Refrigerator Annual Cost Calculator

The yellow Energy Star label on every new refrigerator shows estimated annual kWh consumption.
Multiply that number by your electricity rate and you have the annual operating cost in one line.

annual_cost = kWh_per_year × price_per_kWh

A modern 22 cu ft Energy Star refrigerator uses about 450 kWh per year.
At 16 cents per kWh, that is $72 per year — about 20 cents per day.
A 1990s-era fridge of the same size used 1,100-1,400 kWh per year, around $200 per year at the same rate.

The difference between old and new is striking.
The 2014 federal efficiency standards cut refrigerator energy use by another 25% on top of the existing Energy Star numbers.
A 30-year-old fridge in the basement running as a beverage backup probably costs more per year than a new one would, before counting the upfront cost of the new unit.

Typical annual kWh by fridge type and era:

• Modern 18-22 cu ft top-freezer Energy Star: 380-450 kWh
• Modern 22-25 cu ft side-by-side Energy Star: 550-650 kWh
• Modern 27-30 cu ft French door with through-door ice/water: 650-800 kWh
• Pre-2001 standard fridge: 1,200-1,800 kWh
• 1980s avocado-green basement spare: 1,800-2,500 kWh

Side-by-side and French-door models use 30-50% more energy than a top-freezer of the same volume.
The math is straightforward: more door area, more gasket length, and through-door dispensers add an unsealed pathway for cold to escape.
If energy is a primary concern, a top-freezer model is always the answer; you give up the convenience features but you save $50-100 a year compared to the same-size French door.

The basement spare fridge is the most common waste in American homes.
A 25-year-old fridge running 24/7 for the occasional case of beer can cost $300-400 a year — more than the beer it cools.
The Department of Energy and many utilities offer $50-150 rebates to haul away an old working fridge for exactly this reason.

A few practical points.
Fridge ambient temperature matters: a unit in a hot garage works much harder than one in a 70°F kitchen, and the yellow-label number assumes 70°F ambient.
Coil cleaning every six months saves about 5-10% of energy use over time, mostly because the compressor cycles less when heat can escape efficiently.
And the often-recommended fridge temperature of 37°F is the highest you should set — colder is fine for food safety, but each degree colder costs about 2% more energy per year.