Solar power is produced by solar panels from sunlight. Solar power can reduce your utility bill partly or you may rely on solar power completely. There are numerous calculations to analyze the return of solar investment. The maintenance cost of the solar system is minimum due to no moving part.
The solar panel produces DC power, it converted to AC power by the mean of an inverter. The solar power can be stored in a battery array for backup or when there is no sunlight at night or clouds. The charge controller for battery protection is used for over and under changing protection.
Here are the solar power installation and mounting guides for solar system installers.