The top five solar panel manufacturers in the U. are First Solar, Qcells, Canadian Solar, Illuminate USA, and T1 Energy. These companies produce high-performance solar panels for residential, commercial, and utility-scale installations. . The current top five USA solar panel manufacturers by peak manufacturing capacity are: American-made solar panels may not always come from American companies, but they are built by American workers. . Until recently, most of the solar panels installed in the United States were not actually made here. Instead, they were manufactured overseas—mainly in China—where production costs were lower. However, a shift has taken place in the American solar industry over the past few years. This data is collected by Solar Power World editors and will be continually updated as facilities. . Solar panel manufacturers in the USA are steering record-breaking solar installations in 2025. According to the US Department of Energy, in Q1 of 2025, the US installed a capacity of 10. Texas and Florida recorded. .
