Cost to Run a Tankless Electric Water Heater in Florida
Florida's average residential electricity rate is 15.2¢/kWh as of May 2026 — the 20th cheapest in the country, 17% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $58.22 per month.
Per hour
$2.74
at 13,000–27,000 W
Per day
$1.92
0.7 hours/day
Per month
$58.22
383 kWh
Per year
$699
4,599 kWh
By usage level in Florida
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $0.96 | $29.11 | $350 |
| Typical (0.7 hrs/day) | $1.92 | $58.22 | $699 |
| Heavy (1.4 hrs/day) | $3.83 | $116 | $1,398 |
Florida vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a tankless electric water heater in Florida?
At Florida's current average residential rate of 15.2¢/kWh (May 2026), a tankless electric water heater with typical usage costs about $1.92 per day, $58.22 per month, or $699 per year.
Is running a tankless electric water heater in Florida more expensive than average?
No — it's cheaper. Florida's rate is about 17% below the U.S. average: $58.22 per month here versus $70.48 nationally.
What does electricity cost in Florida right now?
Florida residents pay an average of 15.2¢ per kWh as of May 2026 — the 20th cheapest rate of the 51 U.S. jurisdictions we track.