WattCost

Data through June 2026

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

LG APHWC501D

For a standard household draw pattern, the LG APHWC501D uses a certified 1,262 kWh per year: roughly $231 annually at the national average rate. Efficiency-wise it's unremarkable in a good way: within 4% of the median certified electric water heater (rank 337 of 510). Where you live moves the bill from $165 a year in Nevada to $665 in Hawaii.

Dimensions 47.6" H × 19.7" W

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

$231/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$19.29
Per day
63¢
Certified use
1,262 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
53 gal
First-hour rating
76 gal
UEF
3.93
681 kWh1,741 kWh
Where the LG APHWC501D (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

LG APHWC501D: 1,262 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$207
Alaska28.2¢$356
Arizona15.2¢$192
Arkansas14.1¢$178
California34.7¢$438
Colorado17.1¢$216
Connecticut24.3¢$307
Delaware19.3¢$243
District of Columbia24.4¢$308
Florida15.1¢$191
Georgia16.4¢$206
Hawaiipriciest52.7¢$665
Idaho14.4¢$181
Illinois19.9¢$251
Indiana17.5¢$221
Iowa15.9¢$201
Kansas15.7¢$198
Kentucky14.3¢$180
Louisiana13.5¢$170
Maine29.6¢$373
Maryland21.8¢$276
Massachusetts29.6¢$374
Michigan23.0¢$290
Minnesota17.5¢$221
Mississippi14.9¢$188
Missouri16.2¢$205
Montana15.1¢$191
Nebraska13.3¢$167
Nevadacheapest13.1¢$165
New Hampshire27.0¢$341
New Jersey24.9¢$315
New Mexico15.1¢$190
New York29.5¢$372
North Carolina14.7¢$186
North Dakota14.1¢$178
Ohio19.2¢$242
Oklahoma14.3¢$181
Oregon16.3¢$206
Pennsylvania21.7¢$274
Rhode Island29.2¢$369
South Carolina15.6¢$196
South Dakota15.4¢$194
Tennessee14.1¢$178
Texas15.9¢$201
Utah13.4¢$169
Vermont24.4¢$308
Virginia17.2¢$217
Washington14.9¢$188
West Virginia15.4¢$195
Wisconsin19.6¢$247
Wyoming15.2¢$192

Certified models closest in efficiency

electric water heaters within reach of 1,262 kWh/yr
ModelkWh/yr$/yr (US avg)
LG APHWC501L1,262$231
LG APHWC501M1,262$231
Navien NWP500S080AUMB1,265$232
LG APHWC801D1,272$233
LG APHWC801L1,272$233
LG APHWC801M1,272$233

Run your own numbers

Your rate, your numbers

Per day
63¢
Per month
$19.29
Per year
$231

1,262 kWh/yr × 18.3¢/kWh = $231/yr

Prefilled with this model's certified 1,262 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 LG APHWC501D use?
ENERGY STAR certifies the LG APHWC501D at 1,262 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 LG APHWC501D cost to run per month?
About $19.29 a month at the U.S. average residential rate (18.3¢/kWh) — 63¢ a day, or $231 a year. Your state's rate moves this up or down; see the table above.
Is the LG APHWC501D energy efficient?
It uses 4% more electricity than the median certified electric water heater.
What does the LG APHWC501D cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $165 a year in Nevada (13.1¢/kWh) and $665 in Hawaii (52.7¢/kWh).

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