Billowatt

Cost to Run a Central Air Conditioner in Tennessee

Tennessee's average residential electricity rate is 13.7¢/kWh as of July 2026 — the 6th cheapest in the country, 25% below the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $117 per month.

Per hour

$0.48

at 2,000–5,000 W

Per day

$3.84

8 hours/day

Per month

$117

851 kWh

Per year

$1,400

10,220 kWh

By usage level in Tennessee

Usage Per day Per month Per year
Light (4 hrs/day) $1.92 $58.31 $700
Typical (8 hrs/day) $3.84 $117 $1,400
Heavy (16 hrs/day) $7.67 $233 $2,800

Tennessee vs. the rest of the country

Monthly cost at typical usage.

Tennessee $117
South average $138
U.S. average $156

Frequently asked questions

How much does it cost to run a central air conditioner in Tennessee?

At Tennessee's current average residential rate of 13.7¢/kWh (July 2026), a central air conditioner with typical usage costs about $3.84 per day, $117 per month, or $1,400 per year.

Is running a central air conditioner in Tennessee more expensive than average?

No — it's cheaper. Tennessee's rate is about 25% below the U.S. average: $117 per month here versus $156 nationally.

What does electricity cost in Tennessee right now?

Tennessee residents pay an average of 13.7¢ per kWh as of July 2026 — the 6th cheapest rate of the 51 U.S. jurisdictions we track.

Central Air Conditioner costs in nearby states

What else costs to run in Tennessee

See the full Tennessee electricity cost guide →