CONSULT.Outcome publishedConsultation · gov.uk
Smart Metering Implementation Programme: Great Britain Companion Specification version 0.8
Seeking views on the content of draft Great Britain Companion Specification version 0.8.
Last fetched 03 May 2026 · gov.uk
Detail
The Great Britain Companion Specification (GBCS) describes the detailed requirements for communications between Smart Metering Devices in consumers’ premises, and between Smart Metering Devices and the Data and Communications Company (DCC).
This consultation seeks views on the content of draft GBCS version 0.8, which is intended to form the basis of Systems Integration Testing. It also proposes minor amendments to the Smart Energy Code (SEC) to be made when the GBCS is incorporated in the SEC.
Documents
Smart Metering Implementation Programme: a consultation on the Great Britain Companion Specificationapplication/pdfGreat Britain Companion Specification (GBCS) v0.8: complete Word version with embedded HTML and Excel filesapplication/vnd.openxmlformats-officedocument.wordprocessingml.documentResponse form for comments to the GBCSapplication/vnd.ms-excelGovernment response to a consultation on the Great Britain Companion Specificationapplication/pdfGreat Britain Companion Specification (GBCS) v0.8.1: complete Word version with embedded HTML and Excel filesapplication/vnd.openxmlformats-officedocument.wordprocessingml.document