The growth of solar energy in the United States is not only visible in new solar projects, but also in the industrial infrastructure needed to build them. According to Canary Media, in just a few years the U.S. has opened enough factories to assemble nearly 70 gigawatts of finished solar panels, based on data from the Solar Energy Industries Association (SEIA). That capacity is already beyond what the country installs in a year, showing how quickly the U.S. solar supply chain is expanding.
But this growth is not only about assembling panels. The next major challenge is strengthening production of higher-value components, especially solar cells, which convert sunlight into electricity. As domestic manufacturing continues to scale, solar energy is becoming more than a clean power source. It is also an industrial engine capable of supporting infrastructure, jobs and greater energy independence across the country.

Source: Canary Media, June 9, 2026. Based on Solar Energy Industries Association (SEIA) data.
