Cost to Run a Grow Light in Connecticut
Connecticut's average residential electricity rate is 32.2¢/kWh as of April 2026 — the 49th cheapest in the country, 71% above the U.S. average. At typical usage (14 hours/day), a grow light here costs $41.11 per month.
Per hour
$0.10
at 100–650 W
Per day
$1.35
14 hours/day
Per month
$41.11
128 kWh
Per year
$494
1,533 kWh
By usage level in Connecticut
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.68 | $20.56 | $247 |
| Typical (14 hrs/day) | $1.35 | $41.11 | $494 |
| Heavy (24 hrs/day) | $2.70 | $82.23 | $987 |
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 32.2¢/kWh (April 2026), a grow light with typical usage costs about $1.35 per day, $41.11 per month, or $494 per year.
Is running a grow light in Connecticut more expensive than average?
Yes. Connecticut's electricity costs about 71% more than the U.S. average, so the same usage costs $41.11 per month here versus $24.00 nationally.
What does electricity cost in Connecticut right now?
Connecticut residents pay an average of 32.2¢ per kWh as of April 2026 — the 49th cheapest rate of the 51 U.S. jurisdictions we track.