Not everyone needs to go all the way from the grid. Completely free from the power company has a high cost. Maybe you want to save money on your electric bill and have the power company that you pay for a change. If this happens, you can create a certain kind of system that is between being completely out of power lines and totally dependent.
These systems are called systems Intertie tie or grid. The special about them is their method of backup storage. A solar power system uses the Intertie system of the utility company as a store. With this type of system you need not to buy and maintain a collection of deep cycle batteries. What happens is that when the sun is shining solar panels to provide your internal needs. You use what you produce, and any additional power generated is delivered into the grid. Continue reading