Cost to Run a Desktop Computer 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 (6 hours/day), a desktop computer here costs $5.60 per month.
Per hour
3.0¢
at 100–400 W
Per day
$0.18
6 hours/day
Per month
$5.60
38 kWh
Per year
$67.22
451 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 9.2¢ | $2.80 | $33.61 |
| Typical (6 hrs/day) | $0.18 | $5.60 | $67.22 |
| Heavy (12 hrs/day) | $0.37 | $11.20 | $134 |
Tennessee vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a desktop computer in Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a desktop computer with typical usage costs about $0.18 per day, $5.60 per month, or $67.22 per year.
Is running a desktop computer in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $5.60 per month here versus $7.06 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.