticut 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 Connecticut?
At Connecticut's current average residential rate of 24.2¢/kWh (July 2026), a grow light with typical usage costs about $1.02 per day, $30.90 per month, or $371 per year.
Is running a grow light in Connecticut more expensive than average?
Yes. Connecticut's electricity costs about 32% more than the U.S. average, so the same usage costs $30.90 per month here versus $23.37 nationally.
What does electricity cost in Connecticut right now?
Connecticut residents pay an average of 24.2¢ per kWh as of July 2026 — the 41st cheapest rate of the 51 U.S. jurisdictions we track.