Biden administration rules released on Friday that will determine which companies and manufacturers can benefit from new solar industry tax credits are being criticized by U.S.-based makers of solar products, who say the guidelines do not go far enough to try to lure manufacturing back from China. The Treasury Department, in guidance issued on Friday, said it would offer a 10 percent additional tax credit for facilities assembling solar panels in the United States, even if they import the silicon wafers used to make those panels from foreign countries. Under the Biden administration’s new climate legislation, solar and wind farms can apply for a 30 percent tax credit on the costs of their facilities. Senior administration officials told reporters on Thursday that they were trying to take a balanced approach, one that leaned toward forcing supply chains to return to the United States. But China’s dominance of the global solar industry has created a tricky calculus for the Biden administration, which wants to promote U.S. manufacturing of solar products but also ensure a plentiful supply of low-cost solar panels to reduce carbon emissions.

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