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  • Synchronization of power systems of Ukraine and Moldova with ENTSO-E is attainable without additional measures — results of studies

    Synchronous interconnection of power systems of Ukraine and Moldova with ENTSO-E is attainable and does not require additional measures. This is stated in the steady-state stability study of Ukraine’s power system, which was conducted by the Consortium of ENTSO-E transmission system operators in preparation for the integration of Ukraine’s power system into the continental European network, scheduled for 2023.

    This was announced by the Chairman of NPC Ukrenergo Management Board Volodymyr Kudrytskyi at the Forum Integration of Ukraine into ENTSO-E: On the Verge of Energy Independence.

    The event took place on 11 October on the eve of the EU–Ukraine summit with the participation of Denys Shmyhal, Prime Minister of Ukraine, Kadri Simson, European Commissioner for Energy, Olha Stefanishina, Deputy Prime Minister for European and Euro-Atlantic Integration of Ukraine, Herman Halushchenko, Minister of Energy of Ukraine, Joachim Vanzetta, ENTSO-E Chair of the Board, Valerii Tarasiuk, Chairman of the National Energy and Utilities Regulatory Commission of Ukraine, Andrii Herus, Chairman of the Verkhovna Rada Committee on Energy, Housing and Utility Services, Janez Kopač, Director of the Energy Community Secretariat, MPs of Ukraine, representatives of embassies, international financial organizations, European system operators, and other guests.

    “As of today, NPC Ukrenergo has essentially received the final version of the report on the steady-state and dynamic stability studies of the power systems of Ukraine, Moldova and the ENTSO-E continental Europe energy network. Regarding the steady-state study, the opinion is unequivocal – the Ukrainian power system requires no additional measures to synchronize with the European system. Regarding the dynamic stability study – only one of many scenarios showed certain technical problems that can be resolved by a simple set of technical measures. It is about a reconfiguration of power control systems at thermal and hydroelectric power plants. Such measure will require no new construction in the grid and is accomplishable in a few months. It will also not necessitate any significant investments or financial resources. In fact, for us, this is a very optimistic preliminary result of the studies, which is yet to be officially approved by ENTSO-E,” said Volodymyr Kudrytskyi, Chairman of the Management Board of NPC Ukrenergo.

    Official presentation of the ENTSO-E Consortium’s study results on the possibility of synchronous operation of the Ukrainian and European power systems is scheduled for November 2021.

    Kadri Simson, European Commissioner for Energy assured that Ukraine had the support of the Energy Union in the process of its integration into ENTSO-E. “The European Commission expresses its support to the process of Ukraine’s integration into ENTSO-E and welcomes closer cooperation because our common ultimate goal is full synchronization of power systems, which is mutually beneficial,” said Kadri Simson.

    Denys Shmyhal, Prime Minister of Ukraine noted that joining ENTSO-E is the energy visa-free regime that opens up new opportunities for our country and brings us closer to Europe. “Disconnecting the Ukrainian power system from the RF power system will terminate the latter’s strategic influence on the electricity sector not only in Ukraine but also in European countries,” he said. In addition, the Prime Minister stressed that the synchronization of the IPS of Ukraine with ENTSO-E would improve its resilience, overall technological level and security of electricity supply.

    Joachim Vanzetta, ENTSO-E Chair of the Board, noted that “all TSOs of ENTSO-E, especially those from Continental Europe, are enthusiastic to make this synchronisation happen and to make history be enlarging and strengthening one of the largest synchronous electricity systems in the world.” Mr. Vanzetta emphasized that the main principles of ENTSO-E were security of supply, coordination among system operators and energy transition. Ukraine’s interconnection with ENTSO-E must comply with these principles, while in the future, it will enhance security of electricity supply and ensure more sustainable development in the sector.

    It is to be recalled that now Ukraine’s power system operates synchronously with the power systems of Russia and Belarus. At the same time, Ukraine has already fulfilled the main technological measures stipulated in the Agreement on the conditions for the future interconnection of Ukraine’s power system with the ENTSO-E continental European power system.

    The next step towards synchronizing the power systems of Ukraine and Moldova with ENTSO-E will be testing their operation in isolation from Russia and Belarus, which will last for several days in winter and summer 2022.

    Following the successful isolated operation in 2022, Ukraine’s power system will be tested in parallel operation with ENTSO-E. Final synchronization is scheduled for 2023.

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