| 10 June 2013 Transportation Principal Document (Consolidated, printable version) | 9.26 MB |
| 01 January 2006 TPD Front Cover | 54.27 KB |
| 01 January 2006 TPD Table of Contents | 99.27 KB |
| 29 April 2009 TPD Section A - System Classification | 170.05 KB |
| 10 June 2013 TPD Section B - System Use & Capacity | 1.15 MB |
| 01 January 2013 TPD Section C - Nominations | 156.87 KB |
| 10 June 2013 TPD Section D - Operational Balancing and Trading Arrangements | 239.64 KB |
| 01 January 2013 TPD Section E - Daily Quantities, Imbalances and Reconciliation | 417.52 KB |
| 10 June 2013 TPD Section F - System Clearing, Balancing Charges and Neutrality | 255.05 KB |
| 10 June 2013 TPD Section G - Supply Points | 911.14 KB |
| 01 January 2013 TPD Section H - Demand Estimation and Demand Forecasting | 311.63 KB |
| 01 January 2013 TPD Section I - Entry Requirements | 256.2 KB |
| 01 January 2013 TPD Section J - Exit Requirements | 422.67 KB |
| 01 January 2013 TPD Section K - Operating Margins | 219.49 KB |
| 01 January 2013 TPD Section L - Maintenance and Operational Planning | 167.5 KB |
| 01 May 2013 TPD Section M - Supply Point Metering | 442.48 KB |
| 01 January 2013 TPD Section N - Shrinkage | 142.88 KB |
| 10 June 2013 TPD Section O - System Planning | 126.54 KB |
| 10 June 2013 TPD Section Q - Emergencies | 377.24 KB |
| 10 June 2013 TPD Section R - Storage | 180.39 KB |
| 10 June 2013 TPD Section S - Invoicing and Payment | 307.97 KB |
| 01 January 2013 TPD Section U - UK Link | 373.26 KB |
| 10 June 2013 TPD Section V - General | 681.08 KB |
| 16 April 2013 TPD Section X - Energy Balancing Credit | 270.37 KB |
| 10 June 2013 TPD Section Y - Charging Methodologies | 1.37 MB |
| 01 January 2013 TPD Section Z - National Grid LNG Storage Facilities | 482.98 KB |
