WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

DOMETIC C40G1

The DOMETIC C40G1 never switches off, and its certified 162 kWh a year works out to about $31 on a U.S.-average electric bill — roughly $2.54 a month for an average continuous draw of 18 watts. Only a handful of certified compact refrigerators do better: it ranks 25 of 1589 and undercuts the median by 34%. The same unit costs $20 a year in North Dakota but $76 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$31/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$2.54
Per day
8¢
Certified use
162 kWh/yr
Configuration
Compact Refrigerator
Total capacity
1.1 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the DOMETIC C40G1 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

DOMETIC C40G1: 162 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$28
Alaska27.4¢$44
Arizona15.5¢$25
Arkansas14.2¢$23
California35.3¢$57
Colorado16.5¢$27
Connecticut32.2¢$52
Delaware18.8¢$30
District of Columbia25.4¢$41
Florida15.4¢$25
Georgia15.4¢$25
Hawaiipriciest46.6¢$76
Idaho12.7¢$21
Illinois20.5¢$33
Indiana17.9¢$29
Iowa13.9¢$22
Kansas15.8¢$26
Kentucky15.0¢$24
Louisiana14.4¢$23
Maine28.4¢$46
Maryland22.1¢$36
Massachusetts29.4¢$48
Michigan21.4¢$35
Minnesota16.4¢$27
Mississippi16.8¢$27
Missouri14.0¢$23
Montana13.9¢$23
Nebraska13.3¢$22
Nevada14.3¢$23
New Hampshire27.2¢$44
New Jersey23.5¢$38
New Mexico15.2¢$25
New York29.4¢$48
North Carolina16.3¢$26
North Dakotacheapest12.3¢$20
Ohio19.5¢$32
Oklahoma13.3¢$22
Oregon15.8¢$26
Pennsylvania21.5¢$35
Rhode Island28.3¢$46
South Carolina17.1¢$28
South Dakota14.5¢$24
Tennessee14.9¢$24
Texas17.0¢$28
Utah13.3¢$22
Vermont24.6¢$40
Virginia17.4¢$28
Washington14.4¢$23
West Virginia16.1¢$26
Wisconsin19.2¢$31
Wyoming14.7¢$24

Certified models closest in efficiency

compact refrigerators within reach of 162 kWh/yr
ModelkWh/yr$/yr (US avg)
DOMETIC C40G2most efficient162$31
Sub-Zero DEU2450R/ADAmost efficient159$30
Frigidaire EFR107-B-WHITEmost efficient158$30
Frigidaire EFR107-WHITEmost efficient158$30
Frigidaire EFR115-B-BLACKmost efficient158$30
Frigidaire EFR115-B-REDmost efficient158$30

Run your own numbers

Your rate, your numbers

Per day
8¢
Per month
$2.54
Per year
$31

162 kWh/yr × 18.8¢/kWh = $31/yr

Prefilled with this model's certified 162 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 DOMETIC C40G1 use?
ENERGY STAR certifies the DOMETIC C40G1 at 162 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 DOMETIC C40G1 cost to run per month?
About $2.54 a month at the U.S. average residential rate (18.8¢/kWh) — 8¢ a day, or $31 a year. Your state's rate moves this up or down; see the table above.
Is the DOMETIC C40G1 energy efficient?
It uses 34% less electricity than the median certified compact refrigerator, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the DOMETIC C40G1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $20 a year in North Dakota (12.3¢/kWh) and $76 in Hawaii (46.6¢/kWh).
How many watts does the DOMETIC C40G1 draw on average?
Spread over a year of continuous operation, 162 kWh works out to an average draw of about 18 watts — like leaving a 18-watt bulb on 24/7.

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