Cost to Run a Electric Water Heater 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 (2.9 hours/day), a electric water heater here costs $59.11 per month.
Per hour
$0.67
at 3,500–5,500 W
Per day
$1.94
2.9 hours/day
Per month
$59.11
397 kWh
Per year
$710
4,763 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $0.97 | $29.56 | $355 |
| Typical (2.9 hrs/day) | $1.94 | $59.11 | $710 |
| Heavy (5.8 hrs/day) | $3.89 | $118 | $1,419 |
Tennessee vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric water heater in Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a electric water heater with typical usage costs about $1.94 per day, $59.11 per month, or $710 per year.
Is running a electric water heater in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $59.11 per month here versus $74.58 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.