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Data through April 2026

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

Friedrich PROH65 T2 FD310UM

Heating a typical household's hot water, the Friedrich PROH65 T2 FD310UM is certified at 900 kWh a year — about $169 at the U.S. average electricity rate, or $14.12 a month. That's 17% less than the median certified electric water heater, placing it comfortably in the efficient third of the field (154 of 566). Where you live moves the bill from $111 a year in North Dakota to $420 in Hawaii.

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

$169/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$14.12
Per day
46¢
Certified use
900 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
59 gal
First-hour rating
75 gal
UEF
3.5
643 kWh1,741 kWh
Where the Friedrich PROH65 T2 FD310UM (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Friedrich PROH65 T2 FD310UM: 900 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$157
Alaska27.4¢$246
Arizona15.5¢$139
Arkansas14.2¢$127
California35.3¢$317
Colorado16.5¢$149
Connecticut32.2¢$290
Delaware18.8¢$169
District of Columbia25.4¢$229
Florida15.4¢$138
Georgia15.4¢$138
Hawaiipriciest46.6¢$420
Idaho12.7¢$114
Illinois20.5¢$184
Indiana17.9¢$161
Iowa13.9¢$125
Kansas15.8¢$142
Kentucky15.0¢$135
Louisiana14.4¢$130
Maine28.4¢$256
Maryland22.1¢$199
Massachusetts29.4¢$265
Michigan21.4¢$193
Minnesota16.4¢$148
Mississippi16.8¢$151
Missouri14.0¢$126
Montana13.9¢$125
Nebraska13.3¢$120
Nevada14.3¢$129
New Hampshire27.2¢$245
New Jersey23.5¢$212
New Mexico15.2¢$136
New York29.4¢$265
North Carolina16.3¢$146
North Dakotacheapest12.3¢$111
Ohio19.5¢$175
Oklahoma13.3¢$120
Oregon15.8¢$142
Pennsylvania21.5¢$193
Rhode Island28.3¢$255
South Carolina17.1¢$154
South Dakota14.5¢$131
Tennessee14.9¢$134
Texas17.0¢$153
Utah13.3¢$120
Vermont24.6¢$221
Virginia17.4¢$156
Washington14.4¢$129
West Virginia16.1¢$145
Wisconsin19.2¢$173
Wyoming14.7¢$132

Certified models closest in efficiency

electric water heaters within reach of 900 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH65 T2 FD310BM900$169
Friedrich PROH65 T2 FD350BM900$169
Friedrich PROH65 T2 FD350UM900$169
Rheem PRO H65 T2 RH310BM900$169
Rheem PRO H65 T2 RH310UM900$169
Rheem PROUH65 T2 RH350BM900$169

Run your own numbers

Your rate, your numbers

Per day
46¢
Per month
$14.12
Per year
$169

900 kWh/yr × 18.8¢/kWh = $169/yr

Prefilled with this model's certified 900 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 Friedrich PROH65 T2 FD310UM use?
ENERGY STAR certifies the Friedrich PROH65 T2 FD310UM at 900 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 Friedrich PROH65 T2 FD310UM cost to run per month?
About $14.12 a month at the U.S. average residential rate (18.8¢/kWh) — 46¢ a day, or $169 a year. Your state's rate moves this up or down; see the table above.
Is the Friedrich PROH65 T2 FD310UM energy efficient?
It uses 17% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Friedrich PROH65 T2 FD310UM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $111 a year in North Dakota (12.3¢/kWh) and $420 in Hawaii (46.6¢/kWh).

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