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International Activities

Slovenská elektrizačná prenosová sústava, a. s. (SEPS) in compliance with the company’s mission and vision takes an active part in activities influencing the pan-European and Central-European electricity market. The cooperation of the European transmission system operators (TSOs) is implemented both via institutionalized entities such as ENTSO-E, JAO S.A., TSCNET Services GmbH and others and via implementation projects related to network codes and guidelines. SEPS, a responsible TSO with long-rooted experience, prefers efficiency, long-term sustainability and social responsibility in compliance with the applicable legal regulations.

ENTSO-E

ENTSO-E is European Network of Transmission System Operators for Electricity, founded by TSOs in December 2008 in Brussels based on the Regulation No. 714/2009 of the European Parliament and of the Council on conditions for access to the network for cross-border exchanges of electricity. ENTSO-E is an international association that unites 42 European TSOs from 35 countries. SEPS as a founding member of the ENTSO–E takes an active part in the activities of the working and steering structures of ENTSO-E via its appointed representatives.

The main tasks of ENTSO-E, derived from its legal mandates, are in particular:

  • Development and implementation of standards, network codes, platforms and tools to ensure secure system and market operation;
  • Assessment of the adequacy of the system in different timeframes;
  • Coordination of the planning and development of infrastructures at the European level (Ten-Year Network Development Plans, TYNDPs);
  • Coordination of research, development and innovation activities of TSOs;
  • Development of platforms to enable the transparent sharing of data with market participants.

TSCNET Services GmbH

TSCNET Services GmbH is one of the Europe’s Regional Security Coordinators (RSCs). The company, based in Munich, renders integrated services for power transmission system operators and their control centres to maintain the operational security of the electricity system.

TSCNET develops and provides mandatory services for its customers in accordance with applicable EU legislation, particularly the services of coordinated security analysis, coordinated capacity calculation, outage planning coordination, short- and medium-term adequacy and a common grid model. In addition, TSCNET will together with other RSCs after their transformation into the Regional Coordination Centres, provide additional services in accordance with EU Regulation No. 2019/943 on the internal market for electricity.

The TSCNET’s shareholders and main customers are the following 14 TSOs of 11 European countries: 50Hertz (Germany), Amprion (Germany), APG (Austria), ČEPS (Czechia), ELES (Slovenia), HOPS (Croatia), MAVIR (Hungary), PSE (Poland), SEPS (Slovakia), Swissgrid (Switzerland), TenneT TSO GmbH (Germany), TenneT TSO B.V. (The Netherlands), and TransnetBW (Germany). SEPS became the shareholder in June 2018.

JAO

JAO is a service company whose shareholders are 25 TSOs from 22 European countries, including Slovakia. Its main task is to perform annual, monthly and daily auctions of electricity transmission rights. Since the 1st of October 2018, it has been performing the role of a pan-European platform for capacity allocation - SAP (Single Allocation Platform). In addition, JAO provides administrative and clearing services to TSOs and performs fall-back functions for the European Market Coupling.

REGIONAL ACTIVITIES

4MMC (4M Market Coupling)

It is a project of interconnection of daily markets in the form of implicit allocation of cross-border capacities between the Czech, Slovak, Hungarian and Romanian market areas. In this project, SEPS acts as the operator of the TSO Management Function (mTMF), which is the central system for the respective transmission system operators and at the same time constitutes the interface for communication and data exchange between systems of the Transmission System Operators and Power Exchanges.

DE-AT-PL-4MMC Interim Coupling

The aim of the project is to connect 4MMC and MRC (Multi Regional Coupling) into a pan-European solution through the introduction of an implicit auction based on the calculation of transmission capacities using the net transmission capacity (NTC) method at the bidding zones borders PL-DE, PL-CZ, PL-SK, CZ-DE, CZ-AT and HU-AT. The result will be the integration of 4MMC and MRC into the pan-European Single Day-ahead Coupling - SDAC.

CORE CCR

CORE CCR is a Capacity Calculation Region (CCR) that brings together 16 European TSOs and geographically covers a significant part of Europe. The region was established on the basis of ACER decision No. 06/201 on November 17, 2016. At its level, procedures and methodologies for cross-border trade and operation of interconnected transmission systems are developed, as required by the relevant network codes.

CORE FB MC

It is a Flow-based Market Coupling (FB MC) project, which represents an important step towards the creation of a single electricity market in accordance with Commission Regulation (EU) 2015/1222 establishing a guideline on Capacity Allocation and Congestion Management.

SDAC

Pan-European project of Single Day-ahead Coupling based on the principles of implicit allocation of cross-zonal capacities.

SIDC

Pan-European project of Single Intraday Coupling based on the principles of continuous allocation of cross-zonal capacities.

Project IGCC (International Grid Control Cooperation)

This implementation project aims to create the European platform for the exchange of imbalances in the real time (Imbalance Netting) according to Commission Regulation (EU) 2017/2195 establishing a guideline on electricity balancing.

Project MARI and PICASSO

Both implementation projects aim to create the European platform for the exchange of balancing energy from frequency restoration reserves with manual activation (MARI) or automatic activation (PICASSO) according to Commission Regulation (EU) 2017/2195 establishing a guideline on electricity balancing.

 

OTHER ENTITIES

TSC (TSO Security Cooperation)

TSC (Transmission System Operator Security Cooperation) is a platform for regional cooperation of TSOs in order to improve the security of operation of transmission systems of participating countries. The most important TSC initiative was the establishment of TSCNET Services GmbH, which provides the services as a Regional Security Coordinator.

CIGRE

CIGRE is an international non-profit association for promoting cooperation of experts from all over the world to disseminate knowledge to improve power systems of today and tomorrow. The main objectives of the association are to design and deploy future power systems, optimize existing equipment and power systems, respect environmental requirements, and enable access to information. CIGRE provides technical knowledge through events, permanent technical studies (around 2 500 experts from all over the world collaborate on structured programs), publications and articles.

EURELECTRIC

EURELECTRIC (The Union of the Electricity Industry) is an association of 34 national associations in energy sector formed in 1999. It represents common interests of the European energy sector and its mission is to contribute to the development and competitiveness of the sector and to promote the role of a low-carbon energy mix to the benefit of society.

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