WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Summit FFBF181ES2

The Summit FFBF181ES2 never switches off, and its certified 380 kWh a year works out to about $70 on a U.S.-average electric bill — roughly $5.81 a month for an average continuous draw of 43 watts. That puts it in the most efficient tenth of every certified bottom-freezer refrigerator — 33% less electricity than the median, ranked 74 of 1478. Where you live moves the bill from $50 a year in Nevada to $200 in Hawaii.

Uses 14% less energy than the U.S. federal minimum

Dimensions 76.8" H × 23.4" W

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

$70/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$5.81
Per day
19¢
Certified use
380 kWh/yr
Configuration
Bottom Freezer
Total capacity
11.7 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Summit FFBF181ES2 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Summit FFBF181ES2: 380 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$62
Alaska28.2¢$107
Arizona15.2¢$58
Arkansas14.1¢$54
California34.7¢$132
Colorado17.1¢$65
Connecticut24.3¢$92
Delaware19.3¢$73
District of Columbia24.4¢$93
Florida15.1¢$57
Georgia16.4¢$62
Hawaiipriciest52.7¢$200
Idaho14.4¢$55
Illinois19.9¢$76
Indiana17.5¢$67
Iowa15.9¢$61
Kansas15.7¢$60
Kentucky14.3¢$54
Louisiana13.5¢$51
Maine29.6¢$112
Maryland21.8¢$83
Massachusetts29.6¢$113
Michigan23.0¢$87
Minnesota17.5¢$67
Mississippi14.9¢$57
Missouri16.2¢$62
Montana15.1¢$58
Nebraska13.3¢$50
Nevadacheapest13.1¢$50
New Hampshire27.0¢$103
New Jersey24.9¢$95
New Mexico15.1¢$57
New York29.5¢$112
North Carolina14.7¢$56
North Dakota14.1¢$54
Ohio19.2¢$73
Oklahoma14.3¢$54
Oregon16.3¢$62
Pennsylvania21.7¢$83
Rhode Island29.2¢$111
South Carolina15.6¢$59
South Dakota15.4¢$58
Tennessee14.1¢$53
Texas15.9¢$61
Utah13.4¢$51
Vermont24.4¢$93
Virginia17.2¢$65
Washington14.9¢$57
West Virginia15.4¢$59
Wisconsin19.6¢$74
Wyoming15.2¢$58

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 380 kWh/yr
ModelkWh/yr$/yr (US avg)
Fisher & Paykel RB2470BRV1380$70
Gorenje HZF3567SED380$70
Insignia NS-RBM10SS2380$70
Insignia NS-RBM10WH2380$70
Samsung RB16DG6000380$70
Summit BF181SS380$70

Run your own numbers

Your rate, your numbers

Per day
19¢
Per month
$5.81
Per year
$70

380 kWh/yr × 18.3¢/kWh = $70/yr

Prefilled with this model's certified 380 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 Summit FFBF181ES2 use?
ENERGY STAR certifies the Summit FFBF181ES2 at 380 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 Summit FFBF181ES2 cost to run per month?
About $5.81 a month at the U.S. average residential rate (18.3¢/kWh) — 19¢ a day, or $70 a year. Your state's rate moves this up or down; see the table above.
Is the Summit FFBF181ES2 energy efficient?
It uses 33% less electricity than the median certified bottom-freezer refrigerator, placing it in the top 10% of certified models.
What does the Summit FFBF181ES2 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $50 a year in Nevada (13.1¢/kWh) and $200 in Hawaii (52.7¢/kWh).
How many watts does the Summit FFBF181ES2 draw on average?
Spread over a year of continuous operation, 380 kWh works out to an average draw of about 43 watts — like leaving a 43-watt bulb on 24/7.

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