WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Insignia NS-WC29SS3

Running around the clock, the Insignia NS-WC29SS3 uses a certified 143 kWh per year — about $27 at the U.S. average rate, or $2.24 a month, the equivalent of a steady 16-watt draw. That's close to the middle of the certified pack — about 0% above the median compact-cooler refrigerator, ranked 36 of 81. Where you live moves the bill from $18 a year in North Dakota to $67 in Hawaii.

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

$27/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$2.24
Per day
7¢
Certified use
143 kWh/yr
Configuration
Compact Cooler
Total capacity
3.3 cu ft
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Insignia NS-WC29SS3 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Insignia NS-WC29SS3: 143 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$25
Alaska27.4¢$39
Arizona15.5¢$22
Arkansas14.2¢$20
California35.3¢$50
Colorado16.5¢$24
Connecticut32.2¢$46
Delaware18.8¢$27
District of Columbia25.4¢$36
Florida15.4¢$22
Georgia15.4¢$22
Hawaiipriciest46.6¢$67
Idaho12.7¢$18
Illinois20.5¢$29
Indiana17.9¢$26
Iowa13.9¢$20
Kansas15.8¢$23
Kentucky15.0¢$21
Louisiana14.4¢$21
Maine28.4¢$41
Maryland22.1¢$32
Massachusetts29.4¢$42
Michigan21.4¢$31
Minnesota16.4¢$23
Mississippi16.8¢$24
Missouri14.0¢$20
Montana13.9¢$20
Nebraska13.3¢$19
Nevada14.3¢$20
New Hampshire27.2¢$39
New Jersey23.5¢$34
New Mexico15.2¢$22
New York29.4¢$42
North Carolina16.3¢$23
North Dakotacheapest12.3¢$18
Ohio19.5¢$28
Oklahoma13.3¢$19
Oregon15.8¢$23
Pennsylvania21.5¢$31
Rhode Island28.3¢$40
South Carolina17.1¢$24
South Dakota14.5¢$21
Tennessee14.9¢$21
Texas17.0¢$24
Utah13.3¢$19
Vermont24.6¢$35
Virginia17.4¢$25
Washington14.4¢$21
West Virginia16.1¢$23
Wisconsin19.2¢$27
Wyoming14.7¢$21

Certified models closest in efficiency

compact-cooler refrigerators within reach of 143 kWh/yr
ModelkWh/yr$/yr (US avg)
AVALLON AWC152DPRGLH143$27
Insignia NS-WC29SS26L143$27
XO XOU15WGBSL143$27
XO XOU15WGBSR143$27
XO XOU15WGOL143$27
XO XOU15WGOR143$27

Run your own numbers

Your rate, your numbers

Per day
7¢
Per month
$2.24
Per year
$27

143 kWh/yr × 18.8¢/kWh = $27/yr

Prefilled with this model's certified 143 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 Insignia NS-WC29SS3 use?
ENERGY STAR certifies the Insignia NS-WC29SS3 at 143 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 Insignia NS-WC29SS3 cost to run per month?
About $2.24 a month at the U.S. average residential rate (18.8¢/kWh) — 7¢ a day, or $27 a year. Your state's rate moves this up or down; see the table above.
Is the Insignia NS-WC29SS3 energy efficient?
It uses 0% less electricity than the median certified compact-cooler refrigerator.
What does the Insignia NS-WC29SS3 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $18 a year in North Dakota (12.3¢/kWh) and $67 in Hawaii (46.6¢/kWh).
How many watts does the Insignia NS-WC29SS3 draw on average?
Spread over a year of continuous operation, 143 kWh works out to an average draw of about 16 watts — like leaving a 16-watt bulb on 24/7.

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