Figure Solar Panel Size
Solar panels are used to generate energy by converting energy from the sun into usable electricity. Frequently asked questions from those who are occurring solar panels to install, how to calculate how many are needed and what size to make them. This can easily by determining how much done to energy you need and how much sunlight your solar panels will receive each day.
Calculate amount of energy your solar panel will need to create. Find daily watts usage estimate on your utility bill. Share monthly Watt to be determined by number of days in this month your daily energy consumption estimate.
Figure Solar Panel Size
For example, if your bill states that you used 4,000 watts in January, then divide 4,000 by 31 to get daily watt usage estimate of 129 watts. If your power bill does not list amount of watts you use per month, call your power company for this information or use online solar calculator that will help you calculate how many watts of power you use per day. Determine amount of sunlight hours your panel will receive every day. Examine location that your solar panel will be placed and determine amount of peak sunlight hours that will be shining on panel.
This should be yearly estimate as well. Do not include morning and evening hours as these are times that your solar power is receiving very low amount of sunlight energy. Determine daily average by taking amount of sunlight hours your panel will get for each season, adding them together and dividing them by 4.
For example, if you determine that your panel gets 5 hours of sunlight in summer, 4 hours in spring, 3 hours in fall, and 2 hours in winter, add these hours together to get total of 14 hours. Divide this by 4 to get average of 3 1 or 2 hours of sunlight per day on average per year. There are also online solar calculators that will help you determine average daily sunlight hours for your area.
Divide number of watts you need daily by average number of sunlight hours you receive every day. For example, if you need to generate 129 watts per day of electricity and you receive average of 3 1 or 2 hours of sunlight per day, divide 129 by 3 1 or 2 to get 37. This is number of watts you will need your solar panel to produce on average every hour.
Solar panels are rated on number of watts they generate per hour. If you need 37 watts per hour, then solar panel rated as 50-watt solar panel will produce plenty of power for your power needs.
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