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Tankless water heater Electricity Cost in Alaska — $137.81/month (2026)

Alaska monthly
$137.81
U.S. average monthly
$97.08
Difference
+$40.73

← Tankless water heater (all states) · Alaska electricity rate

Quick rate
Daily cost
$4.59
Monthly cost
$137.81
+$0.00 vs typical
Yearly cost
$1676.66
kWh / month
540.0 kWh
Local monthly estimate: $137.81 · U.S. average equivalent: $97.08
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Quick answer

Running a typical tankless water heater in Alaska costs about $4.59/day or $137.81/month at roughly $0.255/kWh, assuming 1 hours of use per day at 18000 W. The U.S. average rate is about $0.180/kWh, so Alaska is roughly 42% higher than average for this estimate.

vs U.S. average

Local rate (Alaska)
$0.255/kWh
Monthly estimate: $137.81
U.S. average rate
$0.180/kWh
Monthly estimate: $97.08
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FAQ

How many watts does a tankless water heater use?
Most tankless water heater units fall between 12000 W and 24000 W, with 18000 W as a typical value for estimates.
What is the tankless water heater wattage?
Our calculator uses 18000 W as the typical wattage, within a reported range of 12000–24000 W.
How many kWh does a tankless water heater use per day in Alaska?
At 1 hours/day and 18000 W, the estimate is about 18.00 kWh per day.
How many kWh does a tankless water heater use per month in Alaska?
Using 1 hours/day, the estimate is about 540.0 kWh per month.
How many kWh does a tankless water heater use per hour?
Per hour, tankless water heater uses about 18.000 kWh (at 18000 W).
How much does it cost to run a tankless water heater per day in Alaska?
At typical use (18000 W and 1 hours/day), the estimate is about $4.59/day at roughly $0.255/kWh.
How much does it cost to run a tankless water heater per month in Alaska?
At typical use (18000 W and 1 hours/day), the estimate is about $137.81/month at roughly $0.255/kWh.
How much does it cost to run a tankless water heater per hour in Alaska?
Running for one hour at 18000 W costs about $4.594 per hour (using the Alaska rate of about $0.255/kWh).
What is the tankless water heater electricity cost per month in Alaska?
For typical use, the calculator estimates about $137.81/month for tankless water heater in Alaska.
How much does tankless water heater add to my electric bill in Alaska?
At the typical Alaska residential rate, the estimate is about 540.0 kWh per month, which corresponds to roughly $137.81/month for tankless water heater.
What is the impact on electric bill of tankless water heater in Alaska?
Compared to the U.S. average, Alaska is about 42% higher for this estimate. Monthly cost is about $137.81 in Alaska vs $97.08 at the national average.
How to reduce tankless water heater electricity cost in Alaska?
Start with practical steps from our tips list (e.g., Turn the appliance off as soon as you are done using it.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.

Related appliances

Est. monthly at Alaska rate ($0.255/kWh)