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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Entry Capacity Substitution Methodology Statement (Proposed) v6.3 - Effective 1 November 2015
Entry Capacity Substitution Methodology Statement (Proposed) v7.2 - Effective 17 January 2017
Entry Capacity Substitution Methodology Statement (Proposed) v8_2 - Effective 31 July 2017
Entry Capacity Substitution Methodology Statement - Discussion Draft (July 2008)
Entry Capacity Substitution Review 2010
Entry Capacity Substitution Workshop 1 - National Grid Presentation
Entry Capacity Substitution Workshop 2 - National Grid Presentation
Entry Capacity Substitution Workshop 3 - National Grid Presentation
Entry Capacity Substitution Workshop 4 - National Grid Presentation
Entry Capacity Transfer and Trade Methodology Statement (Approved) v2_0 - Effective 01 June 2008