Retractable roof harness solar energy to power greenhouses

Mirai Solar, a solar technology startup of King Abdullah University of Science and Technology, is disrupting the greenhouse market by developing foldable roof shades that not only prevent fruits, vegetables, and flowers from extreme sunlight but also generate electricity to run these facilities.

Established in 2019, the company manufactures retractable, semitransparent photovoltaic shade screens that convert blocked sunlight into electricity. The solution has two main components: the PV panels and the shade screen.

The PV panels are made of monocrystalline silicon solar cells that generate an electric current when exposed to sunlight, which is fed into the local power distribution panel to support the energy needs of the greenhouse.

On the other hand, the shade screen is made of specialized light diffusion material designed to regulate the amount of light that enters the greenhouse by sliding back and forth along a track. When the shade screen is fully extended, it blocks part of the sunlight from entering the greenhouse, and when it is retracted, it allows more sunlight to enter.


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