Visual graphic showing the steps to home solar panel installation and the considerations when installing solar panels for your home. . The Renewable Energy Ready Home (RERH) specifications were developed by the U. Environmental Protection Agency (EPA) to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home's. . A proper installation diagram serves as your blueprint, detailing exact panel positions, wiring routes, and mounting specifications that accommodate your roof's unique characteristics. Your solar panel layout must consider three critical factors: roof orientation to maximize sun exposure. . Some of the questions that need to be answered before you can install a solar panel are: Where can I purchase solar panels? You can purchase solar panels from different solar energy companies and even online stores. Space requirements and layout for photovoltaic and solar water heating system components should be taken into account early in the design. . provide clean, renewable energy. Design With the designing of a home solar system, homeowners are encouraged to get involved.