Tracking technology is not new to the solar market, but single-axis solutions have recently become a standard in utility-scale applications. “In the past decade, the cost of solar trackers has come down considerably with value engineering and overall demand for these systems, given a 15 to 30% production gain over fixed-tilt systems on the same size array.” “Solar trackers make financial sense when the yield gain over fixed-tilt applications outweighs the capital expenditure of the system,” said Alex Au, chief technical officer at NEXTracker. Single-axis trackers follow the sun east-to-west on a single point.
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