Billowatt

Cost to Run a Incandescent Bulb in Maryland

Maryland's average residential electricity rate is 22.1¢/kWh as of April 2026 — the 39th cheapest in the country, 18% above the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $2.02 per month.

Per hour

1.3¢

at 40–100 W

Per day

6.6¢

5 hours/day

Per month

$2.02

9.1 kWh

Per year

$24.20

110 kWh

By usage level in Maryland

Usage Per day Per month Per year
Light (2.5 hrs/day) 3.3¢ $1.01 $12.10
Typical (5 hrs/day) 6.6¢ $2.02 $24.20
Heavy (10 hrs/day) $0.13 $4.03 $48.40

Maryland vs. the rest of the country

Monthly cost at typical usage.

Maryland $2.02
South average $1.54
U.S. average $1.71

Frequently asked questions

How much does it cost to run a incandescent bulb in Maryland?

At Maryland's current average residential rate of 22.1¢/kWh (April 2026), a incandescent bulb with typical usage costs about 6.6¢ per day, $2.02 per month, or $24.20 per year.

Is running a incandescent bulb in Maryland more expensive than average?

Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $2.02 per month here versus $1.71 nationally.

What does electricity cost in Maryland right now?

Maryland residents pay an average of 22.1¢ per kWh as of April 2026 — the 39th cheapest rate of the 51 U.S. jurisdictions we track.

Incandescent Bulb costs in nearby states

What else costs to run in Maryland

See the full Maryland electricity cost guide →