Spanish companiesOnyx Solar and Butech are collaboratively developing a solar walkway which should be available for purchase by the end of the year.
In America, Scott Brushaw has been developing Solar Roadways but he is still a ways from mass production.
The Onyx/Butech sidewalk is made of super-strong solar PV glass integrated over elevated ceramic and is walkable. You can even place furniture on it, but move aside it in the bright of day, so that the panels soak up the sun. The developers described their greatest challenge as heat dispersion, so that those who like to go barefoot will not burn their feet. The company says they have mastered that issue. As well, the companies have greatly reduced the intial CO2 manufacturing footprint. Kudos.
Onyx Solar also makes Walkable Solar Skylights/Roofs, Solar Garages and Integrated Solar Outdoor Wall Panels. See their product catalog for more.
Solar Garage
Some of Onyx Solar's Integrated Solar Wall Structures...
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