WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

LG LS23NCP20

The LG LS23NCP20 never switches off, and its certified 495 kWh a year works out to about $91 on a U.S.-average electric bill — roughly $7.57 a month for an average continuous draw of 57 watts. Compared with the median certified side-by-side refrigerator, it uses 23% less electricity — rank 14 out of 119. Where you live moves the bill from $65 a year in Nevada to $261 in Hawaii.

Uses 10% less energy than the U.S. federal minimum

Dimensions 70.5" H × 36" W

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

$91/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$7.57
Per day
25¢
Certified use
495 kWh/yr
Configuration
Side-by-Side
Total capacity
23.4 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the LG LS23NCP20 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

LG LS23NCP20: 495 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$81
Alaska28.2¢$140
Arizona15.2¢$75
Arkansas14.1¢$70
California34.7¢$172
Colorado17.1¢$85
Connecticut24.3¢$120
Delaware19.3¢$95
District of Columbia24.4¢$121
Florida15.1¢$75
Georgia16.4¢$81
Hawaiipriciest52.7¢$261
Idaho14.4¢$71
Illinois19.9¢$98
Indiana17.5¢$87
Iowa15.9¢$79
Kansas15.7¢$78
Kentucky14.3¢$71
Louisiana13.5¢$67
Maine29.6¢$146
Maryland21.8¢$108
Massachusetts29.6¢$147
Michigan23.0¢$114
Minnesota17.5¢$87
Mississippi14.9¢$74
Missouri16.2¢$80
Montana15.1¢$75
Nebraska13.3¢$66
Nevadacheapest13.1¢$65
New Hampshire27.0¢$134
New Jersey24.9¢$124
New Mexico15.1¢$75
New York29.5¢$146
North Carolina14.7¢$73
North Dakota14.1¢$70
Ohio19.2¢$95
Oklahoma14.3¢$71
Oregon16.3¢$81
Pennsylvania21.7¢$108
Rhode Island29.2¢$145
South Carolina15.6¢$77
South Dakota15.4¢$76
Tennessee14.1¢$70
Texas15.9¢$79
Utah13.4¢$66
Vermont24.4¢$121
Virginia17.2¢$85
Washington14.9¢$74
West Virginia15.4¢$76
Wisconsin19.6¢$97
Wyoming15.2¢$75

Certified models closest in efficiency

side-by-side refrigerators within reach of 495 kWh/yr
ModelkWh/yr$/yr (US avg)
LG LS23C4000518$95
Frigidaire FRSN2610A524$96
Hamilton Beach HBF2064/HZ4602460$84
Hamilton Beach HBF2065-SSBLACK460$84
iceBerry LS-207BSSD460$84
iceBlue LS-207BSSD460$84

Run your own numbers

Your rate, your numbers

Per day
25¢
Per month
$7.57
Per year
$91

495 kWh/yr × 18.3¢/kWh = $91/yr

Prefilled with this model's certified 495 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.

Questions, answered with the data

How much electricity does the LG LS23NCP20 use?
ENERGY STAR certifies the LG LS23NCP20 at 495 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.
How much does the LG LS23NCP20 cost to run per month?
About $7.57 a month at the U.S. average residential rate (18.3¢/kWh) — 25¢ a day, or $91 a year. Your state's rate moves this up or down; see the table above.
Is the LG LS23NCP20 energy efficient?
It uses 23% less electricity than the median certified side-by-side refrigerator, placing it in the efficient third of certified models.
What does the LG LS23NCP20 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $65 a year in Nevada (13.1¢/kWh) and $261 in Hawaii (52.7¢/kWh).
How many watts does the LG LS23NCP20 draw on average?
Spread over a year of continuous operation, 495 kWh works out to an average draw of about 57 watts — like leaving a 57-watt bulb on 24/7.

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