A solar panel lying under a road is at a number of disadvantages. As it’s not at the optimum tilt angle, it’s going to produce less power and it’s going to be more prone to shading, which is a problem as shade over just 5% of the surface of a panel can reduce power generation by 50%.
According to http://ow.ly/3fO350v79gy, the panels are also likely to be covered by dirt and dust and would need far thicker glass than conventional panels to withstand the weight of traffic, which will further limit the light they absorb.
Unable to benefit from air circulation, it’s inevitable these panels will heat up more than a rooftop solar panel too. For every 1°C over optimum temperature, you lose 0.5% of energy efficiency.
As a result, a significant drop in performance for a solar road, compared to rooftop solar panels, has to be expected.
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‘All rights go to the author of the news and image mentioned above’
Date: Jul 21, 2019 @ 16:30
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