On-Grid Systems are solar pv systems that only generate power when the utility power grid is available. They must be connected to the grid to function.
While renewable energy systems are capable of powering houses and small businesses without any connection to the electricity grid, many people prefer the advantages that grid-connection offers.
Solar (or photovoltaic) cells convert the sun’s energy into electricity. Whether they’re powering your calculator or appliances, they rely on the photoelectric effect