{"data":{"id":"us/18-cfr-4.90","jurisdiction":"us","citation":"18 CFR 4.90","heading":"Applicability and purpose.","body":"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.","path":["Title 18—Conservation of Power and Water Resources","CHAPTER I—FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY","SUBCHAPTER B—REGULATIONS UNDER THE FEDERAL POWER ACT","PART 4—LICENSES, PERMITS, EXEMPTIONS, AND DETERMINATION OF PROJECT COSTS","Subpart J—Exemption of Small Conduit Hydroelectric Facilities"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-18.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:34Z","sha256":"8959696e1d0bcb7bdc76e2e0d82a691f63866287d6ec520e190a5ec1bd0a0142","source_id":"us-cfr","stale":true,"prev":"us/18-cfr-4.84","next":"us/18-cfr-4.91"},"notice":"GroundRules: Original legal text. Not legal advice."}