WattCost

Data through April 2026

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

VAUGHN THERMAL ME50HPT-CN

For a standard household draw pattern, the VAUGHN THERMAL ME50HPT-CN uses a certified 938 kWh per year: roughly $177 annually at the national average rate. Efficiency-wise it's unremarkable in a good way: within 13% of the median certified electric water heater (rank 248 of 566). The same unit costs $116 a year in North Dakota but $437 in Hawaii — electricity rates, not the appliance, make the difference.

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

$177/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$14.72
Per day
48¢
Certified use
938 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
47 gal
First-hour rating
58 gal
UEF
3.46
643 kWh1,741 kWh
Where the VAUGHN THERMAL ME50HPT-CN (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

VAUGHN THERMAL ME50HPT-CN: 938 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$163
Alaska27.4¢$257
Arizona15.5¢$145
Arkansas14.2¢$133
California35.3¢$331
Colorado16.5¢$155
Connecticut32.2¢$302
Delaware18.8¢$176
District of Columbia25.4¢$238
Florida15.4¢$144
Georgia15.4¢$144
Hawaiipriciest46.6¢$437
Idaho12.7¢$119
Illinois20.5¢$192
Indiana17.9¢$168
Iowa13.9¢$130
Kansas15.8¢$148
Kentucky15.0¢$141
Louisiana14.4¢$135
Maine28.4¢$267
Maryland22.1¢$207
Massachusetts29.4¢$276
Michigan21.4¢$201
Minnesota16.4¢$154
Mississippi16.8¢$157
Missouri14.0¢$131
Montana13.9¢$130
Nebraska13.3¢$125
Nevada14.3¢$134
New Hampshire27.2¢$256
New Jersey23.5¢$221
New Mexico15.2¢$142
New York29.4¢$276
North Carolina16.3¢$152
North Dakotacheapest12.3¢$116
Ohio19.5¢$183
Oklahoma13.3¢$125
Oregon15.8¢$148
Pennsylvania21.5¢$201
Rhode Island28.3¢$265
South Carolina17.1¢$160
South Dakota14.5¢$136
Tennessee14.9¢$140
Texas17.0¢$159
Utah13.3¢$125
Vermont24.6¢$230
Virginia17.4¢$163
Washington14.4¢$135
West Virginia16.1¢$151
Wisconsin19.2¢$180
Wyoming14.7¢$138

Certified models closest in efficiency

electric water heaters within reach of 938 kWh/yr
ModelkWh/yr$/yr (US avg)
Hubbell ME50HPT938$177
Noritz NHP50938$177
VAUGHN THERMAL ME50HPT938$177
Bradford White RE2H50S944$178
JETGLAS RE2H50S944$178
A. O. Smith HPACO-45 1**+AXST-50S 1923$174

Run your own numbers

Your rate, your numbers

Per day
48¢
Per month
$14.72
Per year
$177

938 kWh/yr × 18.8¢/kWh = $177/yr

Prefilled with this model's certified 938 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 VAUGHN THERMAL ME50HPT-CN use?
ENERGY STAR certifies the VAUGHN THERMAL ME50HPT-CN at 938 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 VAUGHN THERMAL ME50HPT-CN cost to run per month?
About $14.72 a month at the U.S. average residential rate (18.8¢/kWh) — 48¢ a day, or $177 a year. Your state's rate moves this up or down; see the table above.
Is the VAUGHN THERMAL ME50HPT-CN energy efficient?
It uses 13% less electricity than the median certified electric water heater.
What does the VAUGHN THERMAL ME50HPT-CN cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $116 a year in North Dakota (12.3¢/kWh) and $437 in Hawaii (46.6¢/kWh).

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