№ lp_1_2_22172
Formal workgroup report within the Uniform Network Code governance process setting out the rationale, governance assessment, timetable, and proposed legal and business rule changes for extending the Planned Maintenance Period on the National Transmission System.
Year: 2025
Document type: Workgroup report
Code framework: Uniform Network Code
Modification reference: UNC 0907
Subject matter: Planned Maintenance Period extension
Current maintenance period: 01 April to 31 October
Proposed maintenance period: 01 March to 30 November
Impacted code section: TPD Section L – Maintenance and Operational Planning
Governance process: Authority Direction
Impacted parties: NTS Directly Connected Consumers and Shippers; Suppliers and Distribution Networks
Proposer: National Gas Transmission
Panel consideration date: 16 October 2025
Workgroup report presentation date: 20 November 2025
Regulatory context: RIIO-GT3
Legal basis referenced: Gas Act 1986
Contact organisation: Joint Office of Gas Transporters
Price: 8 / 10 USD
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