National Gas Transmission owns and operates the gas National Transmission System (NTS) — a 5,000-mile pipeline network that transports gas from terminals and ports to every part of Britain.
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System Management Principles Statement v13.0 – Approved
Summer 2025 Maintenance Programme Final
System Management Principles Report 2020-2021
System Management Principles Report 2022-2023
System Management Principles Report 2021-2022
SMPS v12.1 - For Consultation
SMPS Consultation Letter - February 2025
Summer 2025 Maintenance Programme Draft
Safety Monitor Publication 2024-25
September 2024 Gas Operational Forum - Slide pack