Cost to Run a Grow Light in Wisconsin
Wisconsin's average residential electricity rate is 19.7¢/kWh as of May 2026 — the 35th cheapest in the country, 7% above the U.S. average. At typical usage (14 hours/day), a grow light here costs $25.15 per month.
Per hour
5.9¢
at 100–650 W
Per day
$0.83
14 hours/day
Per month
$25.15
128 kWh
Per year
$302
1,533 kWh
By usage level in Wisconsin
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.41 | $12.58 | $151 |
| Typical (14 hrs/day) | $0.83 | $25.15 | $302 |
| Heavy (24 hrs/day) | $1.65 | $50.31 | $604 |
Wisconsin 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 Wisconsin?
At Wisconsin's current average residential rate of 19.7¢/kWh (May 2026), a grow light with typical usage costs about $0.83 per day, $25.15 per month, or $302 per year.
Is running a grow light in Wisconsin more expensive than average?
Yes. Wisconsin's electricity costs about 7% more than the U.S. average, so the same usage costs $25.15 per month here versus $23.49 nationally.
What does electricity cost in Wisconsin right now?
Wisconsin residents pay an average of 19.7¢ per kWh as of May 2026 — the 35th cheapest rate of the 51 U.S. jurisdictions we track.