Credit: SEG Solar. SEG Solar has launched its second photovoltaic (PV) module manufacturing facility in Greater Houston, Texas, expanding its total US production capacity to 6GW per year. Tomball #1 is also said to be one of the country’s largest HJT module manufacturing plants. SEG founder and COO Jun Zhuge said: “Seeing another SEG manufacturing facility stand on American soil is a proud moment for all of us. By the end of 2025, SEG Solar had shipped more than 7.5GW of solar modules worldwide and had reached a total production capacity of 6.5GW.