Cost to Run a Tankless Electric Water Heater in Alaska
Alaska's average residential electricity rate is 27.4¢/kWh as of April 2026 — the 44th cheapest in the country, 46% above the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $105 per month.
Per hour
$4.93
at 13,000–27,000 W
Per day
$3.45
0.7 hours/day
Per month
$105
383 kWh
Per year
$1,260
4,599 kWh
By usage level in Alaska
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.73 | $52.48 | $630 |
| Typical (0.7 hrs/day) | $3.45 | $105 | $1,260 |
| Heavy (1.4 hrs/day) | $6.90 | $210 | $2,520 |
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 27.4¢/kWh (April 2026), a tankless electric water heater with typical usage costs about $3.45 per day, $105 per month, or $1,260 per year.
Is running a tankless electric water heater in Alaska more expensive than average?
Yes. Alaska's electricity costs about 46% more than the U.S. average, so the same usage costs $105 per month here versus $72.01 nationally.
What does electricity cost in Alaska right now?
Alaska residents pay an average of 27.4¢ per kWh as of April 2026 — the 44th cheapest rate of the 51 U.S. jurisdictions we track.