WattCost

Data through June 2026

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

Midea MAHW-80VN3B

Heating a typical household's hot water, the Midea MAHW-80VN3B is certified at 1,230 kWh a year — about $226 at the U.S. average electricity rate, or $18.80 a month. Efficiency-wise it's unremarkable in a good way: within 2% of the median certified electric water heater (rank 276 of 510). The same unit costs $161 a year in Nevada but $648 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 41.7" H × 21.8" W

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

$226/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$18.80
Per day
62¢
Certified use
1,230 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
75 gal
First-hour rating
91 gal
UEF
4
681 kWh1,741 kWh
Where the Midea MAHW-80VN3B (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Midea MAHW-80VN3B: 1,230 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$202
Alaska28.2¢$347
Arizona15.2¢$187
Arkansas14.1¢$174
California34.7¢$427
Colorado17.1¢$211
Connecticut24.3¢$299
Delaware19.3¢$237
District of Columbia24.4¢$300
Florida15.1¢$186
Georgia16.4¢$201
Hawaiipriciest52.7¢$648
Idaho14.4¢$177
Illinois19.9¢$245
Indiana17.5¢$215
Iowa15.9¢$196
Kansas15.7¢$193
Kentucky14.3¢$175
Louisiana13.5¢$166
Maine29.6¢$364
Maryland21.8¢$269
Massachusetts29.6¢$364
Michigan23.0¢$283
Minnesota17.5¢$215
Mississippi14.9¢$183
Missouri16.2¢$200
Montana15.1¢$186
Nebraska13.3¢$163
Nevadacheapest13.1¢$161
New Hampshire27.0¢$332
New Jersey24.9¢$307
New Mexico15.1¢$185
New York29.5¢$363
North Carolina14.7¢$181
North Dakota14.1¢$174
Ohio19.2¢$236
Oklahoma14.3¢$176
Oregon16.3¢$201
Pennsylvania21.7¢$267
Rhode Island29.2¢$360
South Carolina15.6¢$191
South Dakota15.4¢$189
Tennessee14.1¢$173
Texas15.9¢$196
Utah13.4¢$164
Vermont24.4¢$301
Virginia17.2¢$212
Washington14.9¢$183
West Virginia15.4¢$190
Wisconsin19.6¢$241
Wyoming15.2¢$187

Certified models closest in efficiency

electric water heaters within reach of 1,230 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea CAN3-RSJ-15/300RDVN3-L41,230$226
Midea MCHW-80VN3B1,230$226
Midea US3-RSJ-15/300RDVN3-L41,230$226
Rinnai REHP80CW1,230$226
Rinnai REHP80W1,230$226
A. O. Smith HPS10-66H45DV 21,233$226

Run your own numbers

Your rate, your numbers

Per day
62¢
Per month
$18.80
Per year
$226

1,230 kWh/yr × 18.3¢/kWh = $226/yr

Prefilled with this model's certified 1,230 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 Midea MAHW-80VN3B use?
ENERGY STAR certifies the Midea MAHW-80VN3B at 1,230 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 Midea MAHW-80VN3B cost to run per month?
About $18.80 a month at the U.S. average residential rate (18.3¢/kWh) — 62¢ a day, or $226 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAHW-80VN3B energy efficient?
It uses 2% more electricity than the median certified electric water heater.
What does the Midea MAHW-80VN3B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $161 a year in Nevada (13.1¢/kWh) and $648 in Hawaii (52.7¢/kWh).

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