WattCost

Data through April 2026

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

Richmond 10E65-HP120MS

Heating a typical household's hot water, the Richmond 10E65-HP120MS is certified at 971 kWh a year — about $183 at the U.S. average electricity rate, or $15.24 a month. That's close to the middle of the certified pack — about 10% under the median electric water heater, ranked 263 of 566. The same unit costs $120 a year in North Dakota but $453 in Hawaii — electricity rates, not the appliance, make the difference.

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

$183/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$15.24
Per day
50¢
Certified use
971 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
59 gal
First-hour rating
63 gal
UEF
3.12
643 kWh1,741 kWh
Where the Richmond 10E65-HP120MS (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Richmond 10E65-HP120MS: 971 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$169
Alaska27.4¢$266
Arizona15.5¢$150
Arkansas14.2¢$137
California35.3¢$342
Colorado16.5¢$161
Connecticut32.2¢$313
Delaware18.8¢$182
District of Columbia25.4¢$247
Florida15.4¢$149
Georgia15.4¢$149
Hawaiipriciest46.6¢$453
Idaho12.7¢$123
Illinois20.5¢$199
Indiana17.9¢$174
Iowa13.9¢$135
Kansas15.8¢$153
Kentucky15.0¢$146
Louisiana14.4¢$140
Maine28.4¢$276
Maryland22.1¢$214
Massachusetts29.4¢$286
Michigan21.4¢$208
Minnesota16.4¢$159
Mississippi16.8¢$163
Missouri14.0¢$136
Montana13.9¢$135
Nebraska13.3¢$129
Nevada14.3¢$139
New Hampshire27.2¢$265
New Jersey23.5¢$228
New Mexico15.2¢$147
New York29.4¢$286
North Carolina16.3¢$158
North Dakotacheapest12.3¢$120
Ohio19.5¢$189
Oklahoma13.3¢$129
Oregon15.8¢$153
Pennsylvania21.5¢$208
Rhode Island28.3¢$275
South Carolina17.1¢$166
South Dakota14.5¢$141
Tennessee14.9¢$145
Texas17.0¢$165
Utah13.3¢$129
Vermont24.6¢$238
Virginia17.4¢$169
Washington14.4¢$139
West Virginia16.1¢$156
Wisconsin19.2¢$187
Wyoming14.7¢$143

Certified models closest in efficiency

electric water heaters within reach of 971 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH65 T0 FD120-M971$183
Friedrich PROH65 T0 FD120-MSO971$183
Rheem PROPH65 T0 RH120-M971$183
Rheem PROPH65 T0 RH120-MSO971$183
Rheem XE65T10HM00U0971$183
Rheem XE65T10HMS00U0971$183

Run your own numbers

Your rate, your numbers

Per day
50¢
Per month
$15.24
Per year
$183

971 kWh/yr × 18.8¢/kWh = $183/yr

Prefilled with this model's certified 971 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 10E65-HP120MS use?
ENERGY STAR certifies the Richmond 10E65-HP120MS at 971 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 10E65-HP120MS cost to run per month?
About $15.24 a month at the U.S. average residential rate (18.8¢/kWh) — 50¢ a day, or $183 a year. Your state's rate moves this up or down; see the table above.
Is the Richmond 10E65-HP120MS energy efficient?
It uses 10% less electricity than the median certified electric water heater.
What does the Richmond 10E65-HP120MS cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $120 a year in North Dakota (12.3¢/kWh) and $453 in Hawaii (46.6¢/kWh).

Keep digging