3.1.2 a) | A detailed and comprehensive description of the different services and their charges | The 'Uniform Network Code' is published on the Joint Office of Transporters website. The statement of Gas Transmission Transportation Charges can be found here. |
3.1.2 b) | Different types of transportation contracts available for these services | High-level capacity information can also be found on our website. There is also Uniform Network Code - section B. |
3.1.2 c) | Do you publish the network code and/or the standard conditions outlining the rights and responsibilities | The 'Uniform Network Code' is published on the Joint Office of Transporters website. |
3.1.2 c) 1 | Harmonised transportation contracts and other relevant documents | The 'Uniform Network Code' is published on the Joint Office of Transporters website. |
3.1.2 c) 2 | Specification of relevant gas quality parameters | The 10 year statement (Appendix A5.3.2. Network Entry Quality Specifications). European transparency information can be found on this page. |
3.1.2 c) 3 | Pressure requirements | The 10 year statement (Appendix A5.3.2. Network Entry Quality Specifications). |
3.1.2 c) 4 | Procedure in the event of an interruption of interruptible capacity | Uniform Network Code Section B2.9
Further information on entry capacity scaleback can be found here. |
3.1.2 d) | Harmonized procedures applied when using the transmission system, including the definition of key terms | The 'Uniform Network Code' is published on the Joint Office of Transporters website. |
3.1.2 e) | Provisions on capacity allocation, congestion management and anti-hoarding and reutilisation procedures | Uniform Network Code (section B) |
3.1.2 f) | Rules applicable for capacity trade on the secondary market vis-à-vis the transmission system operator | Uniform Network Code (section B) |
3.1.2 g) | Rules on balancing and methodology for the calculation of imbalance charges | Uniform Network Code (section D, E & F) |
3.1.2. h) | Flexibility and tolerance levels included in transportation and with additional charges | Uniform Network Code (section E). Tolerance is set to zero and no additional flexibility services are available. |
3.1.2 i) | Detailed description of the gas system of TSO and its relevant points of interconnection / names of the operators of the interconnected systems or facilities | Information about the gas industry. |
3.1.2 j) | Rules applicable for connection to the system | There is also the Statement of Gas Transmission Transportation Charges, which can be found here, and the Uniform Network Code - published on the Joint Office of Gas Transporters website. |
3.1.2 k) | Information on emergency mechanisms | Further information on Gas Deficit Warnings (GDW) and Margins Notice (MN) on our website. Further information can be found in the Uniform Network Code – Section Q. |
3.1.2 l) | Procedures agreed at interconnection points (if relevant) relating to interoperability of the network, agreed procedures on nomination and matching procedures and other agreed procedures that set out provisions in relation to gas flow allocations and balancing | Uniform Network Code - published on the Joint Office of Gas Transporters website. For nominations and matching see Section C, for provisions in relation to allocations and balancing see sections D, E & F. |
3.1.2 m) | Description of the methodology and process used to calculate the technical capacity | Determination of the technical capacity of the National Transmission System |
3.3.1 a) | the technical capacity for flows in both directions; Entry & Exit | Entry = Entry Capacity Auction Publication, 'Auction Type' = Long Term Summary. 'Report Type' = Summary Report).
Exit = Exit Capacity Publications, then 'Auction Type' = Long Term Summary. 'Report Type' = Summary Report. |
3.3.1 b) | the total contracted firm and interruptible capacity in both directions; Entry & Exit | Entry = Entry Capacity Auction Publication,
'Auction Type' = Long Term Summary.
'Report Type' = Summary Report).
Exit = Exit Capacity Publications,
then 'Publication Type' = Long Term Summary.
'Report Type' = Summary Report. |
3.3.1 c) | the nominations and re-nominations in both directions; | Nominations report. Operational Data -> Report Explorer (Energy Daily Reports -> Pre Day / Within Day -> Nominations Report |
3.3.1 d) | the available firm and interruptible capacity in both directions;
Firm: Entry & Exit
Interruptible: Entry & Exit | Firm Entry = Entry Capacity Auction Publication,
'Auction Type' = Long Term Summary. 'Report Type' = Summary Report).
Firm Exit = Exit Capacity Publications, then 'Publication Type' = Long Term Summary. 'Report Type' = Summary Report.
Entry Interruptible: Entry Capacity>System Entry Points>Within Day>'Entry Capacity, Site Name, Daily Interruptible Available.'
Exit Interruptible Exit Capacity > Exit Capacity Availability > Daily Off-Peak Available > Site Type > |
3.3.1 e) | actual physical flows; | Entry: Supplies>Daily Actuals>Energy>'System Entry Energy, Site Name, D+1' (Also M+15 - Closed Out)
Exit: Demand>Exit Point Actuals>Site Type>Energy>'NTS Energy Offtaken, Site Name, Site Type.' |
3.3.1 f) | Planned and actual interruptions | Planned Entry/Exit: EU Harmonisation Of Maintenance Publications at Interconnection Points (Strictly speaking there is no planned interruption of capacity in advance of the gas day in the GB regime).
Actual Entry: Entry Capacity >ICF >site name entry, ICF
Actual Exit: Exit Capacity > Exit Capacity Constraint>Booked Off-Peak Capacity
Actual Exit: Exit Capacity > Exit Capacity Constraint >Capacity scaled back by
Actual Exit: Exit Capacity > Exit Capacity Constraint > Scaleback/Restoration Factor |
3.3.1 g) | Planned and unscheduled interruptions, interruptions of firm services, | NG do not have unplanned interruptions to firm service. Firm service is only interrupted on an 'unplanned' basis as part of a Network Emergency situation |
3.3.1 h) | occurrence of unsuccessful, legally valid requests for firm capacity products with a duration of one month or longer including the number and volume of the unsuccessful requests | Covered by new CMP uploads from 1st October |
3.3.1 i) | in the case of auctions, where and when firm capacity products with a duration of one month or longer have cleared at prices higher than the reserve price | Covered by new CMP uploads from 1st October |
3.3.1 j) | where and when no firm capacity product with a duration of one month or longer has been offered in the regular allocation process | Covered by new CMP uploads from 1st October |
3.3.1 k) | total capacity made available through the application of the congestion-management procedures laid down in points 2.2.2, 2.2.3, 2.2.4 and 2.2.5 per applied congestion-management procedure | Covered by new CMP uploads from 1st October |
3.3.4 | gross calorific values or the Wobbe index | Exit: Energy Daily Reports>After Day > Calorific Value Report
Energy Daily Reports>After Day > Actual Offtake Point
Entry: Energy Daily Reports>After Day >NTS Commercial Entry End Of Day (NTSEOD)
Energy Daily Reports>After Day >NTS Physical Entry End Of Day (NTSEOD) |
3.3.5 | available capacities, booked and technical capacities, on an annual basis over all years where capacity is contracted plus 1 year, and at least for the next 10 years. Reflecting the period for which capacity is offered to the market Entry & Exit | Entry: 'The Long Term Entry Capacity Summary Report.
(Operational Data -> Entry Capacity Auction Publication. Auction Type = Long Term Summary. Report Type = Summary Report).
Exit: The Long Term Exit Capacity Summary Report.
(Operational Data -> Exit Capacity Publications. Publication Type = Long Term Summary. Report Type = Summary Report). |
3.4.1 | the aggregated amounts of capacities offered, and contracted on the secondary market (i.e. sold from one network user to another network user) | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 a) | interconnection point where the capacity is sold, entry & exit | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 b) | type of capacity, i.e. entry, exit, firm, interruptible; | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 c) | quantity and duration of the capacity usage rights; entry & exit | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 d) | type of sale, e.g. transfer or assignment; entry & exit | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 e) | the total number of trades/transfers; | Entry Capacity Daily Reports>Entry Capacity Trading Report (NORD03) and Exit Capacity Daily Reports (After Day) |
3.4.1 f) | any other conditions known to the transmission system operator as mentioned in 3.3. | N/A |
3.4.2 | Do you publish the following specifications regarding harmonised conditions under which capacity transactions (e.g. transfers and assignments) will be accepted | Uniform Network Code |
3.4.2 a) | a description of standardised products which can be sold on the secondary market; | High-level capacity information. Further information can also be found in the Uniform Network Code (section B). |
3.4.2 b) | lead time for the implementation/acceptation/registration of secondary trades. In case of delays the reasons have to be published; | High-level capacity information. Further information can also be found in the Uniform Network Code (section B). |
3.4.2 c) | the notification to the transmission system operator by the seller or the third party as referred to under 3.4(1) about name of seller and buyer and capacity specifications as outlined in 3.4(1). | High-level capacity information. |
3.4.3 | Balancing services | All users information is published in "Gemini".
Users receive their individual preliminary information at D+2 and final information at M+15.
No shipper specific information is published on our website. |
3.4.4 | Further flexibility service of TSO | We do not offer such services |
3.4.5 | Amount of gas in the transmission system at the start and end of each day and the forecast amount of gas for the end of each gas day | Opening linepack/closing linepack is published on Prevailing View
Hourly forecasts of Closing Linepack is published each hour (PCLP) |
3.4.5 Continued | the aggregate imbalance position of all users at the start of each balancing period and the forecast | Daily Balance Reports shows Shippers Aggregate Entry Flows & Shippers Aggregate Exit Flows.
Report Explorer -> Energy Daily Reports -> Pre Day/Within Day -> System Nomination Balance (NB05) |
3.4.6 | User-friendly instruments for calculating tariffs | Transportation Charging Calculator |