WattCost

Data through April 2026

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

Ruud PROUH80 T2 RU375-30

For a standard household draw pattern, the Ruud PROUH80 T2 RU375-30 uses a certified 1,213 kWh per year: roughly $228 annually at the national average rate. Efficiency-wise it's unremarkable in a good way: within 12% of the median certified electric water heater (rank 338 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 Ruud PROUH80 T2 RU375-30 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Ruud PROUH80 T2 RU375-30: 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 Ruud PROUH80 T2 RU375-30 use?
ENERGY STAR certifies the Ruud PROUH80 T2 RU375-30 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 Ruud PROUH80 T2 RU375-30 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 Ruud PROUH80 T2 RU375-30 energy efficient?
It uses 12% more electricity than the median certified electric water heater.
What does the Ruud PROUH80 T2 RU375-30 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).

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