Book excerpt: It is estimated that more than two billion people worldwide lack access to modern energy resources. Renewable energy has the potential to bring power to these many communities and individuals who function off the grid. This book describes the latest advances in distributed and off-grid renewable energy technologies and offers strategies and guidelines for planning and implementation of sustainable, decentralized energy supply. Coverage includes wind, solar, geothermal, and biomass systems planning and integration, economic assessment models and the role of legislative structures. -- Back Cover.