This book is for anyone thinking about or already living off-grid that wants to learn how to install a solar electric power system and how to maintain the system for optimal performance. Included are step-by-step installation instructions, description of equipment and sources, guides for determining the size of a system needed and detailed illustrations of each component of a system. Also included are simple ways to optimize your solar electric system for best operation, detailed maintenance and repairs for each component and recommended system equipment with links. Plus- how to incorporate wind power into your off-grid system!