WattCost

Data through June 2026

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

Ruud PRO H80 T2 RU310BM

For a standard household draw pattern, the Ruud PRO H80 T2 RU310BM uses a certified 1,303 kWh per year: roughly $239 annually at the national average rate. Even among certified models it's on the thirsty end: 8% more electricity than the median electric water heater, ranked 383 of 510. The same unit costs $171 a year in Nevada but $687 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

$239/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$19.91
Per day
65¢
Certified use
1,303 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
72 gal
First-hour rating
87 gal
UEF
3.5
681 kWh1,741 kWh
Where the Ruud PRO H80 T2 RU310BM (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Ruud PRO H80 T2 RU310BM: 1,303 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$214
Alaska28.2¢$368
Arizona15.2¢$198
Arkansas14.1¢$184
California34.7¢$453
Colorado17.1¢$223
Connecticut24.3¢$317
Delaware19.3¢$251
District of Columbia24.4¢$318
Florida15.1¢$197
Georgia16.4¢$213
Hawaiipriciest52.7¢$687
Idaho14.4¢$187
Illinois19.9¢$259
Indiana17.5¢$228
Iowa15.9¢$208
Kansas15.7¢$205
Kentucky14.3¢$186
Louisiana13.5¢$176
Maine29.6¢$386
Maryland21.8¢$285
Massachusetts29.6¢$386
Michigan23.0¢$300
Minnesota17.5¢$228
Mississippi14.9¢$194
Missouri16.2¢$211
Montana15.1¢$197
Nebraska13.3¢$173
Nevadacheapest13.1¢$171
New Hampshire27.0¢$352
New Jersey24.9¢$325
New Mexico15.1¢$196
New York29.5¢$384
North Carolina14.7¢$192
North Dakota14.1¢$184
Ohio19.2¢$250
Oklahoma14.3¢$187
Oregon16.3¢$213
Pennsylvania21.7¢$283
Rhode Island29.2¢$381
South Carolina15.6¢$203
South Dakota15.4¢$200
Tennessee14.1¢$183
Texas15.9¢$208
Utah13.4¢$174
Vermont24.4¢$318
Virginia17.2¢$224
Washington14.9¢$194
West Virginia15.4¢$201
Wisconsin19.6¢$255
Wyoming15.2¢$199

Certified models closest in efficiency

electric water heaters within reach of 1,303 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH80 T2 FD310BM1,303$239
Friedrich PROH80 T2 FD310UM1,303$239
Friedrich PROH80 T2 FD350BM1,303$239
Friedrich PROH80 T2 FD350UM1,303$239
Rheem PRO H80 T2 RH310BM1,303$239
Rheem PRO H80 T2 RH310UM1,303$239

Run your own numbers

Your rate, your numbers

Per day
65¢
Per month
$19.91
Per year
$239

1,303 kWh/yr × 18.3¢/kWh = $239/yr

Prefilled with this model's certified 1,303 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 Ruud PRO H80 T2 RU310BM use?
ENERGY STAR certifies the Ruud PRO H80 T2 RU310BM at 1,303 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 Ruud PRO H80 T2 RU310BM cost to run per month?
About $19.91 a month at the U.S. average residential rate (18.3¢/kWh) — 65¢ a day, or $239 a year. Your state's rate moves this up or down; see the table above.
Is the Ruud PRO H80 T2 RU310BM energy efficient?
It uses 8% more electricity than the median certified electric water heater, which puts it among the least efficient certified models.
What does the Ruud PRO H80 T2 RU310BM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $171 a year in Nevada (13.1¢/kWh) and $687 in Hawaii (52.7¢/kWh).

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