How Much Electricity Does A Solar Panel Produce Per Year

11484 kwh per year as a reference point a kilowatt hour is equal to 1 000 watts of power being used for one hour.
How much electricity does a solar panel produce per year. Thus the output for each solar panel in your array would produce around 500 550 kwh of energy per year. Simply put once you know how much power each panel puts out simply divide it by the square feet of the panel. December produces only 122 kwh which is just 17 as much as july. However in michigan which receives only 1400 kwh m 2 year 1 annual energy yield will drop to 280 kwh for the same panel.
For oregon and washington it is slightly lower. In a high yield solar area like central colorado which receives annual insolation of 2000 kwh m 2 year such a panel can be expected to produce 400 kwh of energy per year. To put that into perspective a typical household uses about 897 kwh per month. 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.
86 769 2277 4668 call us for enquiry. All solar panels are rated by the amount of dc direct current power they produce under standard test conditions. As you can see the summer is when my system generates the most electricity with an average total generation of 717 kilowatt hours in the month of july. Smart design decisions can also improve the productivity of a solar power system.
A common size solar panel array is usually around 5kw and takes up around 400 square feet of space. Dongguan city of guangdong province china p. Solar hot water project. March is a lot better at 430 kwh but still only 60 of july s average.
For instance if you have a panel that puts out 265 watts and is 65 4 by 39 inches in size the energy produced per square foot would be around 15 watts. To figure out how many kilowatt hours kwh your solar panel system puts out per year you need to multiply the size of your system in kw dc times the 8 derate factor times the number of hours of sun. 10 812 kwh per year washington. The average household in the united states uses around 10 400 kwh each year.
So if you have a 7 5 kw dc system working an average of 5 hours per day 365 days a year it ll result in 10 950 kwh in a year. You can use the table of solar power production per kw for each state above to do the same math for your state. An array of this size can produce an average of 350 850 kwh of ac energy per month.