This article is not specifically nuclear but can impact nuclear. Much of the push for new nuclear is carbon free generation.
Supreme Court’s Chevron ruling creates power sector uncertainty: Moody’s"The ruling makes it more likely courts will reverse the Environmental Protection Agency’s rule to cut carbon dioxide emissions from power plants and its auto emissions rules, which were expected to drive growth in electric and hybrid vehicles, according to the credit ratings agency."
https://www.utilitydive.com/news/supreme-court-chevron-utility-power-sector-uncertainty-moodys/721196/