Solar panels are installed initially at the optimal location and angle that maximizes exposure to the sun, but things can happen over time that adversely affects the exposure. Check to make sure that there are no trees growing and obstructing your panels from receiving sunlight. If you are considering a specific type of panel, learn when the technology it uses was designed. The newest technologies are more effective but a few solar companies still sell the older technology. Older versions come at lower price points, but newer ones deliver better long-term results. Verify all local and state regulations prior to installing a solar power system. The chances are good that there are different building codes that you must adhere to while installing your system. The very last thing that you want to have happen is for your new solar panels to be removed for not following the laws.