WattCost

Data through June 2026

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

Rheem XE50T10HMS00U0

For a standard household draw pattern, the Rheem XE50T10HMS00U0 uses a certified 1,072 kWh per year: roughly $197 annually at the national average rate. Efficiency-wise it's unremarkable in a good way: within 11% of the median certified electric water heater (rank 229 of 510). The same unit costs $141 a year in Nevada but $565 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 61.8" H × 22.3" W

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

$197/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$16.38
Per day
54¢
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
681 kWh1,741 kWh
Where the Rheem XE50T10HMS00U0 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE50T10HMS00U0: 1,072 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$176
Alaska28.2¢$302
Arizona15.2¢$163
Arkansas14.1¢$151
California34.7¢$372
Colorado17.1¢$184
Connecticut24.3¢$261
Delaware19.3¢$207
District of Columbia24.4¢$261
Florida15.1¢$162
Georgia16.4¢$175
Hawaiipriciest52.7¢$565
Idaho14.4¢$154
Illinois19.9¢$213
Indiana17.5¢$188
Iowa15.9¢$171
Kansas15.7¢$168
Kentucky14.3¢$153
Louisiana13.5¢$145
Maine29.6¢$317
Maryland21.8¢$234
Massachusetts29.6¢$317
Michigan23.0¢$246
Minnesota17.5¢$188
Mississippi14.9¢$160
Missouri16.2¢$174
Montana15.1¢$162
Nebraska13.3¢$142
Nevadacheapest13.1¢$141
New Hampshire27.0¢$290
New Jersey24.9¢$267
New Mexico15.1¢$161
New York29.5¢$316
North Carolina14.7¢$158
North Dakota14.1¢$151
Ohio19.2¢$206
Oklahoma14.3¢$154
Oregon16.3¢$175
Pennsylvania21.7¢$233
Rhode Island29.2¢$313
South Carolina15.6¢$167
South Dakota15.4¢$165
Tennessee14.1¢$151
Texas15.9¢$171
Utah13.4¢$143
Vermont24.4¢$262
Virginia17.2¢$185
Washington14.9¢$160
West Virginia15.4¢$166
Wisconsin19.6¢$210
Wyoming15.2¢$163

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$197
Friedrich PROH50 T0 FD120-MSO1,072$197
Rheem PROPH50 T0 RH120-M1,072$197
Rheem PROPH50 T0 RH120-MSO1,072$197
Rheem XE50T10HM00U01,072$197
Richmond 10E50-HP120M1,072$197

Run your own numbers

Your rate, your numbers

Per day
54¢
Per month
$16.38
Per year
$197

1,072 kWh/yr × 18.3¢/kWh = $197/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 XE50T10HMS00U0 use?
ENERGY STAR certifies the Rheem XE50T10HMS00U0 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 XE50T10HMS00U0 cost to run per month?
About $16.38 a month at the U.S. average residential rate (18.3¢/kWh) — 54¢ a day, or $197 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE50T10HMS00U0 energy efficient?
It uses 11% less electricity than the median certified electric water heater.
What does the Rheem XE50T10HMS00U0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $141 a year in Nevada (13.1¢/kWh) and $565 in Hawaii (52.7¢/kWh).

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