NTS Transmission Network Code
![Transmission infrastructure](/dam/jcr:2dbaee80-38f4-4c1e-a69c-516ff21c0e40/iriesp-glowna.jpg)
The Transmission Network Code (TNC) is a set of regulations established in accordance with Article 9g of the Energy Law, specifying in particular:
- rights and obligations of GAZ-SYSTEM and the System User,
- the conditions for offering the available transmission system capacity,
- the conditions for the provision of gaseous fuel transmission services,
- the processes necessary for the safe and efficient performance of gaseous fuel transmission services,
- the scope of cooperation of GAZ-SYSTEM with ISO (Interoperating System Operator), OPR (Billing Point Operator) and Customers.
On 5 January 2021, by decision No. DRR.WRG.4322.4.2020.IWa, the President of the Energy Regulatory Office approved the Transmission Network Code concerning the Polish transmission system owned by Gas Transmission Operator GAZ-SYSTEM S.A. and set its effective date for 1 February 2021 at 6.00 a.m.
- Decision of the President of the ERO DRR.WRG.4322.4.2020.IWa (PL)
- IRIESP 28 (PL)
- IRIESP 28 searchable version
- IRIESP 28 searchable version - consolidated text
On 15 December 2022, the President of ERO issued a Decision amending the Transmission Network Code (TNC). The amendment includes additional rules governing the provision of a gaseous fuel pressure reduction service and is effective from 1 January 2023, 06:00 a.m.
- Decision of the President of ERO of 15 December 2022 Nr DRR.WRG.4322.1.1.2022.Iwa (PL)
- The content of the amendment to the TNC.
On 13 April 2023, the President of ERO issued a Decision amending the Transmission Network Code (TNC). The amendment includes additional rules governing the provision of a gaseous fuel compression service and is effective from 1 Mai 2023, 06:00 a.m.
- Decision of the President of ERO of 13 April 2023 DRR.WRG.4322.1.1.2022.IWa (PL)
- The content of the amendment to the TNC
On 29th November 2023, the President of the Energy Regulatory Office issued a decision to amend the Transmission Network Code (TNC).
The amendment consists in approving the essential provisions of the contract for the provision of gaseous fuel transmission services, constituting Appendix no. 1 to the TNC.
The effective date of Appendix no. 1 to TNC is 1st April 2024 from 06:00 a.m.
Appendix no. 1 to the TNC – The essential provisions of the contract for the provision of gaseous fuel transmission services – does not impose any new obligations on the system users. It contains only a set of the essential provisions resulting from the TNC, the transmission contract, the General Terms and Conditions or the Tariff.
TNC version 27 (remained in force until 01.04.2020)
- Decision of the President of the ERO, DRR.WRG.4322.1.2019.AK1 (PL)
- TNC version 27 (PL)
- TNC version 27 (searchable version)
- Decision of the President of the ERO No. DRR.WRG.4322.1.2018.AK1 (PL)
- TNC version 26 (PL)
- TNC version 26 – searchable version
- Decision of the President of the ERO No. DRR.WRG.7129.9.2017.AK1 together with Revision Sheet No. 1/2017/025
- Decision of the President of the ERO No. DRR-43222(18)/2015/2016/AN/MP (PL)
- TNC version 25 (text before amendment No. 1)
- TNC version 25 searchable (consolidated text after amendment No. 1)
- Decision of the President of the ERO No. DRR-4322-1(4)/2014/AN (PL)
- TNC version 24 (PL)
- TNC version 24 searchable
- Decision of the President of the ERO No. DRR-4322-5(9)/2013/JBu (PL)
- TNC version 23
- TNC version 23 searchable
- Decision of the President of the ERO No. DPK-4323-88(8)/2012/2013/AŚK approving Revision Sheet No. 1/2012 0018 (PL)
- TNC version 18.1
- Revision Sheet No. 1/2012 0018 for the Transmission Network Code (TNC)
- Decision of the President of the ERO dated 24 July 2012 approving the TNC (PL)
- Decision of the President of the ERO No. DPK-4322-16(2)/2012/AŚK setting the effective date for the provisions of points 1-22 TNC for 1 January 2013 (PL)
- TNC version 18
- Decision of the President of the ERO No. DPK-7111-3(8)/2011/12 approving the Revision Sheet for TNC version 15 (PL)
- Revision Sheet for the TNC version 15 approved by the President of the ERO
- Decision of the President of the ERO No. DPK-7111-3(6)/2011/KK approving Part I and II of the TNC (PL)
- Part I- General conditions for using the transmission system
- Part II – Balancing and congestion management
- Part I - General conditions for using the transmission system (effective from 15.12.2009 until 30.09.2011)
- Part II - Balancing and System Congestion Management (effective from 01.09.2008 until 30.09.2011)
- Part I - General conditions for using the transmission system (effective from 01.09.2008 until 14.12.2009)
- Part II - Balancing and System Congestion Management (effective from 01.05.2008 until 31.08.2008) (PL)
- Part I - General conditions for using the transmission system (effective from 01.08.2006 until 31.08.2008)
- Part II - Balancing and System Congestion Management (effective from 01.08.2006 until 30.04.2008)
- Decision DPK-7111-6(1)/2008/MS changing the effective date of Part II of the Network Code (PL)
- Decision DPK-7111-10(1)/2008/MS approving changes to Part II of the TNC and their effective date (PL)
- Decision DPK-7111-17(2)/2009/MK changing the effective date of Part II of the TNC (PL)