TAR NC
The purpose of the TAR NC is to harmonise the transmission tariff structures of Member States’ operators and to provide a tool for comparing transmission tariffs applied across the EU, while maintaining flexibility in the selection of the components of the reference price methodology, as appropriate for the maturity of the specific market and the complexity of the transmission network
Information to be published before the tariff period (Article 30 TAR NC and in accordance with Article 19 (1) European Union Regulation 2024/1789)
According to Article 30 of the Commission Regulation (EU) 2017/460 (TAR NC) transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
Office DRG.DRG-2.745.14.2025.JDo1, the Gas Transmission Operator GAZ- SYSTEM is responsible for publishing the information referred to in accordance with Article 19 (1) European Union Regulation 2024/1789.
- Information on the methodology used to set the regulated revenue of the transmission system operator [art. 19(1) Regulation 2024/1789];
- Forecasted contracted capacities and gas flows by balancing area, [Article 30(3) TAR NC];
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
In accordance with Article 29 of the NC Code, prior to the annual auction of yearly capacity products, GAZ-SYSTEM publishes information on reserve prices, multipliers and seasonal factors for short-term products, and on discounts for interruptible products.
In accordance with the decision of the President of the Energy Regulatory Office DRG.DRG-2.7129.5.2018.JDo1 dated 16 July 2018, GAZ-SYSTEM has been appointed as the entity responsible for carrying out periodic consultations pursuant to Article 26 of the TAR NC, under which this document detailing the proposed reference price methodology is published.
The Consultation document and the attachments are available below:
- Consultation document for the Entry-Exit system in the territory of the Republic of Poland in fulfilment of Article 26 of the TAR NC (EU) 2017/460.
- Attachment no.1 to the Consultation document for the Entry-Exit system in the territory of the Republic of Poland in fulfilment of Article 26 of the TAR NC (EU) 2017/460.
- Simplified tariff model for Entry-Exit system in the territory of the Republic of Poland.
Any comments to the reference prices methodology should be sent to the e-mail address: nctar@gaz-system.pl by 1st of November 2025. In order to ensure transparency and efficiency of the consultation process, the Company kindly requests comments to be sent both in Polish and English.
In response to the periodic consultation on the proposed reference price methodology for the PL entry-exit system for years 2027-2031 conducted by GAZ-SYSTEM, in fulfilment of Article 26 of the TAR NC, the following entities replied:
- Energy Traders Europe
- Energy Resources of Ukraine
- Grupa Azoty S.A.
- PGE Polska Grupa Energetyczna S.A.
- PKN ORLEN S.A.
- EUROPOL GAZ S.A.
The responses received referred to the following aspects of the proposed reference price methodology:
- Appreciation GAZ-SYSTEM’s plans to integrate the currently separated systems NTS i SGTP into a single entry-exit system PL.
- Discount on renewable and low-carbon gases resulting from Regulation (EU) 2024/1789.
- Suggestion for consideration the possibility of initiating legislative measures that would allow for the introduction of a discount for transit capacity.
- Suggestion for integration the currently separated points GCP GAZ-SYSTEM/ONTRAS and Mallnow into a single virtual point at entry-exit system PL.
- Discount at entry points from LNG facilities (outside the scope of the Article 26 of TAR NC, the level of discount at entry points LNG facilities is within the scope of the Article 28 of TAR NC i.e. „Consultation on discounts, multipliers and seasonal factors” conducted by ERO).
- Appreciation the concept of maintaining the application only multipliers for short-term products (outside the scope of the Article 26 of TAR NC, the seasonal factors application is within the scope of the Article 28 of TAR NC i.e. „Consultation on discounts, multipliers and seasonal factors” conducted by ERO).
- Functioning of the regulatory accounts.
- Functioning of the inter-transmission system operator compensation mechanism (outside the scope of the Article 26 of TAR NC, inter-transmission system operator compensation mechanism in accordance with art. 10(5) TAR NC, is the subject of parallel consultation conducted by ERO).
- Value of forecast capacity used to indicative reference prices calculation.
- Data presentation.
- Other aspects beyond the provisions of the TAR NC, in particular art. 26 TAR NC, pursuant to which these consultations were conducted.
Please find below the responses received. In order to make the consultation process transparent and to render it more effective the responses are also published in English.
Archive
Publication before tariff period – Tariff no. 18.
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
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Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 17, change no. 1
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
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Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 17
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
Link |
Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 16, change no.1
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
Link |
Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 16
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
Link |
Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 15
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas.
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TAR NC Description |
Link |
Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
Publication before tariff period – Tariff no. 14
According to Article 30 of the Regulation transmission system operators are required to publish information on parameters used in the applied reference price methodology and information on the operator's planned revenues and costs and their allocation no later than thirty days before the respective tariff period.
- Forecasted contracted capacities and gas flows by balancing area, Article 30(3);
- Simplified tariff model for high-methane gas;
- Simplified tariff model for low-methane gas;
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TAR NC Description |
Link |
Further information |
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Article 30 (1)(a) |
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Article 30 (1)(b)(i) |
Article 30 (1)(b)(i) |
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Article 30 (1)(b)(ii) |
Article 30 (1)(b)(ii) |
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Article 30 (1)(b)(iii) |
Article 30 (1)(b)(iii) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(iv,v) |
Article 30 (1)(b)(iv,v) |
Detailed information about the parameters is provided |
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Article 30 (1)(b)(vi) |
Article 30 (1)(b)(vi) |
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Article 30 (1)(b)(vii) |
Article 30 (1)(b)(vii) |
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Article 30 (1)(c) |
Article 30 (1)(c) |
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Article 30 (2)(a) |
Article 30 (2)(a) |
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Article 30 (2)(b) |
Simplified tariff model for high-methane gas E and simplified tariff model for low-methane gas Lw are available at the links. |
In accordance with Article 29 of the Tariff Network Code, prior to the annual auction of yearly capacity products, GAZ-SYSTEM publishes information on reserve prices, multipliers and seasonal factors for short-term products, and on discounts for interruptible products.
- Publication before the annual capacity auction on 1 July 2024.
- Publication before the annual capacity auction on 3 July 2023.
- Publication before the annual capacity auction on 4 July 2022 – updated tariff rates for 2023.
- Publication before the annual capacity auction on 4 July 2022 – updated tariff rates for 2022 applicable as from 22 July 2022.
- Publication before the annual capacity auction on 4 July 2022.
- Publication before the annual capacity auction on 5 July 2021 – updated tariff rates for 2022 applicable as from 22 July 2022.
- Publication before the annual capacity auction on 5 July 2021.
- Publication before the annual capacity auction on 6 July 2020.
- Publication before the annual capacity auction on 1 July 2019.
GAZ-SYSTEM extends the consultation of the methodology for the period 2025-2026
In accordance with ACER's recommendations on the Consultation document for the National Transmission System in fulfilment of Article 26 of the TAR NC (EU) 2017/460 published on 31 August 2023, GAZ-SYSTEM has updated the reference prices calculated on the basis of the CWD methodology which were presented Appendix No. 1 to the Consultation document for the National Transmission System. Change of the reference prices calculated on the basis of the CWD methodology is due to the update of distance between some entry and exit points of the high-methane E gas system.
The Consultation document and the attachments are available below:
Appendix No. 1 to the Consultation document for the National Transmission System Article 26 of the TAR NC (updated on 19 December 2023).
In accordance with ACER's recommendations, GAZ-SYSTEM extended the consultations on the Methodology for determining reference prices for the period 2025-2026 for the National Transmission System.
Any comments to the reference prices methodology should be sent to the e-mail address: nctar@gaz-system.pl by 18 January 2024. In order to ensure transparency and efficiency of the consultation process, the Company kindly requests comments be sent in both Polish and English.
As a part of periodic consultation on the proposed reference price methodology for the National Transmission System for years 2025-2026 conducted by GAZ-SYSTEM, in fulfilment of Article 26 of the TAR NC, none of entities sent comments.
In accordance with the decision of the President of the Energy Regulatory Office DRG.DRG-2.7129.5.2018.JDo1 dated 16 July 2018, GAZ-SYSTEM has been appointed as the entity responsible for carrying out periodic consultations pursuant to Article 26 of the TAR NC, under which this document detailing the proposed reference price methodology is published.
The Consultation document and the attachments are available below:
- Consultation document for the National Transmisson System in fulfilment of Article 26 of the TAR NC (EU) 2017/460
- Attachment no.1 to the Consultation document for the National Transmisson System in fulfilment of Article 26 of the TAR NC (EU) 2017/460
- Simplified tariff model for National Transmission System - high-methane gas (E)
- Simplified tariff model for National Transmission System - low-methane gas (Lw)
Any comments to the reference prices methodology should be sent to the e-mail address: nctar@gaz-system.pl by 31 October 2023. In order to ensure transparency and efficiency of the consultation process, the Company kindly requests comments be sent in both Polish and English.
As a part of periodic consultation on the proposed reference price methodology for the National Transmission System for years 2025-2026 conducted by GAZ-SYSTEM, in fulfilment of Article 26 of the TAR NC, none of entities sent comments.
Consultation of the methodology for the period 2023-2024
In accordance with the decision of the President of the Energy Regulatory Office DRG.DRG-2.7129.5.2018.JDo1 dated 16 July 2018, GAZ-SYSTEM has been appointed as the entity responsible for carrying out periodic consultations pursuant to Article 26 of the TAR NC, under which this document detailing the proposed reference price methodology is published.
The Consultation document and the attachments are available below:
- Consultation document for the National Transmisson System in fulfilment of Article 26 of the TAR NC (EU) 2017/460
- Attachment no.1 to the Consultation document for the National Transmisson System in fulfilment of Article 26 of the TAR NC (EU) 2017/460
- Simplified tariff model for National Transmission System - high-methane gas (E)
- Simplified tariff model for National Transmission System - low-methane gas (Lw)
Any comments to the reference reference prices methodology should be sent to the e-mail address: nctar@gaz-system.pl by 31 October 2021. In order to ensure transparency and efficiency of the consultation process, the Company kindly requests to send comments also in English.
In response to the periodic consultation on the proposed reference price methodology for the National Transmission System for years 2023-2024 conducted by GAZ-SYSTEM, in fulfilment of Article 26 of the TAR NC, the following entities replied:
- European Federation of Energy Traders (EFET),
- Gas Storage Poland sp. z o.o,
- PKN ORLEN S.A.,
- PGNiG SA.
The responses received referred to the following aspects of the proposed reference price methodology:
- Increasing the level of the discounts proposed for connection points with UGS facilities,
- The proposed entry – exit split,
- The application of 100 % discount for Entry points from biogas plants,
- Implementing CWD methodology,
- New non-transmission services ( gas pressure reduction and gas compression),
- The length of the regulatory period in refer to Entry Exit split and stability on tariff rates,
- The level of forecasted capacities being base for the indicative tariff rates calculation,
- Extension of depreciation periods for fixed assets as a way to reduce the increase of the tariff rates resulting from increase of the revenue,
- Lowering the level of the discount applied at the Entry point from LNG Terminal.
Please find below the responses received. In order to make the consultation process transparent and to render it more effective the responses are also published in English.
- European Federation of Energy Traders (EFET)_ENG,
- Gas Storage Poland sp. z o.o ENG,
- PKN ORLEN S.A. PL,
- PGNiG S.A. ENG.
Consultation of the methodology for the period 2020-2022
On 29 March 2019, the President of the ERO approved the reference price methodology for the transmission network of Gas Transmission Operator GAZ-SYSTEM S.A. for the period from 1 January 2020 to 31 December 2022.
Under the aforementioned decision, GAZ-SYSTEM was obliged to:
- carry out the consultations referred to in Article 26(1) of the Tariff Network Code concerning, inter alia, the reference price methodology, including the preparation of a consultation document, its publication and the publication of the responses received within the consultations process and their summary,
- forward the consultation document to ACER (Agency for the Cooperation of Energy Regulators) according to Article 27(1) of the Tariff Network Code.
The obligation was imposed on GAZ-SYSTEM by the decision of the President of the Energy Regulatory Office of 16 July 2018, issued in accordance with the provisions of Commission Regulation (EU) 2017/460 of 16 March 2017 establishing a network code on harmonised transmission tariff structures for gas.
In accordance with the schedule adopted by GAZ-SYSTEM, the consultation process started at the end of August 2018 and was concluded on 31 October 2018. The content of the consultation document and its annexes is available below.
In response to the periodic consultations conducted by GAZ-SYSTEM, as required by Article 26 of the NC TAR, regarding the proposed reference price methodology, responses were received from the following entities:
- Equinor ASA, Norway
- Polskie Górnictwo Naftowe i Gazownictwo S.A.
- Gas Storage Poland sp. z o.o.
The received responses concerned the following aspects related to the tariff calculation methodology proposed by GAZ-SYSTEM:
- The level of proposed discounts for underground gas storage facilities;
- The proposed entry-exit revenue split;
- The possibility of introducing preferential transmission rates at the Polish-Ukrainian border.
Following the publication of the conclusions of the ACER analysis, according to Article 27(4) of the Tariff Network Code, the President of the ERO was required to take and publish, within 5 months from the end of the final consultation, i.e. by 31 March 2019, a motivated decision on the reference price methodology applicable to the GAZ-SYSTEM’s transmission network.
By virtue of the aforementioned decision, GAZ-SYSTEM is obliged to calculate the tariff for 2020 on the basis of the reference price methodology and to submit an application for its approval to the President of the ERO.
Having regard to the time schedule resulting from the deadlines set out in the Tariff Network Code, GAZ-SYSTEM is obliged to publish reserve prices calculated in accordance with the methodology approved by the regulatory authority no later than 30 days before the annual auction of yearly capacity which is held on the first Monday of July.
Documents:
- Consultation document complying with the requirements of Article 26 of the NC TAR
- Attachment no. 1 - Comparison of indicative reference prices for 2020 calculated according to the CWD methodology and the proposed postage stamp method.
- Simplified tariff model – E high-methane gas
- Simplified tariff model – Lw low-methane gas
- ACER Consultation Template
To ensure full transparency and the widest possible reach of the consultation process, the received responses are provided below in both Polish and English language versions.
