; (2) to facilitate future highway maintenance and construction work; (3) to facilitate future maintenance work for the transmission lines; (4) to integrate transmission planning and siting into transportation planning; and (5) to facilitate electrical needs for light-duty, medium-duty, and heavy-duty rapid charging infrastructure on public roadways. III Modernization of Electricity Ratemaking 301. Reflection of the cost of greenhouse gas emissions in rates Part II of the Federal Power Act ( 16 U.S.C. 824 et seq. ) is further amended by adding at the end the following: 230. Reflection of the cost of greenhouse gas emissions in rates and charges (a) In general Not later than 18 months after the date of enactment of the Clean Electricity and Transmission Acceleration Act of 2023, the Commission shall issue regulations to require public utilities to reflect the cost of greenhouse gas emissions associated with the generation, transmission, and sale of electric energy subject to the jurisdiction of the Commission in the rates and charges for such generation, transmission, and sale in accordance with this section. (b) Cost of greenhouse gas emissions (1) In general Not later than 180 days after the date of enactment of the Clean Electricity and Transmission Acceleration Act of 2023, the Commission shall determine the cost of greenhouse gas emissions for the purpose of issuing regulations under subsection (a). (2) Consideration In determining such cost of greenhouse gas emissions, the Commission, in consultation with the Administrator of the Environmental Protection Agency— (A) may consider— (i) Federal guidance or standards relating to the social cost of carbon; and (ii) any other generally accepted Federal, State, or other methodology for determining the cost of greenhouse gas emissions