If we can leave behind the public wave of denial in the reality of climate change and global warming, as caused by us, people, solar will be increasingly important in future lives as a clean, renewable energy.
Energy from the sun is present in fossil fuels, stored in fossilised plant remains that once grew and absorbed the sun’s energy through photosynthesis.
It is also directly experienced in the warmth of the sun and in its light.
The history of solar energy is a long one indeed. Defining solar energy may be simple but there is not just one answer to the question: what is solar energy? Generally solar energy is divided into two types: thermal energy and electric energy.
In summary, what is solar energy? It is
1. Energy from the sun
2. Thermal energy
3. Electric energy
5. Grid connected