Approval of UK-Ireland TSO’s proposal of Regional Operational Security Coordination Methodology

19 June 2020

The Utility Regulator has published its decision to approve the UK-Ireland the Transmission System Operators (TSO’s) proposal of Regional Operational Security Coordination Methodology in accordance with Article 6(1) Commission Regulation (EU) 2017/1485 of 2 August 2019 establishing guideline on electricity transmission system operation (SOGL).

Articles 76 and 77 of the SOGL requires that all TSOs in the Ireland-UK Capacity Calculation Region (IU CCR) develop a proposed methodology for regional operational security coordination (IU ROSC Methodology).

The IU ROSC Methodology addresses day-ahead and intraday regional security coordination within the IU CCR and is to be applied to all TSOs and Regional Security Coordinators (RSCs) operating in the IU CCR. The IU ROSC Methodology outlines specific information to be submitted by the TSOs to the RSC to enable a strategy to be developed that addresses operational security limit violations.

The IU Regulatory Authorities’ Agreement reached on 18 June 2020, attached is;