Use this estimator to get a pretty good idea of how many Solar Panels you will need to generate electricity and how many Storage Batteries you will need to store that electricity. The estimator lets you make simple choices and then calculates the WattHour usage based on typical configurations. After you see how the estimator works, you can figure your own system size much more accurately by determining the wattage needed for each of your appliances and then manually calculating the required WattHours.