China has loomed large over the industry for more than a decade. American demand for solar power has grown sharply since 2010 — by about 24 percent each year in that time, according to the Solar Energy Industries Association, a trade group. But much of that spending went to cheaper foreign solar panels, often made by Chinese companies or with Chinese parts. That raised concerns about American overreliance on China, which is restricting supplies of other key products and whose solar production has been troubled by human rights concerns.
Read the article.
