Do-It-Yourself Photovoltaic Solar Power for Homeowners provides the valuable information homeowners need to successfully build an on/off grid Photovoltaic system for their homes. Included are detailed charts, wiring diagrams, parts lists, and energy analysis. The authors - Doug and Jennie Ostgaard were ahead of their time thirty years ago when they successfully designed and built their passive and active solar home. In 2013 they successfully designed and built their own working 8000 W photovoltaic system. Several years before this, they successfully completed a solar water system for their home. Doug is a licensed professional engineer (PE) with over forty years applied engineering experience with the Boeing Company and the Federal Aviation Association. Doug's technical expertise was honored in 2007 when he was selected as one of the few 'inventors of the year' by the Boeing Company. Jennie has a Bachelor's in Computer Science and worked in the technical field for over twenty-five years. It is their goal to help others take advantage of renewable solar energy. For updates, errata of book see website: http: //www.ostgaardresources.com/