| EC 715/2009 | |
| Article 18 (4) | |
| Related Transmission Network Points | Technical Capacities of Entry/Exit Points of Natural Gas Transmission System. |
| Annex Ι | |
| 3.1.2 a) | |
| A detailed and comprehensive description of the different services and their charges | Transmission Services |
| Government Gazette (Β 4801/30.10.2020) 5th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4192/29.06.2023) 6th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4579/17.07.2023) Tariffs for the use of the NNGS. |
| Government Gazette (Β 7076/18.12.2023) Tariffs for the use of the NNGS. |
| 3.1.2 b) | |
| Different forms of contracts available for these services. | Standard Natural Gas Transmission Agreement. |
| 3.1.2 c) 1. | |
| Harmonized transport contracts and other relevant documents. | Documents/Forms. |
| 3.1.2 c) | |
| Network code / standard conditions. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| 3.1.2 c) 2. | |
| Specification of relevant gas quality parameters. | Natural Gas Quality Specification. |
| 3.1.2 c) 3. | |
| Pressure requirements. | Technical Data of NNGTS Stations. |
| Historical Data of Natural Gas Pressure in Entry Points. |
| 3.1.2 c) 4. | |
| Procedure in the event of an interruption of interruptible capacity | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| Government Gazette (Β 4801/30.10.2020) 5th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4192/29.06.2023) 6th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| 3.1.2 d) | |
| Harmonised procedures applied when using the transmission system, including the definition of key terms. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| Government Gazette (Β 4801/30.10.2020) 5th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4192/29.06.2023) 6th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| 3.1.2 e) | |
| Provisions on capacity allocation, congestion management and anti-hoarding and reutilisation procedures. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| 3.1.2 f) | |
| Rules applicable for capacity trade on the secondary market vis-à-vis the transmission system operator. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| Government Gazette (Β 4801/30.10.2020) 5th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4192/29.06.2023) 6th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| 3.1.2 g) | |
| Rules on balancing and methodology for the calculation of imbalance charges. | NNGTS Balancing. |
| Annual Planning for Load Balancing. |
| Daily Prices of Balancing Gas. |
| Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| 3.1.2. h) | |
| Flexibility and tolerance levels included in transportation and with additional charges. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| 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. | Operational System. |
| 3.1.2 j) | |
| Rules applicable for connection to the system. | Government Gazette (Β 37/10.01.2022) National Natural Gas System Administration Code – 7th Revision (Unofficial translation). |
| Government Gazette (Β 5773/04.10.2023) National Natural Gas System Administration Code – 9th Revision |
| Government Gazette (Β 4801/30.10.2020) 5th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| Government Gazette (Β 4192/29.06.2023) 6th Amendment of the Tariff Regulation for the Basic Activities of the National Natural Gas System (NNGS). |
| 3.1.2 k) | |
| Information on emergency mechanisms. | Government Gazette (Β 2501/25.06.2019) Emergency Plan (in accordance with Article 4 of Regulation No 994/2010). |
| 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. | Business Rules - Interconnection Agreement. |
| 3.1.2 m) | |
| Description of the methodology and process used to calculate the technical capacity as well as information on the parameters and the assumptions used to calculate the technical capacity. | Methodology Definition of Technical/Conventional Capacity. |
| 3.3. (4) | |
| Heat rate or Wobbe index values at all relevant points | Historical Data of N.G. Nominations. |
| Historical Data of Natural Gas Deliveries / Off – Takes. |
| Historical Data of Natural Gas Quality |
| 3.3. (5) | |
| Available capacities, reserved capacities and technical capabilities. | Relevant Points and Capacities (Technical/Booked/Available) - 24 Months. |
| Additional Transportation Capacity for Delivery. |
| Technical Capacities of Entry/Exit Points of Natural Gas Transmission System. |
| 3.3. (1) f) | |
| Planned and actual interruptions of interruptible capacity. | Relevant Points and Capacities (Technical/Booked/Available) - 24 Months. |
| 3.3. (1) g) | |
| Planned and unscheduled interruptions to firm services. | NNGTS Maintenance Program. |
| 3.4. (1) | |
| Daily publication and updating of the aggregate quantities offered and conventional capacity in the secondary market. | Secondary Market of Natural Gas Transmission System. |
| 3.4. (2) | |
| Harmonized conditions for capacity trading. | Secondary Market of Natural Gas Transmission System. |
| 3.4. (3) | |
| Balancing services. | NNGTS Balancing. |
| 3.4. (4) | |
| Further flexibility service of TSO; here OFC. | Not Applicable |
| 3.4. (5) | |
| Amount of gas in the transmission system and the forecast. | Pipeline Line Pack Calculation. |
| Historical Data of Natural Gas Deliveries / Off – Takes. |
| 3.4. (6) | |
| User-friendly instruments for calculating tariffs. | Charges Calculator. |
