Also, making transmission upgrades contingent on a state’s assumption of their costs would allow a state, such as Maryland, “to free ride, receiving reliability benefits of new infrastructure without paying for them,” Clements said.

But FERC Commissioner Mark Christie said arguments made by Maryland’s ratepayer advocate and others deserve “serious consideration.” The cost allocation issues they raised affects all multi-state RTOs, and FERC should launch a proceeding to help resolve how projects driven by state policies should be paid for, he said.

“The states themselves need to be at the forefront of deciding these questions, as it is their own state policies that are largely making these questions unavoidable,” he said.