WattCost

Data through April 2026

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

Rheem XE65T10H22U0

Heating a typical household's hot water, the Rheem XE65T10H22U0 is certified at 887 kWh a year — about $167 at the U.S. average electricity rate, or $13.92 a month. Compared with the median certified electric water heater, it uses 18% less electricity — rank 146 out of 566. The same unit costs $110 a year in North Dakota but $414 in Hawaii — electricity rates, not the appliance, make the difference.

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

$167/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$13.92
Per day
46¢
Certified use
887 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
59 gal
First-hour rating
54 gal
UEF
3.55
643 kWh1,741 kWh
Where the Rheem XE65T10H22U0 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE65T10H22U0: 887 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$154
Alaska27.4¢$243
Arizona15.5¢$137
Arkansas14.2¢$126
California35.3¢$313
Colorado16.5¢$147
Connecticut32.2¢$286
Delaware18.8¢$167
District of Columbia25.4¢$225
Florida15.4¢$136
Georgia15.4¢$136
Hawaiipriciest46.6¢$414
Idaho12.7¢$113
Illinois20.5¢$182
Indiana17.9¢$159
Iowa13.9¢$123
Kansas15.8¢$140
Kentucky15.0¢$133
Louisiana14.4¢$128
Maine28.4¢$252
Maryland22.1¢$196
Massachusetts29.4¢$261
Michigan21.4¢$190
Minnesota16.4¢$145
Mississippi16.8¢$149
Missouri14.0¢$124
Montana13.9¢$123
Nebraska13.3¢$118
Nevada14.3¢$127
New Hampshire27.2¢$242
New Jersey23.5¢$209
New Mexico15.2¢$134
New York29.4¢$261
North Carolina16.3¢$144
North Dakotacheapest12.3¢$110
Ohio19.5¢$173
Oklahoma13.3¢$118
Oregon15.8¢$140
Pennsylvania21.5¢$190
Rhode Island28.3¢$251
South Carolina17.1¢$151
South Dakota14.5¢$129
Tennessee14.9¢$133
Texas17.0¢$151
Utah13.3¢$118
Vermont24.6¢$218
Virginia17.4¢$154
Washington14.4¢$127
West Virginia16.1¢$142
Wisconsin19.2¢$170
Wyoming14.7¢$130

Certified models closest in efficiency

electric water heaters within reach of 887 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH65 T2 FD400-15887$167
Rheem PROPH65 T2 RH375-15887$167
Rheem PROPH65 T2 RH400-15887$167
Richmond 10E65-HP515887$167
Richmond 10E65-HP5U15887$167
Richmond XE65T10H22U1887$167

Run your own numbers

Your rate, your numbers

Per day
46¢
Per month
$13.92
Per year
$167

887 kWh/yr × 18.8¢/kWh = $167/yr

Prefilled with this model's certified 887 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 XE65T10H22U0 use?
ENERGY STAR certifies the Rheem XE65T10H22U0 at 887 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 XE65T10H22U0 cost to run per month?
About $13.92 a month at the U.S. average residential rate (18.8¢/kWh) — 46¢ a day, or $167 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE65T10H22U0 energy efficient?
It uses 18% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Rheem XE65T10H22U0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $110 a year in North Dakota (12.3¢/kWh) and $414 in Hawaii (46.6¢/kWh).

Keep digging