Solar panels are modules capable of harnessing the energy of solar radiation. This faculty includes both the solar collectors used to produce hot water and the photovoltaic panels used to generate electricity.
When you will look into the inner tube of the center of the swimming pool, you notice that the water present on the tube’s surface will become warm because of the sun. It is the basic solar energy principle.
A Solar collector is a device that collects solar radiation/heat from the sun. This type of device can be found predominantly in some type of solar hot water system.