Solar Roof Kwh Per Day

Or 30 kwh 5 hours of sun 6 kw of ac output needed to cover 100 of your energy usage.

Solar roof kwh per day. 4 how does that compare to your annual energy usage. That s about 500 550 kilowatt hours of energy per year from each panel on your roof. 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. Multiply 5 hours of sunlight x 290 watts from a solar panel 1 450 watts or roughly 1 5 kilowatt hours per day.

If you have four panels you will get 4 kwh per day. So the kwh divided by the hours of sun equals the kw needed. If you have 33 panels assuming a 30 day month you will get 1 000 kwh per month. The us ranges from about 4 hours 6 hours of sunlight per day on average see the below map.

So if you have solar panels that each produce 1 kwh of power per day you would need a full 37 solar panels to fully power your home. Assuming a 30 day month an electricity generation of 1 000 kwh is equivalent to 33 33 kwh per day if the site gets 6 peak sun hours per day you need 5 56 kilowatts since no energy conversion system is perfect you cannot assume the solar array will deliver its theoretical production. If you have one 250 watt panel receiving four hours of sun then you will get 1 000 watts or one kwh per day from that panel. On average a normal household will use around 37 kwh per day.

Let s say on a good day you average 5 hours of direct sunlight. Let s estimate you get about five hours per day to generate that 30 kwh you use.