Average Solar Panel Output Per Square Foot Over A Year

Sizing a solar panel system to your home s electric usage can be done by taking look at your energy bills over a year.

Average solar panel output per square foot over a year.

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. Sunpower solar panels are the most efficient you can buy. Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8. An array of this size can produce an average of 350 850 kwh of ac energy per month.

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. The average cost to install solar panels is from 10 626 to 26 460 after tax credit for a 6kw to 12kw system to power an entire house. Ever wondered how much power solar panels put out and how many solar panels an average household needs this post is exactly what you need to read. How much energy does a solar panel produce.

Said differently the average american household consumes just under 11 000 kwh per year. The average solar panel payback period is 7 to 12 years and solar energy saves 600 to 2 000 per year on electricity costs. A common size solar panel array is usually around 5kw and takes up around 400 square feet of space. To understand how much solar power is produced per square foot it s helpful to know what solar panels are made of.

The amount of energy your home uses over a certain timeframe say a month is measured in kilowatt hours kwh. You can use the table of solar power production per kw for each state above to do the same math for your state. To put that into perspective a typical household uses about 897 kwh per month. 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.

The average sized solar panel takes up an area of 17 6 square feet and produces 265 watts under direct sunlight. Wondering how many kwh does a solar panel produce and how many solar panels an average household needs this post is exactly what you need to read. Given 1kw of panels produces 1642 kwh per year in ca and 1kw of panels takes up 68 42 square feet solar panels installed in california on average produce 23 99 kwh kilowatt hours per square foot per year. That translates to just over 15 watts per square foot.

Thus the output for each solar panel in your array would. 5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh.