II 118th CONGRESS 1st Session S. 2480 IN THE SENATE OF THE UNITED STATES July 25, 2023 Mr. Markey (for himself, Ms. Smith , Mr. Whitehouse , Ms. Warren , Mr. Sanders , Mr. Merkley , Mr. Carper , and Mr. Welch ) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To require the Federal Energy Regulatory Commission to promulgate regulations with respect to regional and interregional transmission planning, and for other purposes.