Source: https://www.nationalgridgas.com/about-us/gas-transparency-requirements
Timestamp: 2019-04-19 14:32:08+00:00

Document:
Here you will find detailed information on our gas transmissions network and services according to legal requirements from Chapter 3 of Annex I of Regulation (EC) No 715/2009 as well as EU TAR NC publication requirements.
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).
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. 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.
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.
3.3.1 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.
'Auction Type' = Long Term Summary.
'Report Type' = Summary Report).
then 'Publication Type' = Long Term Summary.
'Report Type' = Summary Report.
'Auction Type' = Long Term Summary. 'Report Type' = Summary Report).
Firm Exit = Exit Capacity Publications, then 'Publication Type' = Long Term Summary. 'Report Type' = Summary Report.
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).
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).
3.4.2 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.
3.4.5 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.
Art. 29 (a) Information for standard capacity products for firm capacity (reserve prices, multipliers, seasonal factors, etc.) Gas transmission system charges The indicative notices under the attached link contain relevant information for capacity products.
Art. 30 (1)(a) Information on parameters used in the applied reference price methodology related to the technical characteristics of the transmission system. 0621 - Amendments to Gas Transmission Charging Regime Being developed under UNC Modification 0621.
Art. 30 (1)(b)(i) Information on the allowed and/or target revenue. Gas transmission system charges The statement of Gas Transmission Transportation Charges contains information on allowed/target revenue.
Art. 30 (1)(b)(ii) Information related to changes in the revenue. Gas transmission system charges The statement of Gas Transmission Transportation Charges contains information on changes in allowed revenue and charges.
Art. 30 (1)(b)(iii) Information related to the following Parameters: types of assets, cost of capital, capital and operational expenditures, incentive mechanisms and efficiency targets, inflation indices. To be updated Link to be available as soon as the information is moved onto the new website.
Art. 30 (1)(b)(iv,v) Information on the transmission services revenue including capacity-commodity split, entry-exit split and intrasystem/cross-system split. UNC Section Y UNC Section Y contains the revenue information including the Commodity/Capacity split and the Entry and Exit split.
Art. 30 (1)(b)(vi) Information related to the previous tariff period regarding the reconciliation of the regulatory account. Gas transmission system charges The long-term revenue forecast file includes the previous actuals compared to forecast which highlights the over/under recovery value.
Art. 30 (1)(b)(vii) Information on the intended use of the auction premium. To be updated Link to be available as soon as the information is moved onto the new website.
Art. 30 (2)(a) Information on transmission tariff changes and trends. Gas transmission system charges The notice of NTS Transportation Charges explains and highlights the changes in tariff from previous charge setting period.
Art. 30 (2)(b) Information about the used tariff model and an explanation how to calculate the transmission tariffs applicable for the prevailing tariff period. Gas transmission system charges The link gives information on how to use the Transportation model. It also gives information on how shippers can request and a copy of the Transportation model.

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