Low prices can be very attractive but keep in mind that solar panels and their installation is not cheap. If a vendor has extremely low prices, you are probably getting low quality equipment or even second hand equipment. It is best to invest in quality solar panels and hire a trustworthy contractor to install them.
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.
I decided to get Solar Panels in July of 2011, and now with almost 7 years of data, I thought I’d share my finding, and what you can expect if you decide to go with …
Check that your solar-energy installer has the proper licenses and insurance. Installing solar panels on a steep roof is a delicate job, and you should feel confident that your installers know what they are doing. At a minimum, look for a contracting license, workers compensation insurance, and general liability insurance.
Do your best to reduce your energy consumption before investing in solar energy. Your solar energy system will be more affordable if you can live with a reasonable quantity of energy. Start by improving your insulation, make an effort to turn off appliances and replace old appliances with energy-efficient ones.