How to achieve higher power yield in east-west oriented solar arrays deployed on flat roofs

Researchers in Switzerland investigated different setups to maximize energy yields per area for PV Systems on flat roofs. Their work revealed that using horizontal single-axis tracking and reflectors could add up to 5% greater performance. A group of scientists led by the Zurich University of Applied Science (ZHAW) in Switzerland performed simulations and measurements aiming to maximize power yield in east-west oriented PV arrays installed on flat roofs. One of the experimental setups included horizontal single-axis tracking (HSAT) with PV panels arrayed in an east-west orientation with an atypically ...

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