Section 1. Short title
This Act may be cited as the Transparency and Honesty in Energy Regulations Act of 2025.
Section 2. Definitions
In this Act:
(1) Federal agency
The term Federal agency has the meaning given the term agency in section 551 of title 5, United States Code.
Section 3. Prohibition on considering the social cost of greenhouse gases, including the social cost of carbon, the social cost of methane, and the social cost of nitrous oxide
The head of a Federal agency may not consider the social cost of carbon, the social cost of methane, the social cost of nitrous oxide, or the social cost of greenhouse gases—
(1) as part of any cost-benefit or cost-effectiveness analysis required under—
(A) any law;
(B) Executive Order 12866 (5 U.S.C. 601 note; relating to regulatory planning and review); or
(C) Executive Order 13563 (5 U.S.C. 601 note; relating to improving regulation and regulatory review);
(2) in any rulemaking;
(3) in the issuance of any guidance;
(4) in taking any other agency action; or
(5) as a justification for any rulemaking, guidance document, or agency action.
Section 4. Report to Congress
Not later than 120 days after the date of enactment of this Act, the head of each Federal agency shall submit to the Committees on Environment and Public Works and Energy and Natural Resources of the Senate and the Committees on Energy and Commerce and Natural Resources of the House of Representatives a report describing the number of proposed and final rulemakings, guidance documents, and agency actions that, since January 2009, have used the social cost of carbon, the social cost of greenhouse gases, the social cost of methane, or the social cost of nitrous oxide, including the use of the social cost of carbon, the social cost of greenhouse gases, the social cost of methane, or the social cost of nitrous oxide as part of any cost-benefit analysis required under Executive Order 12866 (5 U.S.C. 601 note; relating to regulatory planning and review) or other relevant authority.
(1) In general
In carrying out any permitting adjudication or regulatory process—
(A) the head of each Federal agency shall, in taking into account any environmental considerations, only use such environmental considerations as are explicitly required under an Act of Congress; and
(B) the use of any environmental consideration not described in subparagraph (A) is prohibited.
(2) Use of robust methodologies
In carrying out paragraph (1), the head of a Federal agency, in the determination of the head of that Federal agency—
(A) shall strictly use the most robust methodology of assessment available; and
(B) shall not use any methodology that is arbitrary or ideologically motivated.
(b) Regulatory analysis
The head of each Federal agency shall—
(1) ensure that any estimates to assess the value of changes in greenhouse gas emissions resulting from the actions of that Federal agency, including with respect to the consideration of domestic versus international effects and evaluating appropriate discount rates, are, to the extent permitted by law, consistent with the guidance contained in Office of Management and Budget Circular A–4, dated September 17, 2003; and
(2) as appropriate and consistent with applicable law, initiate a process to make such changes to any rule, regulation, policy, or action of the Federal agency as may be necessary to ensure consistency with Office of Management and Budget Circular A–4, dated September 17, 2003.