TechnologySouth Korean solar maker's $2.5bn factory will produce cells using its own wafers, ingotsQcells, part of South Korea's Hanwha Group, has become one of the largest U.S. producers of solar panels after investing billions of dollars to set up two giant factories in Georgia. (Photo by Pak Yiu)PAK YIUJune 10, 2026 04:00 JSTCARTERSVILLE, Georgia -- Hanwha Qcells began production of solar cells in the U.S. on Tuesday, debuting the country's first integrated supply chain plant for the clean energy technology.