Billowatt

Cost to Run a Grow Light in Alabama

Alabama's average residential electricity rate is 16.8¢/kWh as of May 2026 — the 28th cheapest in the country, 9% below the U.S. average. At typical usage (14 hours/day), a grow light here costs $21.45 per month.

Per hour

5.0¢

at 100–650 W

Per day

$0.71

14 hours/day

Per month

$21.45

128 kWh

Per year

$258

1,533 kWh

By usage level in Alabama

Usage Per day Per month Per year
Light (7 hrs/day) $0.35 $10.73 $129
Typical (14 hrs/day) $0.71 $21.45 $258
Heavy (24 hrs/day) $1.41 $42.90 $515

Alabama vs. the rest of the country

Monthly cost at typical usage.

Alabama $21.45
South average $21.35
U.S. average $23.49

Frequently asked questions

How much does it cost to run a grow light in Alabama?

At Alabama's current average residential rate of 16.8¢/kWh (May 2026), a grow light with typical usage costs about $0.71 per day, $21.45 per month, or $258 per year.

Is running a grow light in Alabama more expensive than average?

No — it's cheaper. Alabama's rate is about 9% below the U.S. average: $21.45 per month here versus $23.49 nationally.

What does electricity cost in Alabama right now?

Alabama residents pay an average of 16.8¢ per kWh as of May 2026 — the 28th cheapest rate of the 51 U.S. jurisdictions we track.

Grow Light costs in nearby states

What else costs to run in Alabama

See the full Alabama electricity cost guide →