On-grid or grid-tie solar systems are by far the most common and widely used by homes and businesses. These systems do not need batteries and use either solar inverters or micro-inverters and are connected to the public electricity grid. Any excess solar power that you generate is exported to the electricity grid and you usually get paid a feed-in-tariff (FiT) or credits for the energy you export.
Components of a Grid-Connected Solar System:
1. PV Cells with PV Racking System.
2. AC and DC Combiner Boxes.
3. AC and DC cables.
4. Inverter.
5. Net-Metering.
6. Electricity grid.
7. Safety switches and cabling.
8. Lighting Arrester (Optional).
9. Grounding /Earthing (Optional).
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