ISES Solar World Congress is the most important conference in the solar energy field around the world. The subject of ISES SWC 2007 is Solar Energy and Human Settlement; it is the first time that it is held in China. This book consists of 619 papers and 23 invited papers, whose authors are top scientists and experts in the world. ISES SWC 2007 covers all aspects of renewable energy, including PV, collector, solar thermal electricity, wind, biomass energy and so on. Therefore, many papers cover more than one research area and bring forward new cross-disciplinary technology, including BIPV, solar hydrogen production and polytechnic system, which bring forth the state of art of solar energy technology.