help? solar power question? April 8, 2010admin 7 Comments I want to use only solar power in my house if I use about 2000 kilowatt hours of electricity. How many solar panels will I need and how powerful will they need to be? oh I do want to be away from the grid Other Solar Power Sites Online Job News | Benefits Of Using Solar Panel At Home How do convert dollars per kilowatt-hours to dollars per joule? [Ads by Yahoo!] Solar Power — Affordable Green Energy