How Does Solar Work Anyway?
Sunlight passes through solar cells (panel) which agitate electrons within the cell that are then routed into a current or flow of electrons. This flow of electrons is electricity.
The electricity produced by solar panels is direct current (DC), but the utility grid uses alternating current (AC). The inverter changes DC into AC making it compatible with your home.
If you produce more than you use, the extra electricity will pass back through your utility meter, literally running your meter backwards.
In a grid-tied application, you are always connected to the grid for when you use more electricity than your system can produce. If the power goes out, your system will stop producing in accordance with the National Electric Code. This protects workers working on the lines trying to restore power.
Once the inverter does its job, the electricity from your array passes through your electrical panel and is consumed by your home or business.
In most cases, batteries are not necessary. In the rare case that they are, Morton Solar is happy to educate on how battery back-ups work, and their benefits.