The Embedded Capacity Register (ECR) has been developed to provide better information to electricity network stakeholders on connected resources and network requirements. Each Distribution Network Operator (DNO) will host a register which will provide accessible information at a local and national level. The register uses a format agreed through the Energy Networks Association's Open Networks project, an industry initiative aimed at transforming the operation of energy networks and delivering a smart grid. Our register provides information on generation and storage resources (>=50kW) that are connected, or accepted to connect, to the electricity distribution networks owned and operated by us and it will be updated on a monthly basis. The register also includes information on the flexibility services that are being provided by connected resources, assisting to control or schedule demand and/or generation to reduce network constraints.
Embedded Capacity Register 4.0 March 2024
XLSXEmbedded Capacity Register 4.0 March 2025
XLSXEmbedded Capacity Register 4.0 April 2025
XLSXEmbedded Capacity Register 4.0 February 2024
XLSXEmbedded Capacity Register 4.0 July 2024
XLSXEmbedded Capacity Register 4.0 January 2025
XLSXEmbedded Capacity Register 4.0 June 2025
XLSXSSEN Embedded Capacity Register v4.0, September 2023
XLSXEmbedded Capacity Register Attributes and Definitions
Embedded Capacity Register 4.0 September 2025
XLSXEmbedded Capacity Register 4.0 September 2024
XLSXSSEN Embedded Capacity Register v4.0, August 2023
XLSXSSEN ECR Part 1 - 1MW February 2026 CSV
CSVECR Data Surgery Slides
PDFSSEN Embedded Capacity Register v4.0, Latest
XLSXEmbedded Capacity Register 4.0 May 2024
XLSXEmbedded Capacity Register 4.0 November 2025
XLSXEmbedded Capacity Register 4.0 June 2024
XLSXEmbedded Capacity Register 4.0 October 2024
XLSXEmbedded Capacity Register 4.0 February 2026
XLSXECR Data Surgery
URLEmbedded Capacity Register 4.0 April 2024
XLSXEmbedded Capacity Register 4.0 July 2025
XLSXEmbedded Capacity Register 4.0 January 2026
XLSXEmbedded Capacity Register 4.0 May 2025
XLSXSSEN ECR Part 1 - 50kW February 2026 CSV
CSVMethodology Statement - Embedded Capacity Register
Embedded Capacity Register 4.0 August 2025
XLSXEmbedded Capacity Register 4.0 November 2024
XLSXEmbedded Capacity Register 4.0 December 2025
XLSXEmbedded Capacity Register 4.0 October 2025
XLSXSSEN Embedded Capacity Register v4.0, November 2023
XLSXRelevant Third Party Resource - Embedded Capacity Register Overview
URLEmbedded Capacity Register 4.0 December 2023
XLSXEmbedded Capacity Register 4.0 December 2024
XLSXSSEN Data Triage record for Embedded Capacity Register
SSEN Embedded Capacity Register GIS Dashboard
MapEmbedded Capacity Register 4.0 August 2024
XLSXEmbedded Capacity Register 4.0 January 2024
XLSXEmbedded Capacity Register 4.0 February 2025
XLSXSSEN Embedded Capacity Register v4.0, October 2023
XLSX

