Cost to Run a Grow Light in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (14 hours/day), a grow light here costs $23.62 per month.
Per hour
5.5¢
at 100–650 W
Per day
$0.78
14 hours/day
Per month
$23.62
128 kWh
Per year
$284
1,533 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (7 hrs/day) | $0.39 | $11.81 | $142 |
| Typical (14 hrs/day) | $0.78 | $23.62 | $284 |
| Heavy (24 hrs/day) | $1.55 | $47.24 | $567 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Delaware $23.62
South average $20.74
U.S. average $23.37
Frequently asked questions
How much does it cost to run a grow light in Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a grow light with typical usage costs about $0.78 per day, $23.62 per month, or $284 per year.
Is running a grow light in Delaware more expensive than average?
It's almost exactly the U.S. average: $23.62 per month here versus $23.37 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.
Grow Light costs in nearby states
Alabama $20.94/mo Arkansas $18.26/mo Washington, D.C. $32.18/mo Florida $19.15/mo Georgia $20.81/mo Kentucky $17.62/mo Louisiana $16.22/mo Maryland $27.32/mo Mississippi $18.51/mo North Carolina $19.41/mo Oklahoma $18.39/mo South Carolina $19.79/mo Tennessee $17.49/mo Texas $20.30/mo Virginia $22.47/mo West Virginia $20.17/mo Louisiana $16.22/mo Hawaii $61.29/mo
What else costs to run in Delaware
Electric Furnace $337/mo Central Air Conditioner $157/mo Heat Pump $135/mo Pool Heater (Heat Pump) $112/mo Garage Heater $84.36/mo Electric Water Heater $73.39/mo Tankless Electric Water Heater $70.86/mo Space Heater $67.49/mo Baseboard Heater $67.49/mo Oil-Filled Radiator Heater $67.49/mo Pool Pump $67.49/mo EV Charging (Level 2, Home) $56.24/mo