When finished with a project store the lens covered preferably in a dark room or closet away from windows that experience direct sunlight.
Fresnel lens solar panel.
Concentrators work best when there is a single source of light and the concentrator can be pointed right at it.
This makes much more focused light come to each solar cell making the cells vastly more efficient.
Solar concentrators put one of these lenses on top of every solar cell.
The largest fresnel concentrating solar power plant opened in 2012.
However with recent innovations in technology the fresnel lens concentrating panel is ready to go big time.
A fresnel lens from the front.
Ultimately the cost of solar cell is several times lower than normal capacity which provides maximum benefits to the user.