Cost to Run a Tankless Electric Water Heater in Alaska
Alaska's average residential electricity rate is 28.2¢/kWh as of May 2026 — the 45th cheapest in the country, 53% above the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $108 per month.
Per hour
$5.08
at 13,000–27,000 W
Per day
$3.55
0.7 hours/day
Per month
$108
383 kWh
Per year
$1,297
4,599 kWh
By usage level in Alaska
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.78 | $54.01 | $648 |
| Typical (0.7 hrs/day) | $3.55 | $108 | $1,297 |
| Heavy (1.4 hrs/day) | $7.11 | $216 | $2,594 |
Alaska 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 Alaska?
At Alaska's current average residential rate of 28.2¢/kWh (May 2026), a tankless electric water heater with typical usage costs about $3.55 per day, $108 per month, or $1,297 per year.
Is running a tankless electric water heater in Alaska more expensive than average?
Yes. Alaska's electricity costs about 53% more than the U.S. average, so the same usage costs $108 per month here versus $70.48 nationally.
What does electricity cost in Alaska right now?
Alaska residents pay an average of 28.2¢ per kWh as of May 2026 — the 45th cheapest rate of the 51 U.S. jurisdictions we track.