Key Solar Panel Ingredient Is Made in the U.S.A. Again | REC Silicon says it will soon start shipping polysilicon, which has come mostly from China, reviving a Washington State factory that shut down

Executives at the companies say they reopened the factory in part because of incentives for domestic manufacturing in the Inflation Reduction Act, President Biden’s signature climate law. They expressed hope that their decision would also encourage other companies to revive production of a technology that was created in the United States about 70 years ago.