Keshe has a stand alone power generator if your game enough and have a spare 1,800 euros. Mind you that 1,800 euros is cheaper this week than last. Supposedly it allows you to go completely off grid.
store.keshefoundation.org (http://store.keshefoundation.org)
https://www.youtube.com/watch?v=HBUR4RbhSdw&feature=youtu.be&t=1h38m39s (https://www.youtube.com/watch?v=HBUR4RbhSdw&feature=youtu.be&t=1h38m39s)