Don't look at solar panels as a do it yourself project. You are putting serious funds into these panels, and any mistake can be very costly. Find the right help. Do your research online to come up with the best installers out there near you and interview a few before making any decisions.
Before you pull the trigger and buy a system, take a look at how long the manufacturer guarantees the product for. You want a fairly long warranty because the system will have to pay for itself over time and help you begin to generate a profit. Therefore, make sure the warranty is for at least 25 years.
See how to test your solar panel for open voltage and current reading. Results will vary depending on sun strength, time of day, angle of light and temperature.
Get online to find your local Internet solar panel community. You can find out good information about peaks and lows in solar energy use in your area. If you get particularly adept at getting on a roof to clean your solar panels, you might can even market yourself and make a few bucks off other solar panel owners afraid of heights.