An overview of renewable energy, this textbook covers source, resource assessment, and application. It includes solar thermal, photovoltaics, concentrating collectors, wind energy, geothermal energy, biomass energy, mini hydro, and ocean waves, tides, and currents. The text covers large and small systems for generation of electricity, including village power. It also examines institutional issues such as policies, legislation, regulations and environmental issues and considers economic analyses of the different renewable energies. It includes end of chapter questions and a solutions manual is available upon qualifying course adoption.