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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ITO Guidance Document 2025.2026
Independent Stakeholder Group Report June 2025
Indicative Notice of General Non-Transmission Services Charges from October 2025
Innovation Strategy document for 2025
Independent Stakeholder Group Report March 2025
Initial Enquiry Form - BLANK
Independent Stakeholder Group Report December 2024
Investing_in_our_people_and_capability_for_the_future
Innovating_now_and_for_future_generations
Invitation to Tender Letter 2025-26