Since my garage is my shop I've always had space challenges. When I have to deal with a full-size panel, things even get more difficult. Clearing out the space to cut down a panel is not only back breaking it's also very time consuming.
Build Your Own Vertical-Axis Wind Turbine On The Cheap - Didn't realize vertical wind turbines existed. The scale of this one and the fact that it supposedly doesn't require gale force winds to produce power makes it definitely worth looking into.