WattCost

Data through June 2026

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

Rheem XE50T10H15U0

For a standard household draw pattern, the Rheem XE50T10H15U0 uses a certified 1,082 kWh per year: roughly $198 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 236 of 510). The same unit costs $142 a year in Nevada but $570 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 65" H × 22.3" W

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

$198/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$16.54
Per day
54¢
Certified use
1,082 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
46 gal
First-hour rating
51 gal
UEF
3
681 kWh1,741 kWh
Where the Rheem XE50T10H15U0 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE50T10H15U0: 1,082 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$177
Alaska28.2¢$305
Arizona15.2¢$164
Arkansas14.1¢$153
California34.7¢$376
Colorado17.1¢$185
Connecticut24.3¢$263
Delaware19.3¢$209
District of Columbia24.4¢$264
Florida15.1¢$163
Georgia16.4¢$177
Hawaiipriciest52.7¢$570
Idaho14.4¢$155
Illinois19.9¢$215
Indiana17.5¢$189
Iowa15.9¢$172
Kansas15.7¢$170
Kentucky14.3¢$154
Louisiana13.5¢$146
Maine29.6¢$320
Maryland21.8¢$236
Massachusetts29.6¢$320
Michigan23.0¢$249
Minnesota17.5¢$190
Mississippi14.9¢$161
Missouri16.2¢$176
Montana15.1¢$164
Nebraska13.3¢$143
Nevadacheapest13.1¢$142
New Hampshire27.0¢$292
New Jersey24.9¢$270
New Mexico15.1¢$163
New York29.5¢$319
North Carolina14.7¢$159
North Dakota14.1¢$153
Ohio19.2¢$208
Oklahoma14.3¢$155
Oregon16.3¢$177
Pennsylvania21.7¢$235
Rhode Island29.2¢$316
South Carolina15.6¢$168
South Dakota15.4¢$166
Tennessee14.1¢$152
Texas15.9¢$172
Utah13.4¢$145
Vermont24.4¢$264
Virginia17.2¢$186
Washington14.9¢$161
West Virginia15.4¢$167
Wisconsin19.6¢$212
Wyoming15.2¢$165

Certified models closest in efficiency

electric water heaters within reach of 1,082 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH50 T0 FD1201,082$198
Rheem PROPH50 T0 RH1201,082$198
Rheem XE50T10HD00U01,082$198
Richmond 10E50-HP1201,082$198
Ruud PROUH50 T0 RU1201,082$198
Friedrich PROH50 T0 FD120-M1,072$197

Run your own numbers

Your rate, your numbers

Per day
54¢
Per month
$16.54
Per year
$198

1,082 kWh/yr × 18.3¢/kWh = $198/yr

Prefilled with this model's certified 1,082 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 XE50T10H15U0 use?
ENERGY STAR certifies the Rheem XE50T10H15U0 at 1,082 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 XE50T10H15U0 cost to run per month?
About $16.54 a month at the U.S. average residential rate (18.3¢/kWh) — 54¢ a day, or $198 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE50T10H15U0 energy efficient?
It uses 11% less electricity than the median certified electric water heater.
What does the Rheem XE50T10H15U0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $142 a year in Nevada (13.1¢/kWh) and $570 in Hawaii (52.7¢/kWh).

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