The term SOLAR PANEL COMPONENT can be broken down into two parts: the solar panel and the component. The solar panel is a device that converts sunlight into electricity, while the component is a part of the solar panel that helps it to function. The crossword solution for this term is CELL, which refers to the photovoltaic cells that are used in solar panels. Photovoltaic cells are made up of semiconductor materials that convert sunlight into electricity. They are the main component of solar panels and are essential for their functioning.