Cost to Run a Incandescent Bulb in Maryland
Maryland's average residential electricity rate is 21.8¢/kWh as of May 2026 — the 37th cheapest in the country, 18% above the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $1.99 per month.
Per hour
1.3¢
at 40–100 W
Per day
6.5¢
5 hours/day
Per month
$1.99
9.1 kWh
Per year
$23.87
110 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 3.3¢ | $0.99 | $11.94 |
| Typical (5 hrs/day) | 6.5¢ | $1.99 | $23.87 |
| Heavy (10 hrs/day) | $0.13 | $3.98 | $47.74 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a incandescent bulb in Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a incandescent bulb with typical usage costs about 6.5¢ per day, $1.99 per month, or $23.87 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 $1.99 per month here versus $1.68 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.8¢ per kWh as of May 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.