In this new edition of Renewable Energy Systems‎,‎ globally recognized renewable energy researcher and professor‎,‎ Henrik Lund‎,‎ sets forth a straightforward‎,‎ comprehensive methodology for comparing different energy systems‎'‎ abilities to integrate fluctuating and intermittent renewable energy sources‎.‎ The book does this by presenting an energy system analysis methodology‎.‎ The book provides the results of more than fifteen comprehensive energy system analysis studies‎,‎ examines the large‎-scale integration of renewable energy into the present system‎,‎ and presents concrete design examples derived from a dozen renewable energy systems around the globe‎.‎ Renewable Energy Systems‎,‎ Second Edition also undertakes the socio‎-political realities governing the implementation of renewable energy systems by introducing a theoretical framework approach aimed at understanding how major technological changes‎,‎ such as renewable energy‎,‎ can be implemented at both the national and international levels‎.‎