Cost to Run a Incandescent Bulb in Pennsylvania
Pennsylvania's average residential electricity rate is 21.7¢/kWh as of July 2026 — the 38th cheapest in the country, 19% above the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $1.98 per month.
Per hour
1.3¢
at 40–100 W
Per day
6.5¢
5 hours/day
Per month
$1.98
9.1 kWh
Per year
$23.76
110 kWh
By usage level in Pennsylvania
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 3.3¢ | $0.99 | $11.88 |
| Typical (5 hrs/day) | 6.5¢ | $1.98 | $23.76 |
| Heavy (10 hrs/day) | $0.13 | $3.96 | $47.52 |
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 21.7¢/kWh (July 2026), a incandescent bulb with typical usage costs about 6.5¢ per day, $1.98 per month, or $23.76 per year.
Is running a incandescent bulb in Pennsylvania more expensive than average?
Yes. Pennsylvania's electricity costs about 19% more than the U.S. average, so the same usage costs $1.98 per month here versus $1.67 nationally.
What does electricity cost in Pennsylvania right now?
Pennsylvania residents pay an average of 21.7¢ per kWh as of July 2026 — the 38th cheapest rate of the 51 U.S. jurisdictions we track.