You should start by considering the availability of sunlight. Therefore, you are required to assess your home so that you can determine the light requirement in every space and the time it takes in a given area. Also, you should also consider window position about sunlight. By doing this, you will be in a position to make an informed decision on the type of panel that you would want to buy. For instance, with low sunlight and poor climatic condition you will have to look for a high quality solar that is sensitive to even low sunlight rays.
Besides, you should also evaluate your energy requirements. Before buying a solar panel for your home, it is necessary that you know the amount of energy that you and your family members can spend within a given period. One way of knowing this is by checking your monthly electricity bills and you then you find the average energy consumption per month. One good thing about this is that it will help you in buying a solar panel that can supply the same amount of energy that you need per month. With this, you will not have to waste money on the solar panel that will not serve you adequately.
Besides, you should consider the system size. As we discussed above that you need to assess your home to know the sunlight intensity and energy consumptions as this will guide you in choosing a solar panel with specifications that match your needs. One good thing with this is that it will help in lowering down your initial capital needs.
Besides, you should also know whether you will need off-grid or on-grid solar panel system. It is essential to note that off-grid solar panels are the ones with battery backups and most of the time they are used when you need the minimal amount of energy. While the on-grid system is the ones that are connected to the primary power supply system in your home. Not only that but they also produce a lot of power which gives them the ability to balance between production and the home power requirements.
Besides, it is also essential to know the number of solar panels that you need. This will significantly depend with the home energy consumption and the number of watts that the solar panel is capable of producing. In this case, you will have to inquire with your dealer on the number of panels that will be enough for your home. One thing that you should make sure of is that it matches your home energy requirements.