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How to size a solar panel system, solar power calculation formula, how many solar panels do i need : solar energy value calculator

How to size a solar panel system, solar power calculation formula, how many solar panels do i need

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How to size a solar panel system, solar power calculation formula, how many solar panels do i need

In this video I show how to calculate your yearly, monthly and daily energy usage, kWh (kilowatt hour) calculations and the use of peak sun-hours to determine the size of the solar panel array that you need to power your home, motorhome, portable backup power supply unit or air conditioner.

I go over the goals and important factors that help to accurately calculate the size of your solar panel system including geographic location, climate, solar orientation, and objects that shade the panels.

Peak Sun-Hours lists by state pdf’s and maps: http://rredc.nrel.gov/solar/pubs/redbook/
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How to size a solar panel system, solar power calculation formula, how many solar panels do i need

solar energy value calculator

7 comments

  1. Thank you so much for this video. Can you do another video for calculation on how many battery do i need for the solar system if installation is off-grid and also verify how many solar panels and battery are to be connnected in series and how many would be connected in parallel.

  2. i had a question please, i am working on a project about sizing PV system grid-tied , in my project i have to design the system the way that the inverter should shutdown the PV modules when there is a excess of electricity , because in our country it s not allowed to sell the surplus to the grid. at the same time, in bad conditions of the PV system, we need to take electricity from the grid. help plz !!

  3. Energy efficiency makes for a more comfortable home,  Adding insulation, sealing air leaks and buying efficient appliances makes a home much more enjoyable and saves money on utility costs. All new projects should be built with energy efficiency in mind and come with solar panels and battery storage.  Climate Change is real. Building designs need to reflect that fact

  4. Thank you so much, only I notice when you divide KWH/ sun hour, the result should be KW not KWH

  5. Looking to use a solar panel to run a small fish tank heater to keep the water for my chickens from freezing this winter. How big should I go, and with how many batteries?

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Do it Yourself Home Energy Guides