WattCost

Data through April 2026

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

Rheem XE50T10HM00U0

For a standard household draw pattern, the Rheem XE50T10HM00U0 uses a certified 1,072 kWh per year: roughly $202 annually at the national average rate. That's close to the middle of the certified pack — about 1% under the median electric water heater, ranked 276 of 566. Where you live moves the bill from $132 a year in North Dakota to $500 in Hawaii.

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

$202/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$16.82
Per day
55¢
Certified use
1,072 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
46 gal
First-hour rating
55 gal
UEF
3
643 kWh1,741 kWh
Where the Rheem XE50T10HM00U0 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE50T10HM00U0: 1,072 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$187
Alaska27.4¢$293
Arizona15.5¢$166
Arkansas14.2¢$152
California35.3¢$378
Colorado16.5¢$177
Connecticut32.2¢$346
Delaware18.8¢$201
District of Columbia25.4¢$272
Florida15.4¢$165
Georgia15.4¢$165
Hawaiipriciest46.6¢$500
Idaho12.7¢$136
Illinois20.5¢$219
Indiana17.9¢$192
Iowa13.9¢$149
Kansas15.8¢$169
Kentucky15.0¢$161
Louisiana14.4¢$155
Maine28.4¢$305
Maryland22.1¢$237
Massachusetts29.4¢$316
Michigan21.4¢$229
Minnesota16.4¢$176
Mississippi16.8¢$180
Missouri14.0¢$150
Montana13.9¢$149
Nebraska13.3¢$142
Nevada14.3¢$153
New Hampshire27.2¢$292
New Jersey23.5¢$252
New Mexico15.2¢$162
New York29.4¢$316
North Carolina16.3¢$174
North Dakotacheapest12.3¢$132
Ohio19.5¢$209
Oklahoma13.3¢$143
Oregon15.8¢$169
Pennsylvania21.5¢$230
Rhode Island28.3¢$303
South Carolina17.1¢$183
South Dakota14.5¢$156
Tennessee14.9¢$160
Texas17.0¢$182
Utah13.3¢$142
Vermont24.6¢$263
Virginia17.4¢$186
Washington14.4¢$154
West Virginia16.1¢$172
Wisconsin19.2¢$206
Wyoming14.7¢$157

Certified models closest in efficiency

electric water heaters within reach of 1,072 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH50 T0 FD120-M1,072$202
Friedrich PROH50 T0 FD120-MSO1,072$202
Rheem PROPH50 T0 RH120-M1,072$202
Rheem PROPH50 T0 RH120-MSO1,072$202
Rheem XE50T10HMS00U01,072$202
Richmond 10E50-HP120M1,072$202

Run your own numbers

Your rate, your numbers

Per day
55¢
Per month
$16.82
Per year
$202

1,072 kWh/yr × 18.8¢/kWh = $202/yr

Prefilled with this model's certified 1,072 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 Rheem XE50T10HM00U0 use?
ENERGY STAR certifies the Rheem XE50T10HM00U0 at 1,072 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 Rheem XE50T10HM00U0 cost to run per month?
About $16.82 a month at the U.S. average residential rate (18.8¢/kWh) — 55¢ a day, or $202 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE50T10HM00U0 energy efficient?
It uses 1% less electricity than the median certified electric water heater.
What does the Rheem XE50T10HM00U0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $132 a year in North Dakota (12.3¢/kWh) and $500 in Hawaii (46.6¢/kWh).

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