This document establishes the formal regulatory framework for the registration of electricity suppliers and related entities under the Electricity Act 1989. The text is authored by the legislative body of Great Britain, serving as a primary legal instrument to codify the administrative requirements for market participants. It provides the specific legal definitions and procedural mandates necessary for compliance within the national energy sector.

Legal professionals and policy analysts utilize this document as a foundational reference for understanding the regulatory environment of the UK energy market. It is recognized as a technical, highly specific legislative text intended for regulatory compliance and historical legal research.