NTS Operating Margins NTS Charges NTS Auctions Operating Margins Safety Monitors NTS Gas Quality Parameters Printer friendly version Related Files File 12 December 2014 Gas OM Tender User Flow Chart for 2015 File 12 December 2014 Gas OM Storage Agreement Terms File 12 December 2014 Gas OM LNG Storage and Importation Agreement Terms File 12 December 2014 Gas OM Invitation To Tender (ITT) for 2015 File 12 December 2014 Gas OM Gas Delivery Service - Tender Pack 2 - 2015 File 12 December 2014 Gas OM Delivery Service Agreement Terms (Single Site) File 12 December 2014 Gas OM Delivery Service Agreement Terms (Portfolio) File 12 December 2014 Gas OM Capacity Service - Tender Pack 1 - 2015 File 12 December 2014 Gas Indexation Principles Document for 2015 File 28 February 2014 Operating Margins 2014/15 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 01 March 2013 Operating Margins 2013/14 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 21 December 2012 Operating Margins Gas Storage Agreement File 21 December 2012 Operating Margins Gas Delivery Service (portfolio) File 21 December 2012 Operating Margins Gas Delivery Service (single site) File 21 December 2012 Operating Margins Services - LNG Storage and Importation Agreement File 21 December 2012 Operating Margins 2013 Gas Delivery Service - Tender Pack 2 File 21 December 2012 Operating Margins 2013 Capacity Service - Tender Pack 1 File 21 December 2012 Operating Margins Tender User Flow Chart File 21 December 2012 Operating Margins Tender Round Timescales for 2013 File 21 December 2012 Indexation Principles for Gas Operating Margins File 21 December 2012 Explanation and Tender Guidance Document File 21 December 2012 Operating Margins Invitation to Tender Letter File 29 February 2012 Operating Margins 2012/13 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 28 February 2011 Operating Margins 2011/12 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 26 February 2010 Operating Margins 2010/11 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 12 May 2009 Tender Information Report File 01 May 2009 Gas Operating Margins Assessment Outcome File 16 April 2009 Invitation to Offer Trade of Partington LNG Gas-in-Store for Rough Storage Gas-in-Store File 16 April 2009 Gas Disposal Tender Invitation Notice GDT 4/09 File 16 April 2009 Gas Disposal Tender GDT 4/09 Invitation to participate in the tender for disposal of Operating Margins gas from the Dynevor Arms, Glenmavis and Partington LNG Storage Facilities File 27 February 2009 Operating Margins 2009/10 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 23 January 2009 2009 Gas Operating Margins Tender - Questions and Answers File 23 December 2008 Operating Margins Gas Storage Agreement File 23 December 2008 Supply Increase/Offtake Reduction Operating Margins Contract Term Summary File 23 December 2008 Tender Pack 4 Operating Margins Multi Year Gas Delivery Tender File pdf 23 December 2008 Tender Pack 3 Operating Margins First Year Gas Delivery Tender File 23 December 2008 Tender Pack 2 Operating Margins Multi Year Capacity Tender File 23 December 2008 Tender Pack 1 Operating Margins First Year Capacity Tender File 23 December 2008 Operating Margins ("OM") - Invitation to Tender File 23 December 2008 Operating Margins Tender January 2009 Explanation and Tender Guidance Document File 28 April 2008 Gas Disposal Tender Outcome GDT4/08 Assessment of Outcome Letter File 14 April 2008 Gas Disposal Tender GDT4/08 - Invitation to Participate File Gas Disposal Tender Bid Notice File 14 April 2008 Gas Disposal Tender Invitation Notice File Gas Disposal Tender Rules File 14 April 2008 Gas Disposal Tender Terms File pdf 14 April 2008 Trade of Dynevor Arms LNG Gas-in-Store for Partington LNG Gas-in-Store File Trade of Avonmouth LNG Gas-in-Store for Partington LNG Gas-in-Store File 29 February 2008 Operating Margins 2008/09 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File Tender Invitation and Bid Notices File 16 April 2007 Gas Procurement Tender GPT4/07 Invitation Letter File 16 April 2007 Gas Procurement Tender GPT4/07 File Tender Invitation and Offer Notices File 28 February 2007 Operating Margins 2007/08 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 File 28 February 2006 Operating Margins 2006/07 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3 Download All Files
File 28 February 2014 Operating Margins 2014/15 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 01 March 2013 Operating Margins 2013/14 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 29 February 2012 Operating Margins 2012/13 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 28 February 2011 Operating Margins 2011/12 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 26 February 2010 Operating Margins 2010/11 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 16 April 2009 Invitation to Offer Trade of Partington LNG Gas-in-Store for Rough Storage Gas-in-Store
File 16 April 2009 Gas Disposal Tender GDT 4/09 Invitation to participate in the tender for disposal of Operating Margins gas from the Dynevor Arms, Glenmavis and Partington LNG Storage Facilities
File 27 February 2009 Operating Margins 2009/10 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 29 February 2008 Operating Margins 2008/09 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 28 February 2007 Operating Margins 2007/08 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3
File 28 February 2006 Operating Margins 2006/07 Published pursuant to National Grid's obligations under the Uniform Network Code Section K Part 2.2.3