CM089 & CM091 Implementation of the Electricity System Restoration Standard & Implementation of Emergency and Restoration Code Phase II
CM089 is proposing a number of changes to the STC to facilitate Special Condition 2.2 of NGESO Transmission Licence. Implementing an Electricity System Restoration Standard (ESRS) which requires 60% of electricity demand to be restored within 24 hours in all regions, and 100% of electricity demand to be restored within 5 days nationally. CM091 is a consequential modification required to align the STC with changes already being proposed to the Grid Code within GC0148 to facilitate the implementation of Phase II of the EU Emergency and Restoration Code.
Code Administrator Contact: Milly Lewis [email protected]
Governance Route: Standard Governance modification with assessment by a Workgroup
Impacts: High impact - Restoration Service Providers, Generators, Transmission Licensees, Interconnectors, Transmission Owners, Distributed Network Owners, Non-Embedded Customers, and the Electricity System Operator
Amalgamation with CM091
At the STC Panel on 31 May 2023, it was agreed the amalgamation of CM089 with CM091 Implementation of Emergency and Restoration Code Phase II; the consequential modification required to align the STC with changes proposed to the Grid Code within Grid Code modification GC0148 to facilitate the implementation of Phase II of the EU Emergency and Restoration Code, due to the interlinking nature of Grid Code modification GC0156 (CM089) and Grid Code modification GC0148 (CM091) as solutions.
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