Cost to Run a Incandescent Bulb in Tennessee
Tennessee's average residential electricity rate is 14.9¢/kWh as of April 2026 — the 15th cheapest in the country, 21% below the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $1.36 per month.
Per hour
0.9¢
at 40–100 W
Per day
4.5¢
5 hours/day
Per month
$1.36
9.1 kWh
Per year
$16.32
110 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 2.2¢ | $0.68 | $8.16 |
| Typical (5 hrs/day) | 4.5¢ | $1.36 | $16.32 |
| Heavy (10 hrs/day) | 8.9¢ | $2.72 | $32.63 |
Tennessee 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 Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a incandescent bulb with typical usage costs about 4.5¢ per day, $1.36 per month, or $16.32 per year.
Is running a incandescent bulb in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $1.36 per month here versus $1.71 nationally.
What does electricity cost in Tennessee right now?
Tennessee residents pay an average of 14.9¢ per kWh as of April 2026 — the 15th cheapest rate of the 51 U.S. jurisdictions we track.