WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Zephyr PRW15C01CG

The Zephyr PRW15C01CG never switches off, and its certified 145 kWh a year works out to about $27 on a U.S.-average electric bill — roughly $2.22 a month for an average continuous draw of 17 watts. That's close to the middle of the certified pack — about 1% above the median compact-cooler refrigerator, ranked 58 of 93. Where you live moves the bill from $19 a year in Nevada to $76 in Hawaii.

Uses 21% less energy than the U.S. federal minimum

Dimensions 33.9" H × 15" W

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

$27/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$2.22
Per day
7¢
Certified use
145 kWh/yr
Configuration
Compact Cooler
Total capacity
3.4 cu ft
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Zephyr PRW15C01CG (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Zephyr PRW15C01CG: 145 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$24
Alaska28.2¢$41
Arizona15.2¢$22
Arkansas14.1¢$20
California34.7¢$50
Colorado17.1¢$25
Connecticut24.3¢$35
Delaware19.3¢$28
District of Columbia24.4¢$35
Florida15.1¢$22
Georgia16.4¢$24
Hawaiipriciest52.7¢$76
Idaho14.4¢$21
Illinois19.9¢$29
Indiana17.5¢$25
Iowa15.9¢$23
Kansas15.7¢$23
Kentucky14.3¢$21
Louisiana13.5¢$20
Maine29.6¢$43
Maryland21.8¢$32
Massachusetts29.6¢$43
Michigan23.0¢$33
Minnesota17.5¢$25
Mississippi14.9¢$22
Missouri16.2¢$24
Montana15.1¢$22
Nebraska13.3¢$19
Nevadacheapest13.1¢$19
New Hampshire27.0¢$39
New Jersey24.9¢$36
New Mexico15.1¢$22
New York29.5¢$43
North Carolina14.7¢$21
North Dakota14.1¢$20
Ohio19.2¢$28
Oklahoma14.3¢$21
Oregon16.3¢$24
Pennsylvania21.7¢$32
Rhode Island29.2¢$42
South Carolina15.6¢$23
South Dakota15.4¢$22
Tennessee14.1¢$20
Texas15.9¢$23
Utah13.4¢$19
Vermont24.4¢$35
Virginia17.2¢$25
Washington14.9¢$22
West Virginia15.4¢$22
Wisconsin19.6¢$28
Wyoming15.2¢$22

Certified models closest in efficiency

compact-cooler refrigerators within reach of 145 kWh/yr
ModelkWh/yr$/yr (US avg)
AVALLON AWC152SPRGLH144$26
AVALLON AWC152DPRGLH143$26
Insignia NS-WC29SS26L143$26
Insignia NS-WC29SS3143$26
XO XOU15WGBSL143$26
XO XOU15WGBSR143$26

Run your own numbers

Your rate, your numbers

Per day
7¢
Per month
$2.22
Per year
$27

145 kWh/yr × 18.3¢/kWh = $27/yr

Prefilled with this model's certified 145 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 Zephyr PRW15C01CG use?
ENERGY STAR certifies the Zephyr PRW15C01CG at 145 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 Zephyr PRW15C01CG cost to run per month?
About $2.22 a month at the U.S. average residential rate (18.3¢/kWh) — 7¢ a day, or $27 a year. Your state's rate moves this up or down; see the table above.
Is the Zephyr PRW15C01CG energy efficient?
It uses 1% more electricity than the median certified compact-cooler refrigerator.
What does the Zephyr PRW15C01CG cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $19 a year in Nevada (13.1¢/kWh) and $76 in Hawaii (52.7¢/kWh).
How many watts does the Zephyr PRW15C01CG draw on average?
Spread over a year of continuous operation, 145 kWh works out to an average draw of about 17 watts — like leaving a 17-watt bulb on 24/7.

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