As a comprehensive reference for architects and engineers, this Green Source book provides practical design and installation guidelines for some of the most commercially viable alternative energy technologies. Construction materials, system deployment, typical installations, and environmental impact are covered. This volume also includes information on LEED design, energy conservation, and solar power financing and return on investment. Power purchase agreements (PPAs) and national and international carbon cap and trade are also discussed. Valuable appendices contain detailed data tables and certified equipment listings.