Cost to Run a Heat Pump 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 (3 hours/day), a heat pump water heater here costs $13.59 per month.
Per hour
$0.15
at 400–1,500 W
Per day
$0.45
3 hours/day
Per month
$13.59
91 kWh
Per year
$163
1,095 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.22 | $6.79 | $81.58 |
| Typical (3 hrs/day) | $0.45 | $13.59 | $163 |
| Heavy (6 hrs/day) | $0.89 | $27.18 | $326 |
Tennessee vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump water heater in Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a heat pump water heater with typical usage costs about $0.45 per day, $13.59 per month, or $163 per year.
Is running a heat pump water heater in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $13.59 per month here versus $17.15 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.