What Size Solar System Do I Need To Run A Fridge

First we should assume a modern normal sized fridge running constantly.

What size solar system do i need to run a fridge.

You multiply the combined wattage of the solar panels by the number of hours sunlight they will receive per day. Solar kit to run tv laptop fridge mobile or lights hi and good luck. Total consumption over 10 hours 13 5 amp hours. When the air compressor on a refrigerator starts up it needs a surge of power that can use three times the normal running current.

Hence it will not need to turn on as often. This surge happens only for a split second. Daytime running fridge only. According to energystar gov recent models sized in the 21 to 24 cubic foot range use about 560 kwh per year i want to use a monthly number so divided by 12 that s roughly 46 kwh per month from an upright modern refrigerator.

It would help if you were a little more specific about the power consumption of your appliances but i will suggest the following. 15 mins on 15 mins off 30 mins hour 2 7 2 1 35 amps. 7am 5pm 10 hours. A good rule of thumb is 4 hours.

Evening running fridge and lights. After startup the fridge uses power according to the nameplate voltage and current. If you run your a c for 4 hours per day that means you would need 14 solar panels to cover 120 hours per month of use. You would need about 4x 80 watt panels and about 860 ah 12 v battery bank.

300 times 4 is 1200 watts. Estimate that fridge cycles. 5pm 9pm 4 hours. Evening fridge and lights.

In the day with just your fridge running.