WattCost

Data through June 2026

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

Rheem XE80T10HS45U1

Heating a typical household's hot water, the Rheem XE80T10HS45U1 is certified at 1,213 kWh a year — about $222 at the U.S. average electricity rate, or $18.54 a month. That's close to the middle of the certified pack — about 0% above the median electric water heater, ranked 265 of 510. The same unit costs $159 a year in Nevada but $639 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 74.2" H × 24.3" W

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

$222/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$18.54
Per day
61¢
Certified use
1,213 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
72 gal
First-hour rating
87 gal
UEF
4.07
681 kWh1,741 kWh
Where the Rheem XE80T10HS45U1 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE80T10HS45U1: 1,213 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$199
Alaska28.2¢$342
Arizona15.2¢$184
Arkansas14.1¢$171
California34.7¢$421
Colorado17.1¢$208
Connecticut24.3¢$295
Delaware19.3¢$234
District of Columbia24.4¢$296
Florida15.1¢$183
Georgia16.4¢$198
Hawaiipriciest52.7¢$639
Idaho14.4¢$174
Illinois19.9¢$241
Indiana17.5¢$212
Iowa15.9¢$193
Kansas15.7¢$191
Kentucky14.3¢$173
Louisiana13.5¢$164
Maine29.6¢$359
Maryland21.8¢$265
Massachusetts29.6¢$359
Michigan23.0¢$279
Minnesota17.5¢$213
Mississippi14.9¢$180
Missouri16.2¢$197
Montana15.1¢$184
Nebraska13.3¢$161
Nevadacheapest13.1¢$159
New Hampshire27.0¢$328
New Jersey24.9¢$303
New Mexico15.1¢$183
New York29.5¢$358
North Carolina14.7¢$179
North Dakota14.1¢$171
Ohio19.2¢$233
Oklahoma14.3¢$174
Oregon16.3¢$198
Pennsylvania21.7¢$264
Rhode Island29.2¢$355
South Carolina15.6¢$189
South Dakota15.4¢$186
Tennessee14.1¢$171
Texas15.9¢$193
Utah13.4¢$162
Vermont24.4¢$296
Virginia17.2¢$209
Washington14.9¢$181
West Virginia15.4¢$187
Wisconsin19.6¢$237
Wyoming15.2¢$185

Certified models closest in efficiency

electric water heaters within reach of 1,213 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH80 T2 FD400-301,213$222
Friedrich PROH80 T2 FD400-SO1,213$222
Rheem PROPH80 T2 RH400-301,213$222
Rheem PROPH80 T2 RH400-SO1,213$222
Rheem XE80T10H45U11,213$222
Richmond 10E80-HP5U301,213$222

Run your own numbers

Your rate, your numbers

Per day
61¢
Per month
$18.54
Per year
$222

1,213 kWh/yr × 18.3¢/kWh = $222/yr

Prefilled with this model's certified 1,213 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 XE80T10HS45U1 use?
ENERGY STAR certifies the Rheem XE80T10HS45U1 at 1,213 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 XE80T10HS45U1 cost to run per month?
About $18.54 a month at the U.S. average residential rate (18.3¢/kWh) — 61¢ a day, or $222 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE80T10HS45U1 energy efficient?
It uses 0% more electricity than the median certified electric water heater.
What does the Rheem XE80T10HS45U1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $159 a year in Nevada (13.1¢/kWh) and $639 in Hawaii (52.7¢/kWh).

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