Due to increasing energy costs and environmental concerns, energy consumers and producers, as well as governments, are looking to reduce the dependence on fossil fuels by incorporating clean, abundant, alternative energy such as solar, wind, hydro, tidal, and biogas into the electricity market. Demand for renewable energy technologies such as photovoltaics (PV), is growing exponentially, requiring a greater number of skilled system installers.Developed in cooperation with a North American electrician training organization, Photovoltaic Systems is the essential guide to all aspects of PV system installation. It is a comprehensive guide to the basic design and detailed installation of several types of residential and commercial PV systems. The text covers the principles of PV electricity and how to effectively incorporate it into electrical systems. Numerous illustrations explain the concepts behind how PV arrays and other components operate. Colour photographs of actual installations show how components are integrated together to form complete systems.