How Much Power Per Solar Panel

A typical american home will need 14 36 solar panels to cover their power bill and at least 227 square feet of rooftop space to accommodate the solar panels.

How much power per solar panel.

You might think it s a simple math question. How many solar panels needed for a typical house. If a solar panel is rated to produce say 360 watts and it s about 3 and feet wide by 5 and feet long then each square foot must produce about 20 watts right. From the example of a standard residential polycrystalline solar panel we used above we know that if one 275 watt solar panel is 18 85 square feet then 1 kw 1000 watt of panels will require 3 63 of such solar panels and so will take up 68 42 square feet.

Sizing a solar panel system to your home s electric usage can be done by taking look at your energy bills over a year. How many solar panels are needed to power an average house. For the sake of example if you are getting 5 hours of direct sunlight per day in a sunny state like california you can calculate your solar panel output this way. Follow along to calculate the amount of solar panels your specific home will need.

For any given energy production target you need fewer panels if their individual wattage is higher. When roof size is limited efficient panels with a high wattage can make the system more compact. The average sized solar panel takes up an area of 17 6 square feet and produces 265 watts under direct sunlight. Simply put once you know how much power each panel puts out simply divide it by the square feet of the panel.

5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh.