If you are buying a solar energy system, make sure your panels can be easily adjusted. As seasons change, so does the angle of the sun. Your panels will need to be adjusted every three months or so. Make sure that you know how to do this or talk to your contractor about seasonal maintenance.
Do not be discouraged at the cost of starting solar energy. You may find it pricy to get the products you need for setting up a solar energy system. But, you will find a much cheaper electric bill every month, paying off the initial start up cost and then some.
Get quotes from several contractors before signing any solar energy installation company. Just as with any other construction product, it pays to shop around before you commit to a particular company. Check out their reviews online and their standing with the Better Business Bureau. A little research ahead of time can save you a big headache later.