Power Per Square Foot On Electric Solar Panel

How many solar panels are needed to power an average house.

Power per square foot on electric solar panel.

But at 20 watts per square foot a system rated to produce 2 kilowatts would cover roughly 150 square feet while a 3kw system would take up about 225 square feet. That translates to just over 15 watts per square foot. Thus the output for each solar panel in your array would. Sizing a solar panel system to your home s electric usage can be done by taking look at your energy bills over a year.

System size kw square footage needed for low efficiency 16 square footage needed for medium efficiency 18 square footage needed for high efficiency 22 5 kw. 5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh. 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. This is typical for residential solar panels being sold in the us in 2020.

The average sized solar panel takes up an area of 17 6 square feet and produces 265 watts under direct sunlight. The us census bureau determined that single family homes have an average area of 2467 square feet when dividing these values you obtain 0 35 kwh per square foot assuming 0 35 kwh for a 2 000 sq. In order to find a range for number of solar panels we compared arizona and maine s solar panel production ratios 1 31 and 1 61 the highest and lowest in the u s. Home the estimated electricity consumption is 700 kwh.

Solar panel cost per square foot 5. Drill down to see who s offering the best solar panel prices in your state or city. For a 300 watt solar panel with dimensions 64 inches x 39 inches 1 61 meters squared or 17 31 square feet the peak instantaneous electricity production per square foot at stc is 14 58 watts per square foot. In the three scenarios listed above all of the homes were of different sizes yet used the same amount of electricity.

System size 5 kilowatt. Number of solar panels per square foot of roof space. System cost 15 000. Solar panel cost per watt is now only 2 50 in some states making a 6kw system only 10 500 after claiming the solar tax credit.

As you can see there is no exact solar panel cost per square foot.