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Issue 878 | CMP320 Workgroup

CUSC Workgroup Meeting: CMP320 Island MITS Radial Link Security Factor 23 August 2019 Robert Longden   Assessment 1 = Critical Issue; 2 = Significant Commercial Impact; 3 = Intermediate Commercial Impact; 4 = Modest Commercial Impact; & 5 = No Obvious Commercial Impact. Attendees: Chaired by Rob Marshall (Code administrator), with proposer representative Jenny Geraghty (SSE) and eleven work group members including Robert Longden (Cornwall Insight)   Headlines CMP320 Island MITS Radial Link Security Factor was raised by SSE Generation on 26 July 2019. This was followed by a request for urgency on 5 August. The CUSC Panel has written to Ofgem seeking urgent status. A decision could be made by 28 August. This in turn would allow a shortened consultation and possible approval process The timeline is primarily driven by the need for cost clarity when considering participation in the upcoming CfD auctions The proposal seeks to apply a security factor of 1.0 rather than 1.8 to single circuit connections which link the Main Interconnected Transmission System (MITS) to an “islanded” MITS node The workgroup considered the issues raised by the proposal and the additional terms of reference set by the CUSC Panel. These were deemed to be addressed satisfactorily and the workgroup report will be available for industry consideration in the next few days Ofgem’s decision on urgency will determine the timetable for the further progression of the modification 1 Background CMP320 Island MITS Radial Link Security Factor was raised by SSE Generation on 26 July 2019. The rules regarding definition of a Main Interconnected System (MITS) node means that it is possible that a ...

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