How Many Solar Panels To Power A House
updated at : Monday, January 23rd, 2017
How many solar panels you will need to power a house depends on many different factors.
How Many Solar Panels To Power A House?
What percent of your energy needs would you like to offset with solar energy? Is your system going to be grid connected or not? Are you going to have backup batteries? Do you have a big enough roof for a rooftop installation? How big is that roof? Is the roof strong enough to hold a system that is big enough? What is the condition of your roof? Is it strong enough to sustain the load of the solar panels? During the sunlight hours does the rooftop experience any form of shading? After considering all that, you need to make a calculation of your total energy needs by adding up the total kWh in the last 12 months. If you use 10 kWh of electricity currently and would like to offset 60 percent of that, you will need roughly a 6 kW system.
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