Demand for renewable-energy technologies is growing rapidly, requiring a greater number of skilled system technicians. Photovoltaic Systems can help prepare the next generation of solar energy system integrators and installers. This textbook is a comprehensive guide to the design and installation of several types of residential and commercial photovoltaic (PV) systems. It covers the principles of PV electricity and how to effectively incorporation it into electrical systems. Numerous illustrations demonstrate the operation of PV arrays and other components. Photographs of actual installations show how components are integrated to form complete systems. Photovoltaic Systems is the essential guide to all aspects of PV systems.