WattCost

Data through April 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 $228 at the U.S. average electricity rate, or $19.03 a month. That's close to the middle of the certified pack — about 12% above the median electric water heater, ranked 334 of 566. The same unit costs $150 a year in North Dakota but $566 in Hawaii — electricity rates, not the appliance, make the difference.

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

$228/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$19.03
Per day
63¢
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
643 kWh1,741 kWh
Where the Rheem XE80T10HS45U1 (▮) sits among all 566 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
Alabama17.4¢$211
Alaska27.4¢$332
Arizona15.5¢$188
Arkansas14.2¢$172
California35.3¢$428
Colorado16.5¢$201
Connecticut32.2¢$391
Delaware18.8¢$228
District of Columbia25.4¢$308
Florida15.4¢$187
Georgia15.4¢$186
Hawaiipriciest46.6¢$566
Idaho12.7¢$154
Illinois20.5¢$248
Indiana17.9¢$217
Iowa13.9¢$168
Kansas15.8¢$191
Kentucky15.0¢$182
Louisiana14.4¢$175
Maine28.4¢$345
Maryland22.1¢$268
Massachusetts29.4¢$357
Michigan21.4¢$259
Minnesota16.4¢$199
Mississippi16.8¢$203
Missouri14.0¢$170
Montana13.9¢$169
Nebraska13.3¢$161
Nevada14.3¢$173
New Hampshire27.2¢$330
New Jersey23.5¢$285
New Mexico15.2¢$184
New York29.4¢$357
North Carolina16.3¢$197
North Dakotacheapest12.3¢$150
Ohio19.5¢$236
Oklahoma13.3¢$161
Oregon15.8¢$191
Pennsylvania21.5¢$260
Rhode Island28.3¢$343
South Carolina17.1¢$207
South Dakota14.5¢$176
Tennessee14.9¢$181
Texas17.0¢$206
Utah13.3¢$161
Vermont24.6¢$298
Virginia17.4¢$211
Washington14.4¢$174
West Virginia16.1¢$195
Wisconsin19.2¢$233
Wyoming14.7¢$178

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$228
Friedrich PROH80 T2 FD400-SO1,213$228
Rheem PROPH80 T2 RH375-301,213$228
Rheem PROPH80 T2 RH400-301,213$228
Rheem PROPH80 T2 RH400-SO1,213$228
Rheem XE80T10H45U01,213$228

Run your own numbers

Your rate, your numbers

Per day
63¢
Per month
$19.03
Per year
$228

1,213 kWh/yr × 18.8¢/kWh = $228/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 $19.03 a month at the U.S. average residential rate (18.8¢/kWh) — 63¢ a day, or $228 a year. Your state's rate moves this up or down; see the table above.
Is the Rheem XE80T10HS45U1 energy efficient?
It uses 12% 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 $150 a year in North Dakota (12.3¢/kWh) and $566 in Hawaii (46.6¢/kWh).

Keep digging