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How much Solar Power is needed for a House?

Oct 4

There are usually a few reasons why someone decides to go solar. You might want to reduce your electricity bills, cut down on carbon footprints, or maximize your return on investment. Most homeowners want to reduce their carbon footprints and save money on electricity. When a homeowner decides to go solar, one of their first questions is "How many solar panel do I need to power my home?"

A typical home will need between 20 to 24 solar panels in order to provide 100 percent electricity. To determine how many solar panels are needed, multiply the system size by the production ratio and divide by panel wattage.

The number of panels you need depends on many factors, including panel efficiency, panel-rated energy, and your individual energy consumption. The price of solar depends on how many solar panels you have to cover your home. Although the answer may not always be clear, we have provided some examples to show you how many solar panels are needed to create an efficient solar array.

Based on Your Electricity Bill Units

To determine how many solar plates you will need to reach your goal, the first thing to do is look at your electricity bills. Because electricity bills fluctuate throughout the year with different peak and valley times, we recommend keeping a record of all 12 months. 

A glance at your bill will give you an idea of how many panels are required. The kWh consumed per day will determine the number of solar panels needed. This is where you will find the unit price.

Based on the Appliances

The equipment you use in your home will also determine the size of the system and panels that you will require. Although you can use all the appliances at once, the system calculations are based on the possibility of using them all simultaneously. The system size will increase if you have more appliances. Below is a table that shows the system's size and how many panels are needed to accommodate a given number of appliances.

Based on the Square Foot Size Area

The number of panels that can fit on a roof or ground area will also depend on the size of the roof. Advosy Energy recommends high-efficiency panels installation because they produce more electricity with less space. It will waste your efforts if the panels have low or moderate efficiency and the roof is not able to accommodate enough panels. Below is a table that shows how the system can be installed in a given area.

Panels based on the System

Based on the system you have installed, the panels you'll need depend on the following factors:

Efficiency

Higher efficiency plates can produce more current per day than low efficiency plates.

 

Production Capacity

The watts/plate capacity is a measure of how much electricity you get per plate. It also determines the number plates needed per system.

How many solar panels are needed for common appliances?

Reviewing the kWh requirements of everyday household appliances and products shows that certain add-ons can dramatically alter your monthly energy use. This can have an enormous impact on the size and cost of your solar panel system. It is possible to reduce carbon emissions by pairing your electric vehicle and solar panels. But, this should be done carefully as it can potentially double your PV system's size.

It is possible to put in a solar system, then have the solar installer add more panels to meet increased energy requirements. However, it is best to plan your system according to your anticipated purchases, such as an electric car, swimming pool, central air system, and central heating system. It is a good habit to start as a solar homeowner.