To determine how much power your air conditioner needs to run on your backup battery storage, you must first determine how many watts it consumes. Let’s examine the wattage requirements of typical air conditioners, why those watts matter, and how you can reduce your electricity costs. 

How many solar panels are required to power an AC system? 

How many solar panels are necessary to power an air conditioner cannot be answered. Usually, it depends on the wattage of the appliance you’re using, how frequently your air conditioner runs, and how much power your solar panels are generating when you’re using your air conditioner. 

If you want a reliable response, you can assume that you require at least three 350 W solar panels for the typical AC wattage of 1,000 watts based on the average wattage of all AC units. Three 350 W panels can produce 1,050 W to power your AC unit, which is about 350 W per hour. Regardless of how you get your power, air conditioners typically use a lot of electricity. 

Your solar installer will account for your energy consumption when designing a solar system if your home has air conditioning before getting solar installed. Knowing how many watts your system consumes is crucial if you plan to install AC after your solar panels or if you want to calculate how much electricity you need to store in a storage battery to run AC during a power outage. 

For instance, if your electricity goes out, a backup battery will only be able to power some of your home’s appliances. Consider this when choosing if your AC is an essential load—something that must continue operating in the event of a power outage.

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