WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Monogram ZIR301NPN

The Monogram ZIR301NPN never switches off, and its certified 332 kWh a year works out to about $61 on a U.S.-average electric bill — roughly $5.07 a month for an average continuous draw of 38 watts. Even among certified models it's on the thirsty end: 15% more electricity than the median freezerless-and-single-door refrigerator, ranked 240 of 269. The same unit costs $44 a year in Nevada but $175 in Hawaii — electricity rates, not the appliance, make the difference.

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

Dimensions 83.4" H × 29.3" W

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

$61/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$5.07
Per day
17¢
Certified use
332 kWh/yr
Configuration
Freezerless and Single Door
Total capacity
17.6 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Monogram ZIR301NPN (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Monogram ZIR301NPN: 332 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$54
Alaska28.2¢$94
Arizona15.2¢$50
Arkansas14.1¢$47
California34.7¢$115
Colorado17.1¢$57
Connecticut24.3¢$81
Delaware19.3¢$64
District of Columbia24.4¢$81
Florida15.1¢$50
Georgia16.4¢$54
Hawaiipriciest52.7¢$175
Idaho14.4¢$48
Illinois19.9¢$66
Indiana17.5¢$58
Iowa15.9¢$53
Kansas15.7¢$52
Kentucky14.3¢$47
Louisiana13.5¢$45
Maine29.6¢$98
Maryland21.8¢$73
Massachusetts29.6¢$98
Michigan23.0¢$76
Minnesota17.5¢$58
Mississippi14.9¢$49
Missouri16.2¢$54
Montana15.1¢$50
Nebraska13.3¢$44
Nevadacheapest13.1¢$44
New Hampshire27.0¢$90
New Jersey24.9¢$83
New Mexico15.1¢$50
New York29.5¢$98
North Carolina14.7¢$49
North Dakota14.1¢$47
Ohio19.2¢$64
Oklahoma14.3¢$48
Oregon16.3¢$54
Pennsylvania21.7¢$72
Rhode Island29.2¢$97
South Carolina15.6¢$52
South Dakota15.4¢$51
Tennessee14.1¢$47
Texas15.9¢$53
Utah13.4¢$44
Vermont24.4¢$81
Virginia17.2¢$57
Washington14.9¢$50
West Virginia15.4¢$51
Wisconsin19.6¢$65
Wyoming15.2¢$51

Certified models closest in efficiency

freezerless-and-single-door refrigerators within reach of 332 kWh/yr
ModelkWh/yr$/yr (US avg)
Monogram ZIR301NBR332$61
Monogram ZIR301NPP332$61
Sub-Zero DEC3050R332$61
Gaggenau RVC477790333$61
Jenn-Air ALOVE30RRC0330$61
Jenn-Air JBRF*30IGX330$61

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.07
Per year
$61

332 kWh/yr × 18.3¢/kWh = $61/yr

Prefilled with this model's certified 332 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 Monogram ZIR301NPN use?
ENERGY STAR certifies the Monogram ZIR301NPN at 332 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 Monogram ZIR301NPN cost to run per month?
About $5.07 a month at the U.S. average residential rate (18.3¢/kWh) — 17¢ a day, or $61 a year. Your state's rate moves this up or down; see the table above.
Is the Monogram ZIR301NPN energy efficient?
It uses 15% more electricity than the median certified freezerless-and-single-door refrigerator, which puts it among the least efficient certified models.
What does the Monogram ZIR301NPN cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $44 a year in Nevada (13.1¢/kWh) and $175 in Hawaii (52.7¢/kWh).
How many watts does the Monogram ZIR301NPN draw on average?
Spread over a year of continuous operation, 332 kWh works out to an average draw of about 38 watts — like leaving a 38-watt bulb on 24/7.

Keep digging