WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Insignia NS-RBM11SS2

Running around the clock, the Insignia NS-RBM11SS2 uses a certified 395 kWh per year — about $74 at the U.S. average rate, or $6.20 a month, the equivalent of a steady 45-watt draw. That puts it in the most efficient tenth of every certified bottom-freezer refrigerator — 30% less electricity than the median, ranked 116 of 1458. The same unit costs $49 a year in North Dakota but $184 in Hawaii — electricity rates, not the appliance, make the difference.

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

Dimensions 67.9" H × 27.1" W

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

$74/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$6.20
Per day
20¢
Certified use
395 kWh/yr
Configuration
Bottom Freezer
Total capacity
11.5 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Insignia NS-RBM11SS2 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Insignia NS-RBM11SS2: 395 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$69
Alaska27.4¢$108
Arizona15.5¢$61
Arkansas14.2¢$56
California35.3¢$139
Colorado16.5¢$65
Connecticut32.2¢$127
Delaware18.8¢$74
District of Columbia25.4¢$100
Florida15.4¢$61
Georgia15.4¢$61
Hawaiipriciest46.6¢$184
Idaho12.7¢$50
Illinois20.5¢$81
Indiana17.9¢$71
Iowa13.9¢$55
Kansas15.8¢$62
Kentucky15.0¢$59
Louisiana14.4¢$57
Maine28.4¢$112
Maryland22.1¢$87
Massachusetts29.4¢$116
Michigan21.4¢$84
Minnesota16.4¢$65
Mississippi16.8¢$66
Missouri14.0¢$55
Montana13.9¢$55
Nebraska13.3¢$52
Nevada14.3¢$56
New Hampshire27.2¢$108
New Jersey23.5¢$93
New Mexico15.2¢$60
New York29.4¢$116
North Carolina16.3¢$64
North Dakotacheapest12.3¢$49
Ohio19.5¢$77
Oklahoma13.3¢$53
Oregon15.8¢$62
Pennsylvania21.5¢$85
Rhode Island28.3¢$112
South Carolina17.1¢$67
South Dakota14.5¢$57
Tennessee14.9¢$59
Texas17.0¢$67
Utah13.3¢$52
Vermont24.6¢$97
Virginia17.4¢$69
Washington14.4¢$57
West Virginia16.1¢$63
Wisconsin19.2¢$76
Wyoming14.7¢$58

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 395 kWh/yr
ModelkWh/yr$/yr (US avg)
Frigidaire FRBE1226AV395$74
Insignia NS-RBM11**2395$74
Insignia NS-RBM11WH2395$74
Midea MRB12B1395$74
BERTAZZONII RBM24F4FXNV396$75
Elica ER24SRB11XVS396$75

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$6.20
Per year
$74

395 kWh/yr × 18.8¢/kWh = $74/yr

Prefilled with this model's certified 395 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-RBM11SS2 use?
ENERGY STAR certifies the Insignia NS-RBM11SS2 at 395 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-RBM11SS2 cost to run per month?
About $6.20 a month at the U.S. average residential rate (18.8¢/kWh) — 20¢ a day, or $74 a year. Your state's rate moves this up or down; see the table above.
Is the Insignia NS-RBM11SS2 energy efficient?
It uses 30% less electricity than the median certified bottom-freezer refrigerator, placing it in the top 10% of certified models.
What does the Insignia NS-RBM11SS2 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $49 a year in North Dakota (12.3¢/kWh) and $184 in Hawaii (46.6¢/kWh).
How many watts does the Insignia NS-RBM11SS2 draw on average?
Spread over a year of continuous operation, 395 kWh works out to an average draw of about 45 watts — like leaving a 45-watt bulb on 24/7.

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