Solar power Grid Interactive System Alternative Energy Systems Co. Your power source connection. You can be your own power company if you want. Flooded batteries require venting and water must be added periodically.
Smaller systems can incorporate interactivity.
The system prioritizes the solar input, using it for all load requirements, but if for some reason the load demand exceeds the solar input, it draws just enough energy from the grid to meet the demand. An example of this would be if construction were taking place at your location and a lot of heavy saws and power devices were being used which would be considered short term exceptional use. Only the amount necessary to supplement the solar system is drawn from the grid. Otherwise, the system would never need any additional power. The generator isn't required, but can provide a little extra support for extreme periods where the grid is down and the solar input is diminished due to a severe, extended weather system for example.