Find the monthly operating cost by multiplying your daily cost by 30. At the California average electricity price, a 300-watt unit costs $11.70 per month, or $140.40 per year. Refrigerators with a lower wattage rating will require much less energy, and thus cost much less to operate.
much they cost to operate each month.. For example: If your refrigerator rated at. Average. Cost per. Typical. kWh per. Month @. Wattage. Month .125/kWh.
Find out how much your old refrigerator or freezer costs to operate and how much you can save by flipping it to ENERGY STAR.. hour or use the national average.. This Flip Your Fridge calculator is designed to provide an estimate of the .
fridge uses 1400 kWh a year, while a modern energy-efficient model uses only 350 kWh â€” a whopping 75% reduction. At 15Â¢ kWh, trading in a pre-1986 fridge for a new efficient one would save about $158 a year in electricity costs. And some older fridges are even worse than the average.