18 CFR §4.90
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This subpart implements section 30(b) of the Federal Power Act and provides procedures for obtaining an exemption for constructed or unconstructed small conduit hydroelectric facilities, as defined in § 4.30(b)(30), from all or part of the requirements of Part I of the Federal Power Act, including licensing, and the regulations issued under Part I.