Except as provided in section 8374 of this title, nothing in this chapter shall be construed as permitting any existing or new electric powerplant to delay or avoid compliance with applicable environmental requirements.

In the case of any new or existing facility—

(1) which is subject to any prohibition under this chapter, and

(2) which is also subject to any requirement of any local environmental requirement which may be stricter than any Federal or State environmental requirement,

(Pub. L. 95–620, title VII, § 761, Nov. 9, 1978, 92 Stat. 3345; Pub. L. 100–42, § 1(c)(23), May 21, 1987, 101 Stat. 314.)