Energy is a word with more than one meaning. Mostly it is used in science to describe how much potential a physical system has to change. In physics, energy is a property of matter and space, objects and fields. It can be transferred between objects and can also be converted in form.
Examples of these are: light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy and so on. These forms of energy can be transferred and transformed between one another. This is of immense benefit to us.

Solar Energy

Solar power systems derive clean, pure energy from the sun. Installing solar panels on your home helps combat greenhouse gas emissions and reduces our collective dependence on fossil fuel. Traditional electricity is sourced from fossil fuels such as coal and natural gas.
This technology may be the future of solar energy. … And now, many experts are arguing that an emerging type of technology, known as the “perovskite” solar cell, is the face of the future. Solar cells, the devices that convert solar energy into electricity, only come in so many forms at the moment.
While in use, solar panels create absolutely no waste or emissions. Unlike fossil fuel power plants, they produce clean, renewable energy from a fuel source that requires no locating, excavation, transportation, or combustion.