WattCost

Data through April 2026

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

Rheem XE80T10H22U1

Heating a typical household's hot water, the Rheem XE80T10H22U1 is certified at 871 kWh a year — about $164 at the U.S. average electricity rate, or $13.67 a month. Compared with the median certified electric water heater, it uses 20% less electricity — rank 120 out of 566. The same unit costs $108 a year in North Dakota but $406 in Hawaii — electricity rates, not the appliance, make the difference.

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

$164/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$13.67
Per day
45¢
Certified use
871 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
72 gal
First-hour rating
67 gal
UEF
3.7
643 kWh1,741 kWh
Where the Rheem XE80T10H22U1 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE80T10H22U1: 871 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$152
Alaska27.4¢$238
Arizona15.5¢$135
Arkansas14.2¢$123
California35.3¢$307
Colorado16.5¢$144
Connecticut32.2¢$281
Delaware18.8¢$164
District of Columbia25.4¢$221
Florida15.4¢$134
Georgia15.4¢$134
Hawaiipriciest46.6¢$406
Idaho12.7¢$111
Illinois20.5¢$178
Indiana17.9¢$156
Iowa13.9¢$121
Kansas15.8¢$137
Kentucky15.0¢$131
Louisiana14.4¢$126
Maine28.4¢$248
Maryland22.1¢$192
Massachusetts29.4¢$257
Michigan21.4¢$186
Minnesota16.4¢$143
Mississippi16.8¢$146
Missouri14.0¢$122
Montana13.9¢$121
Nebraska13.3¢$116
Nevada14.3¢$124
New Hampshire27.2¢$237
New Jersey23.5¢$205
New Mexico15.2¢$132
New York29.4¢$257
North Carolina16.3¢$142
North Dakotacheapest12.3¢$108
Ohio19.5¢$170
Oklahoma13.3¢$116
Oregon15.8¢$137
Pennsylvania21.5¢$187
Rhode Island28.3¢$246
South Carolina17.1¢$149
South Dakota14.5¢$126
Tennessee14.9¢$130
Texas17.0¢$148
Utah13.3¢$116
Vermont24.6¢$214
Virginia17.4¢$151
Washington14.4¢$125
West Virginia16.1¢$140
Wisconsin19.2¢$167
Wyoming14.7¢$128

Certified models closest in efficiency

electric water heaters within reach of 871 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH80 T2 FD400-15871$164
Rheem PROPH80 T2 RH375-15871$164
Rheem PROPH80 T2 RH400-15871$164
Rheem XE80T10H22U0871$164
Richmond 10E80-HP515871$164
Richmond 10E80-HP5U15871$164

Run your own numbers

Your rate, your numbers

Per day
45¢
Per month
$13.67
Per year
$164

871 kWh/yr × 18.8¢/kWh = $164/yr

Prefilled with this model's certified 871 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 XE80T10H22U1 use?
ENERGY STAR certifies the Rheem XE80T10H22U1 at 871 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 XE80T10H22U1 cost to run per month?
About $13.67 a month at the U.S. average residential rate (18.8¢/kWh) — 45¢ a day, or $164 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE80T10H22U1 energy efficient?
It uses 20% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Rheem XE80T10H22U1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $108 a year in North Dakota (12.3¢/kWh) and $406 in Hawaii (46.6¢/kWh).

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