What Size Solar System Do I Need To Run A Fridge

Hence it will not need to turn on as often.

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

Evening running fridge and lights. Solar kit to run tv laptop fridge mobile or lights hi and good luck. In the day with just your fridge running. A good rule of thumb is 4 hours.

5pm 9pm 4 hours. You multiply the combined wattage of the solar panels by the number of hours sunlight they will receive per day. You would need about 4x 80 watt panels and about 860 ah 12 v battery bank. When the air compressor on a refrigerator starts up it needs a surge of power that can use three times the normal running current.

First we should assume a modern normal sized fridge running constantly. 7am 5pm 10 hours. 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. Evening fridge and lights.

This surge happens only for a split second. 15 mins on 15 mins off 30 mins hour 2 7 2 1 35 amps. Now if you are going to set up your solar system yourself you will also need a charge. Total consumption over 10 hours 13 5 amp hours.

After startup the fridge uses power according to the nameplate voltage and current. 300 times 4 is 1200 watts. Daytime running fridge only. Estimate that fridge cycles.

1200 watts divided by 1 000 equals 1 2 kwh produced per day.