Be realistic about the costs of having a solar energy system. If you're paying much less than other systems that are around the same size as yours, you may have poor equipment or installation work. Like with many things in life you get what you pay for. Quality installation work and equipment isn't going to be cheap. You may have substantial savings by going with a large company, but other companies may be cutting corners to keep costs down.
Solar Energy: An Environmentally Friendly Energy Source - If something could power your home for less money while polluting the environment less, wouldn't you consider it? Well, solar energy does just that and more. Please read the following article and think about the benefits of solar energy. In the short and long term, it's really a smart choice!
Installing a 1.4kw, Off Grid, Back-Up Solar System. Don’t destroy the integrity of your metal roof by drilling holes in it to install your solar panels!
Keep your solar panels out of the shade. It might seem obvious, but your solar panels do need sun. Make sure that you are not installing them in the shade. Trim back the branches on surrounding trees if you need to. Failing to do so could cost you more than half your energy output.