The two largest federally overseen electric markets with the largest amounts of coal said Monday that Obama-era climate regulations have met their match in the Trump administration.

“Since its introduction as a proposed rule, the [Clean Power Plan] has garnered a significant amount of opposition, and the current political environment makes it unlikely that it will survive in its current form,” said PJM Interconnection and the Midcontinent Independent System Operator, or MISO, in a new joint study of the plan issued Monday.