Solar array in Thanjavur Sri Saravanas Agencies A solar array is the complete power-generating unit of a solar photovoltaic (PV) system. In simpler terms, it's a collection of multiple individual solar panels (also called solar modules) wired together to generate a larger amount of electricity. The term 'solar array' is often used to describe the entire assembly of panels that are exposed to sunlight, whether on a rooftop, ground mount, or in a large utility-scale solar farm.