Cost to Run a Incandescent Bulb 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 (5 hours/day), a incandescent bulb here costs $1.69 per month.
Per hour
1.1¢
at 40–100 W
Per day
5.5¢
5 hours/day
Per month
$1.69
9.1 kWh
Per year
$20.26
110 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 2.8¢ | $0.84 | $10.13 |
| Typical (5 hrs/day) | 5.5¢ | $1.69 | $20.26 |
| Heavy (10 hrs/day) | $0.11 | $3.37 | $40.52 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Delaware $1.69
South average $1.48
U.S. average $1.67
Frequently asked questions
How much does it cost to run a incandescent bulb in Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a incandescent bulb with typical usage costs about 5.5¢ per day, $1.69 per month, or $20.26 per year.
Is running a incandescent bulb in Delaware more expensive than average?
It's almost exactly the U.S. average: $1.69 per month here versus $1.67 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.
Incandescent Bulb costs in nearby states
Alabama $1.50/mo Arkansas $1.30/mo Washington, D.C. $2.30/mo Florida $1.37/mo Georgia $1.49/mo Kentucky $1.26/mo Louisiana $1.16/mo Maryland $1.95/mo Mississippi $1.32/mo North Carolina $1.39/mo Oklahoma $1.31/mo South Carolina $1.41/mo Tennessee $1.25/mo Texas $1.45/mo Virginia $1.61/mo West Virginia $1.44/mo Louisiana $1.16/mo Hawaii $4.38/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