Cost to Run a Tankless Electric Water Heater in Alaska
Alaska's average residential electricity rate is 28.8¢/kWh as of July 2026 — the 46th cheapest in the country, 57% above the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $110 per month.
Per hour
$5.18
at 13,000–27,000 W
Per day
$3.63
0.7 hours/day
Per month
$110
383 kWh
Per year
$1,325
4,599 kWh
By usage level in Alaska
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.81 | $55.16 | $662 |
| Typical (0.7 hrs/day) | $3.63 | $110 | $1,325 |
| Heavy (1.4 hrs/day) | $7.26 | $221 | $2,649 |
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 28.8¢/kWh (July 2026), a tankless electric water heater with typical usage costs about $3.63 per day, $110 per month, or $1,325 per year.
Is running a tankless electric water heater in Alaska more expensive than average?
Yes. Alaska's electricity costs about 57% more than the U.S. average, so the same usage costs $110 per month here versus $70.10 nationally.
What does electricity cost in Alaska right now?
Alaska residents pay an average of 28.8¢ per kWh as of July 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.