WattCost

Data through April 2026

Running cost · Water Heaters (Electric) · ENERGY STAR certified

Arctic Arctic-HP-Hot Water-KA06-50

For a standard household draw pattern, the Arctic Arctic-HP-Hot Water-KA06-50 uses a certified 837 kWh per year: roughly $158 annually at the national average rate. That puts it in the most efficient tenth of every certified electric water heater — 23% less electricity than the median, ranked 33 of 566. The same unit costs $103 a year in North Dakota but $390 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$158/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$13.13
Per day
43¢
Certified use
837 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
44.5 gal
First-hour rating
65 gal
UEF
3.88
643 kWh1,741 kWh
Where the Arctic Arctic-HP-Hot Water-KA06-50 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Arctic Arctic-HP-Hot Water-KA06-50: 837 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$146
Alaska27.4¢$229
Arizona15.5¢$130
Arkansas14.2¢$119
California35.3¢$295
Colorado16.5¢$138
Connecticut32.2¢$270
Delaware18.8¢$157
District of Columbia25.4¢$213
Florida15.4¢$129
Georgia15.4¢$129
Hawaiipriciest46.6¢$390
Idaho12.7¢$106
Illinois20.5¢$171
Indiana17.9¢$150
Iowa13.9¢$116
Kansas15.8¢$132
Kentucky15.0¢$126
Louisiana14.4¢$121
Maine28.4¢$238
Maryland22.1¢$185
Massachusetts29.4¢$246
Michigan21.4¢$179
Minnesota16.4¢$137
Mississippi16.8¢$140
Missouri14.0¢$117
Montana13.9¢$116
Nebraska13.3¢$111
Nevada14.3¢$120
New Hampshire27.2¢$228
New Jersey23.5¢$197
New Mexico15.2¢$127
New York29.4¢$246
North Carolina16.3¢$136
North Dakotacheapest12.3¢$103
Ohio19.5¢$163
Oklahoma13.3¢$111
Oregon15.8¢$132
Pennsylvania21.5¢$180
Rhode Island28.3¢$237
South Carolina17.1¢$143
South Dakota14.5¢$122
Tennessee14.9¢$125
Texas17.0¢$142
Utah13.3¢$111
Vermont24.6¢$206
Virginia17.4¢$145
Washington14.4¢$120
West Virginia16.1¢$134
Wisconsin19.2¢$161
Wyoming14.7¢$123

Certified models closest in efficiency

electric water heaters within reach of 837 kWh/yr
ModelkWh/yr$/yr (US avg)
PHNIX KA06-50837$158
Bradford White RE2HP50**-1NCTT835$157
JETGLAS RE2HP50*-1NCTT835$157
Navien NWP500S050AUMB840$158
A. O. Smith HPS10-50H45DV 2831$156
A. O. Smith HPSN10-50H45DV 2831$156

Run your own numbers

Your rate, your numbers

Per day
43¢
Per month
$13.13
Per year
$158

837 kWh/yr × 18.8¢/kWh = $158/yr

Prefilled with this model's certified 837 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.

Questions, answered with the data

How much electricity does the Arctic Arctic-HP-Hot Water-KA06-50 use?
ENERGY STAR certifies the Arctic Arctic-HP-Hot Water-KA06-50 at 837 kWh per year. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.
How much does the Arctic Arctic-HP-Hot Water-KA06-50 cost to run per month?
About $13.13 a month at the U.S. average residential rate (18.8¢/kWh) — 43¢ a day, or $158 a year. Your state's rate moves this up or down; see the table above.
Is the Arctic Arctic-HP-Hot Water-KA06-50 energy efficient?
It uses 23% less electricity than the median certified electric water heater, placing it in the top 10% of certified models.
What does the Arctic Arctic-HP-Hot Water-KA06-50 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $103 a year in North Dakota (12.3¢/kWh) and $390 in Hawaii (46.6¢/kWh).

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