With this manual, a world-class solar energy training and education provider -- Solar Energy International -- has made available the critical information to successfully design, install and maintain PV systems. The book contains an overview of photovoltaic electricity and a detailed description of PV system components, including PV modules, batteries, controllers and inverters. It also includes chapters on sizing photovoltaic systems, analysing sites and installing PV systems, as well as detailed appendices on PV system maintenance, troubleshooting and solar insulation data for over 300 sites around the world.