Estimate Your Solar Panel Needs: Calculate the Right Number for Your Home Wondering how many panels do I need for solar? Estimating your solar panel needs begins with evaluating your electricity usage and determining the solar panel wattage. For example, if you have high energy demands, you may require more panels. You can calculate the number of panels by dividing your monthly usage... https://solarsme.com/how-many-solar-panels-do-i-need/