How Does a Solar PV Cell Work?

This short video shows how the cell on a photo-voltaic (solar module) panel works. Sunlight is made up of tiny packets of energy called photons. Every minute, enough of this energy reaches the earth to meet the worlds energy demands for a whole year. The solar cells on a solar module or array are made up of silicon, and positive and negative metal layers which create an electric field. As the photons from the sun’s energy hits the solar cell, its electrons are freed, passing through to the bottom of the cell, and being diverted out to the electrical wire which then carries that energy to a light bulb, or appliances, etc. This flow of electrons is what we call electricity. Photovoltaics are just a small part of Renewable Energy (RE).