One of the greatest sources of alternative energy is solar power. It's been around for quite a few years now, and is used in a variety of applications.
Solar power is now becoming more popular in the home industry, as more homeowners are beginning to make the switch to solar power. Not only does it help keep the environment clean and resourceful, but it helps cut down on the monthly power bill drastically.
Most solar power systems are fairly expensive if built and installed by a professional. If you want to utilize the benefits of solar power without spending an arm and a leg, you can actually build your own solar panels that have the capability to power your home! Or, you can build a few small ones and use them to power small appliances, which will still help cut your power bill.
How can you build a solar panel? You can find most of the materials at your local hardware store. In fact, it's extremely cheap to make one of your own. I would also suggest that you find an excellent set of instructions or a guide that will show you how to build a solar panel the right way, so you can get the maximum benefits from it.
DIY Solar Panels and Windmills Building Guides
Earth 4 Energy
Make your own solar panels or wind turbine.
More info here
Home Made Power Plant
There are some other guides for DIY wind and solar generators, but all of those that I've read don't get into the same details.
More info here