In recent years, many Americans have considered whether solar panels are the right choice for their home.
People want to live greener lifestyles but have to find ways that are practical for them.
Since 2010, solar panels have increased in affordability and efficiency.
Their average cost now approximates $20,000.
However, there are outlying variables that could affect this price.
One such variable is how many solar panels youll need to power a house.
Typically, a home solar system contains 20-25 panels.
This number may not be enough, though, depending on the size of your home and its location.
How Much Electricity Do You Use?
There are a few numbers you better calculate how many solar panels you need.
First, youll need to determine how much electricity you use each day, month, and year.
This usage may vary depending on how many people live in your house and how many appliances you run.
To find these numbers, check your previous years energy bills.
Youll find this number measured in kilowatt-hours (kWh).
After youve found this number, youll know the necessary amount of solar power for your home.
On average, most American homes require 10,649 kWh each year.
How Many Solar Panels Do You Need?
Using a Solar Panel Calculator
Each solar panel in a system produces a set amount of energy.
Companies measure this power in watts.
Typically, the average solar panel generates between 250 and 400 watts.
However, certain conditions could affect its performance, such as the amount of sunlight you receive each day.
If several trees shade your roof, this could also impact solar panel performance.
Bear in mind that solar panels come in different sizes.
If a standard set of solar panels doesnt generate enough power, consider purchasing larger panels.
If you need help with a comparison, search for a solar panel size chart online.
Solar panels are most popular in states that receive lots of sunlight, such as California or Arizona.
The cloud cover weakens your solar panels performance.
Eventually, youll find these systems pay for themselves.
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