II 118th CONGRESS 2nd Session S. 3627 IN THE SENATE OF THE UNITED STATES January 18, 2024 Mr. Brown (for himself, Mr. Cruz , Mr. Manchin , Mr. Hagerty , Mr. Fetterman , Mr. Ricketts , Mr. Casey , Mr. Rubio , Ms. Sinema , Mr. Young , Mr. Tester , and Mr. Budd ) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To amend the Energy Policy and Conservation Act to require a certain efficiency level for certain distribution transformers, and for other purposes.

1. Short title This Act may be cited as the Distribution Transformer Efficiency and Supply Chain Reliability Act of 2024 . 2. Efficiency level for liquid-immersed and dry type distribution transformers Section 321(35) of the Energy Policy and Conservation Act ( 42 U.S.C. 6291(35) ) is amended by adding at the end the following: (C) Efficiency level The Secretary shall not finalize any rule under which the efficiency level of a liquid-immersed type, low voltage dry type, or medium voltage dry type distribution transformer is greater than trial standard level 2 (as described in table V.1 in the proposed rule entitled Energy Conservation Program: Energy Conservation Standards for Distribution Transformers (88 Fed. Reg. 1722 (January 11, 2023))). (D) Effective date for certain rules Any rule finalized by the Secretary under which the efficiency level of a liquid-immersed type, low voltage dry type, or medium voltage dry-type distribution transformer is trial standard level 1 or 2 (as described in table V.1 in the proposed rule entitled ‘Energy Conservation Program: Energy Conservation Standards for Distribution Transformers’ (88 Fed. Reg. 1722 (January 11, 2023))) shall not take effect until 10 years after the date on which the rule is finalized. .