subject: How To Build A Solar Panel From Used Parts [print this page] You may need a guide on how to connect the used solar panels but they are easy to find and simple to follow. Once you have this done the testing can commence. Will there be sufficient hot water at all times of the day if you go solar? The amazing thing will be that solar energy works very well and provides a lot of electricity to power your pool, home, and everything else all summer long. But what happens when it rains or is cloudy for 3 months like in the northeast regions? Just to let you know solar can be stored but not for long, so your home may become a hybrid until technology catches up.