WattCost

Data through June 2026

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

Richmond 10E50-HP120

Heating a typical household's hot water, the Richmond 10E50-HP120 is certified at 1,082 kWh a year — about $198 at the U.S. average electricity rate, or $16.54 a month. Efficiency-wise it's unremarkable in a good way: within 11% of the median certified electric water heater (rank 238 of 510). Where you live moves the bill from $142 a year in Nevada to $570 in Hawaii.

Dimensions 65" H × 22.3" W

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

$198/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$16.54
Per day
54¢
Certified use
1,082 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
46 gal
First-hour rating
51 gal
UEF
3
681 kWh1,741 kWh
Where the Richmond 10E50-HP120 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Richmond 10E50-HP120: 1,082 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$177
Alaska28.2¢$305
Arizona15.2¢$164
Arkansas14.1¢$153
California34.7¢$376
Colorado17.1¢$185
Connecticut24.3¢$263
Delaware19.3¢$209
District of Columbia24.4¢$264
Florida15.1¢$163
Georgia16.4¢$177
Hawaiipriciest52.7¢$570
Idaho14.4¢$155
Illinois19.9¢$215
Indiana17.5¢$189
Iowa15.9¢$172
Kansas15.7¢$170
Kentucky14.3¢$154
Louisiana13.5¢$146
Maine29.6¢$320
Maryland21.8¢$236
Massachusetts29.6¢$320
Michigan23.0¢$249
Minnesota17.5¢$190
Mississippi14.9¢$161
Missouri16.2¢$176
Montana15.1¢$164
Nebraska13.3¢$143
Nevadacheapest13.1¢$142
New Hampshire27.0¢$292
New Jersey24.9¢$270
New Mexico15.1¢$163
New York29.5¢$319
North Carolina14.7¢$159
North Dakota14.1¢$153
Ohio19.2¢$208
Oklahoma14.3¢$155
Oregon16.3¢$177
Pennsylvania21.7¢$235
Rhode Island29.2¢$316
South Carolina15.6¢$168
South Dakota15.4¢$166
Tennessee14.1¢$152
Texas15.9¢$172
Utah13.4¢$145
Vermont24.4¢$264
Virginia17.2¢$186
Washington14.9¢$161
West Virginia15.4¢$167
Wisconsin19.6¢$212
Wyoming15.2¢$165

Certified models closest in efficiency

electric water heaters within reach of 1,082 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH50 T0 FD1201,082$198
Rheem PROPH50 T0 RH1201,082$198
Rheem XE50T10H15U01,082$198
Rheem XE50T10HD00U01,082$198
Ruud PROUH50 T0 RU1201,082$198
Friedrich PROH50 T0 FD120-M1,072$197

Run your own numbers

Your rate, your numbers

Per day
54¢
Per month
$16.54
Per year
$198

1,082 kWh/yr × 18.3¢/kWh = $198/yr

Prefilled with this model's certified 1,082 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 Richmond 10E50-HP120 use?
ENERGY STAR certifies the Richmond 10E50-HP120 at 1,082 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 Richmond 10E50-HP120 cost to run per month?
About $16.54 a month at the U.S. average residential rate (18.3¢/kWh) — 54¢ a day, or $198 a year. Your state's rate moves this up or down; see the table above.
Is the Richmond 10E50-HP120 energy efficient?
It uses 11% less electricity than the median certified electric water heater.
What does the Richmond 10E50-HP120 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $142 a year in Nevada (13.1¢/kWh) and $570 in Hawaii (52.7¢/kWh).

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