18 C.F.R. § 292.602
(c) Exemption from certain State laws and regulations.
(1) Any qualifying facility described in paragraph (a) of this section shall be exempted (except as provided in paragraph (c)(2) of this section) from State laws or regulations respecting:
(4) Upon request of any person, the Commission may determine whether a qualifying facility is exempt from a particular State law or regulation.
(Energy Security Act, Pub. L. 96-294, 94 Stat. 611 (1980) Public Utility Regulatory Policies Act of 1978, 16 U.S.C. 2601, et seq., Energy Supply and Environmental Coordination Act, 15 U.S.C. 791, et seq., Federal Power Act, as amended, 16 U.S.C. 792 et seq., Department of Energy Organization Act, 42 U.S.C. 7101, et seq.; E.O. 12009, 42 FR 46267)
[45 FR 12237, Feb. 25, 1980, as amended by Order 135, 46 FR 19232, Mar. 30, 1981; Order 671, 71 FR 7869, Feb. 15, 2006; Order 671-A, 71 FR 30589, May 30, 2006; Order 732, 75 FR 15966, Mar. 30, 2010; 77 FR 9842, Feb. 21, 2012]