Cost to Run a Incandescent Bulb in Pennsylvania
Pennsylvania's average residential electricity rate is 21.5¢/kWh as of April 2026 — the 38th cheapest in the country, 14% above the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $1.96 per month.
Per hour
1.3¢
at 40–100 W
Per day
6.5¢
5 hours/day
Per month
$1.96
9.1 kWh
Per year
$23.54
110 kWh
By usage level in Pennsylvania
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 3.2¢ | $0.98 | $11.77 |
| Typical (5 hrs/day) | 6.5¢ | $1.96 | $23.54 |
| Heavy (10 hrs/day) | $0.13 | $3.92 | $47.09 |
Pennsylvania 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 Pennsylvania?
At Pennsylvania's current average residential rate of 21.5¢/kWh (April 2026), a incandescent bulb with typical usage costs about 6.5¢ per day, $1.96 per month, or $23.54 per year.
Is running a incandescent bulb in Pennsylvania more expensive than average?
Yes. Pennsylvania's electricity costs about 14% more than the U.S. average, so the same usage costs $1.96 per month here versus $1.71 nationally.
What does electricity cost in Pennsylvania right now?
Pennsylvania residents pay an average of 21.5¢ per kWh as of April 2026 — the 38th cheapest rate of the 51 U.S. jurisdictions we track.