The Electricity (Applications for Licences, Modifications of an Area and Extensions and Restrictions of Licences) Regulations 2019

These Regulations set out the information, and other documents that are required to be submitted with applications for generation, transmission, distribution, supply and interconnector licences (and for modifications of an area of transmission licences and extensions, or restrictions of supply and distribution licences) under the Electricity Act 1989, as amended by the Utilities Act 2000 and the Energy Act 2004. They specify the form and manner of such applications. These Regulations also set out the manner in which notices of applications are to be published.

Link: The Electricity (Applications for Licences, Modifications of an Area and Extensions and Restrictions of Licences) Regulations 2019
Source: Legislation .gov.uk