The upcoming Supreme Court term is set to challenge regulatory power, with significant implications for the Biden administration's environmental policies. Two key cases will examine the extent of agency deference, potentially limiting the power of federal agencies. Jones Day's Noel Francisco and Hashim Mooppan have highlighted these cases as pivotal. Grid operators have urged the court to overturn EPA rules, warning that the current regulations could lead to a collapse of the electricity system. This move could create significant obstacles for Biden’s green power plant rules.