; and (B) then awarding funds to entities sequentially by entity submitting such a proposal with the next lowest bid amount so identified until all funds are awarded. (c) Consultation The Secretary shall consult with the Secretary of the Interior, the Secretary of Agriculture, and the Administrator of the Environment Protection Agency in promulgating regulations to measure, monitor, and verify any natural sequestration activities awarded under this section. 206. State programs (a) Savings provision (1) In general Except as provided in paragraph (2) and subject to subsection (b), nothing in this title affects the authority of a State or a political subdivision of a State to adopt or enforce any law or regulation relating to— (A) clean energy or renewable energy; or (B) the regulation of a retail electricity supplier. (2) Federal law Except as otherwise provided in this section, no law or regulation of a State or a political subdivision of a State may relieve a retail electricity supplier from compliance with an applicable requirement of this title. (b) Coordination The Secretary, in consultation with States that have clean energy programs or renewable energy programs in effect, shall facilitate, to the maximum extent practicable, coordination between the implementation of this Act and the relevant State clean energy program or renewable energy program. (c) More stringent State clean energy programs (1) Determination (A) In general The Secretary, in consultation with States that have State clean energy programs or renewable energy programs in effect, shall determine whether each such State is implementing a more stringent State clean energy program. (B) Deadlines The Secretary shall make a determination under subparagraph (A)— (i) not later than January 1, 2021, with respect to a State clean energy or renewable energy program in effect on the date of enactment of this Act, and every 5 years thereafter