; and (4) in the undesignated matter following subparagraph (B) of paragraph (1) (as so redesignated), by striking No such rule and inserting the following: (2) Limitation No rule . (c) Termination of mandatory purchase requirements Section 210(m)(1) of the Public Utility Regulatory Policies Act of 1978 ( 16 U.S.C. 824a–3(m)(1) ) is amended— (1) in subparagraph (B)(ii), by striking or at the end; and (2) by striking subparagraph (C) and inserting the following: (C) any independently administered, voluntary, auction-based energy market (including an energy imbalance market), regardless of whether— (i) an applicable electric utility participating in such a market is a member of a regional transmission organization or an independent system operator; or (ii) such a market has a governance structure and operation that is wholly separate and autonomous from a regional transmission organization or an independent system operator; or (D) wholesale markets that are of comparable competitive quality to markets described in subparagraph (A), (B), or (C). . (d) Nondiscriminatory access Section 210(m) of the Public Utility Regulatory Policies Act of 1978 ( 16 U.S.C. 824a–3(m) ) is amended by adding at the end the following: (8) Nondiscriminatory access (A) In general For purposes of this subsection, a qualifying small power production facility with an installed generation capacity of 2.5 megawatts or greater is presumed to have nondiscriminatory access to the transmission and interconnection services and wholesale markets described in subparagraphs (A), (B), (C), and (D) of paragraph (1). (B) Exception Subparagraph (A) shall not apply with respect to a qualifying small power production facility that, as of the date of enactment of this paragraph— (i) produces both electric energy and useful thermal energy