WattCost

Data through June 2026

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

Rheem XE80T10HM00U0

Heating a typical household's hot water, the Rheem XE80T10HM00U0 is certified at 1,403 kWh a year — about $257 at the U.S. average electricity rate, or $21.44 a month. It sits near the bottom of the certified table — using 16% more than the median electric water heater (rank 474 of 510) — so the state you live in matters more than usual. Where you live moves the bill from $184 a year in Nevada to $740 in Hawaii.

Dimensions 74.2" H × 24.3" W

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

$257/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$21.44
Per day
70¢
Certified use
1,403 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
72 gal
First-hour rating
84 gal
UEF
3.46
681 kWh1,741 kWh
Where the Rheem XE80T10HM00U0 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Rheem XE80T10HM00U0: 1,403 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$230
Alaska28.2¢$396
Arizona15.2¢$213
Arkansas14.1¢$198
California34.7¢$487
Colorado17.1¢$240
Connecticut24.3¢$341
Delaware19.3¢$271
District of Columbia24.4¢$342
Florida15.1¢$212
Georgia16.4¢$230
Hawaiipriciest52.7¢$740
Idaho14.4¢$202
Illinois19.9¢$279
Indiana17.5¢$246
Iowa15.9¢$223
Kansas15.7¢$220
Kentucky14.3¢$200
Louisiana13.5¢$189
Maine29.6¢$415
Maryland21.8¢$306
Massachusetts29.6¢$415
Michigan23.0¢$323
Minnesota17.5¢$246
Mississippi14.9¢$209
Missouri16.2¢$228
Montana15.1¢$212
Nebraska13.3¢$186
Nevadacheapest13.1¢$184
New Hampshire27.0¢$379
New Jersey24.9¢$350
New Mexico15.1¢$211
New York29.5¢$414
North Carolina14.7¢$207
North Dakota14.1¢$198
Ohio19.2¢$269
Oklahoma14.3¢$201
Oregon16.3¢$229
Pennsylvania21.7¢$305
Rhode Island29.2¢$410
South Carolina15.6¢$218
South Dakota15.4¢$216
Tennessee14.1¢$197
Texas15.9¢$224
Utah13.4¢$188
Vermont24.4¢$343
Virginia17.2¢$242
Washington14.9¢$209
West Virginia15.4¢$217
Wisconsin19.6¢$274
Wyoming15.2¢$214

Certified models closest in efficiency

electric water heaters within reach of 1,403 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH80 T0 FD120-M1,403$257
Friedrich PROH80 T0 FD120-MSO1,403$257
Rheem PROPH80 T0 RH120-M1,403$257
Rheem PROPH80 T0 RH120-MSO1,403$257
Rheem XE80T10HMS00U01,403$257
Richmond 10E80-HP120M1,403$257

Run your own numbers

Your rate, your numbers

Per day
70¢
Per month
$21.44
Per year
$257

1,403 kWh/yr × 18.3¢/kWh = $257/yr

Prefilled with this model's certified 1,403 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 XE80T10HM00U0 use?
ENERGY STAR certifies the Rheem XE80T10HM00U0 at 1,403 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 XE80T10HM00U0 cost to run per month?
About $21.44 a month at the U.S. average residential rate (18.3¢/kWh) — 70¢ a day, or $257 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE80T10HM00U0 energy efficient?
It uses 16% more electricity than the median certified electric water heater, which puts it among the least efficient certified models.
What does the Rheem XE80T10HM00U0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $184 a year in Nevada (13.1¢/kWh) and $740 in Hawaii (52.7¢/kWh).

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