Cost to Run a Grow Light in Colorado
Colorado's average residential electricity rate is 16.5¢/kWh as of April 2026 — the 26th cheapest in the country, 12% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $21.07 per month.
Per hour
5.0¢
at 100–650 W
Per day
$0.69
14 hours/day
Per month
$21.07
128 kWh
Per year
$253
1,533 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.35 | $10.53 | $126 |
| Typical (14 hrs/day) | $0.69 | $21.07 | $253 |
| Heavy (24 hrs/day) | $1.39 | $42.13 | $506 |
Colorado 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 Colorado?
At Colorado's current average residential rate of 16.5¢/kWh (April 2026), a grow light with typical usage costs about $0.69 per day, $21.07 per month, or $253 per year.
Is running a grow light in Colorado more expensive than average?
No — it's cheaper. Colorado's rate is about 12% below the U.S. average: $21.07 per month here versus $24.00 nationally.
What does electricity cost in Colorado right now?
Colorado residents pay an average of 16.5¢ per kWh as of April 2026 — the 26th cheapest rate of the 51 U.S. jurisdictions we track.