WattCost

Data through June 2026

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

Noritz NHP65

For a standard household draw pattern, the Noritz NHP65 uses a certified 974 kWh per year: roughly $179 annually at the national average rate. That's close to the middle of the certified pack — about 20% under the median electric water heater, ranked 219 of 510. The same unit costs $128 a year in Nevada but $513 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 63.8" H × 28" W

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$179/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$14.89
Per day
49¢
Certified use
974 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
57 gal
First-hour rating
70 gal
UEF
3.34
681 kWh1,741 kWh
Where the Noritz NHP65 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Noritz NHP65: 974 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$160
Alaska28.2¢$275
Arizona15.2¢$148
Arkansas14.1¢$138
California34.7¢$338
Colorado17.1¢$167
Connecticut24.3¢$237
Delaware19.3¢$188
District of Columbia24.4¢$238
Florida15.1¢$147
Georgia16.4¢$159
Hawaiipriciest52.7¢$513
Idaho14.4¢$140
Illinois19.9¢$194
Indiana17.5¢$171
Iowa15.9¢$155
Kansas15.7¢$153
Kentucky14.3¢$139
Louisiana13.5¢$131
Maine29.6¢$288
Maryland21.8¢$213
Massachusetts29.6¢$288
Michigan23.0¢$224
Minnesota17.5¢$171
Mississippi14.9¢$145
Missouri16.2¢$158
Montana15.1¢$147
Nebraska13.3¢$129
Nevadacheapest13.1¢$128
New Hampshire27.0¢$263
New Jersey24.9¢$243
New Mexico15.1¢$147
New York29.5¢$287
North Carolina14.7¢$144
North Dakota14.1¢$138
Ohio19.2¢$187
Oklahoma14.3¢$140
Oregon16.3¢$159
Pennsylvania21.7¢$212
Rhode Island29.2¢$285
South Carolina15.6¢$151
South Dakota15.4¢$150
Tennessee14.1¢$137
Texas15.9¢$155
Utah13.4¢$130
Vermont24.4¢$238
Virginia17.2¢$168
Washington14.9¢$145
West Virginia15.4¢$150
Wisconsin19.6¢$191
Wyoming15.2¢$148

Certified models closest in efficiency

electric water heaters within reach of 974 kWh/yr
ModelkWh/yr$/yr (US avg)
Hubbell ME65HPT974$179
VAUGHN THERMAL ME65HPT974$179
VAUGHN THERMAL ME65HPT-CN974$179
Friedrich PROH65 T0 FD120-M971$178
Friedrich PROH65 T0 FD120-MSO971$178
Rheem PROPH65 T0 RH120-M971$178

Run your own numbers

Your rate, your numbers

Per day
49¢
Per month
$14.89
Per year
$179

974 kWh/yr × 18.3¢/kWh = $179/yr

Prefilled with this model's certified 974 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.

Certified variants covered by this entry

NHP65 · NHP65

Questions, answered with the data

How much electricity does the Noritz NHP65 use?
ENERGY STAR certifies the Noritz NHP65 at 974 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 Noritz NHP65 cost to run per month?
About $14.89 a month at the U.S. average residential rate (18.3¢/kWh) — 49¢ a day, or $179 a year. Your state's rate moves this up or down; see the table above.
Is the Noritz NHP65 energy efficient?
It uses 20% less electricity than the median certified electric water heater.
What does the Noritz NHP65 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $128 a year in Nevada (13.1¢/kWh) and $513 in Hawaii (52.7¢/kWh).
Does this figure cover other model numbers?
Yes — 2 certified retail variants (color, finish, and store-specific SKUs) share this exact energy certification. They're listed under "Certified variants" on this page.

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