Decide whether you want to be on or off the power grid. Many people look forward to getting "off the grid" when they switch to solar power, however this may not be the best choice. Staying on your power grid means that when you have poor sunlight conditions you have the ability to purchase additional power when you need it. As a bonus, when you produce more power than you use, you can sell the excess back to the utilities.
Solar water heaters have been around for hundreds of years. For over 50 years people have been using them to heat everything inside and outside the home. Over the years, these solar water heating systems have become much more efficient. If you are located in sunny areas of the country, you should look into buying a solar water system.
This is my 400W solar array, purchased off of Ebay. These are 100W panels, linked together in parallel. They are wired to a 400W inverter in my garage that is …
Experiment with various angles and placements, monitoring the power stored on a daily basis and making changes as necessary. Any angle might be acceptable, but there are times when a small tweak in the position can have a noticeable impact. Try different options and stick with the spot that works best.