It is a photovoltaic system that takes the electrical energy that the system can generate at the moment while it is producing. There is no backup in the battery for later use. It is also a system that can be connected together with electricity from the utility to enable continuous use of electricity even on days when the system can not produce enough electricity. This system is often used in the home, a small building or office. And the most home office Since it is the place where electricity is used the most during the day by turning on the air conditioners, computers to other office equipment that consume a lot of electricity. This will help save electricity well because during the day if the system can produce enough electricity. You will rarely have to pay for electricity. But if the energy from this system is not enough, It automatically draws electricity from the electricity utility, which will be charged as a normal use.

This system is a combination between on-grid and off-grid systems because this system can store electrical energy inside the backup battery and can draw electricity from the electricity utility if the system can not generate enough electricity from the sun. This means that even without any battery power left, electricity can still be used. Or if the system is able to generate a lot of electricity, it can be used as well as store energy into the battery. To be used at night or when it is an emergency. This system is suitable for people who want to install a solar cell system to be used to save on electricity costs in the long run because it can be used both at night and during the day. But this system will use more devices than the on-grid system. And an off-grid system, because it is the combination of these two mentioned.