It was a record year for global shipments of single-axis solar photovoltaic (PV) trackers in 2018, as they increased by more than 40%, surpassing 20 GW globally for the first time, writes IHS Markit senior analyst Camron Barati. While the United States continued to be the largest individual market for single-axis trackers last year, shipments also increased in Mexico, Australia, Egypt, Spain, and other large utility-scale markets.