Cost to Run a Tankless Electric Water Heater in Arkansas
Arkansas's average residential electricity rate is 14.2¢/kWh as of April 2026 — the 9th cheapest in the country, 24% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $54.39 per month.
Per hour
$2.56
at 13,000–27,000 W
Per day
$1.79
0.7 hours/day
Per month
$54.39
383 kWh
Per year
$653
4,599 kWh
By usage level in Arkansas
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $0.89 | $27.20 | $327 |
| Typical (0.7 hrs/day) | $1.79 | $54.39 | $653 |
| Heavy (1.4 hrs/day) | $3.58 | $109 | $1,306 |
Arkansas 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 Arkansas?
At Arkansas's current average residential rate of 14.2¢/kWh (April 2026), a tankless electric water heater with typical usage costs about $1.79 per day, $54.39 per month, or $653 per year.
Is running a tankless electric water heater in Arkansas more expensive than average?
No — it's cheaper. Arkansas's rate is about 24% below the U.S. average: $54.39 per month here versus $72.01 nationally.
What does electricity cost in Arkansas right now?
Arkansas residents pay an average of 14.2¢ per kWh as of April 2026 — the 9th cheapest rate of the 51 U.S. jurisdictions we track.