Solar energy is the cheapest form of electricity that comes from solar panels and batteries.
The energy is produced by solar panels that can be placed on the roof of a home, or solar energy generators that can power a solar panel or a battery.
Source: The Irish Daily Times title How much solar energy do I need?
article You will need to use a solar energy converter or power pack.
You will also need a solar power inverter, or power grid inverter to connect the solar energy to the grid.
Solar energy converter A solar energy convertor converts solar energy into electricity.
You can use a power converter to convert solar energy directly into electricity, or you can use it to convert the solar power into electricity using solar energy batteries.
Power grid inverters A power grid converter can convert solar power to electricity using batteries.
You could use a battery to convert electricity to electricity from solar power. Source