What can solar energy be used for?

Answer 1

1. For solar hot water on the roofs of houses.
2. For generating electricity on the roofs of houses (photovoltaic panels)
3. For growing trees, vegetation and crops.
4. For warming the earth and the atmosphere.
5. For photosynthesis.
6. For cooking, in solar ovens.
7. For tanning, as in turning skin into leather.
8. For drying, when you hang your wet clothes out on a line.
9. For disinfecting water so you can drink it (8 hours in a PET bottle in the sun).

Anything you want. There is no cost for the energy,

and there are no legal restrictions on its use.