Agreement on synchronous interconnection

01.06.2019

There are five synchronous electricity areas in Europe: Continental Europe (CE), Nordic, Baltic, British and finally the area of Ireland and Northern Ireland. The CE area with the synchronised transmission grids of 26 countries is not only the largest in Europe, but also one of the largest interconnected power systems worldwide. The synchronisation of the Baltic area with CE is of strategic importance for the European Energy Union, one of the political priorities of the European Commission. Currently, the Baltic system is only asynchronously linked to CE between Lithuania and Poland through the “LitPol Link” and at two points to the Nordic region.

An application for a future synchronisation of the Baltic and CE systems was made by the three Baltic transmission system operators (TSOs) Elering, AST and Litgrid with support from TSCNET shareholder PSE, the Polish TSO. The European Network of Transmission System Operators (ENTSO-E) has now announced the first landmark for the project: An agreement on the conditions for a synchronous interconnection became effective on 27 May 2019. Synchronisation will enable the Baltic TSOs to operate their systems in the future at the same frequency as the CE system and in compliance with EU rules.

An agreement on the conditions for synchronous interconnection of the Baltic and CE energy systems has entered into force (picture of Riga by Aleksejs Bergmanis / Pixabay)

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Polish-Baltic TSO cooperation

02.10.2017

TSC member PSE, the Polish transmission system operator (TSO), has launched a research project together with the TSOs Augstsprieguma tīkls AS (AST) from Latvia, Elering from Estonia, and Litgrid from Lithuania to integrate the Baltic power systems into the operational standards of continental Europe. The project for dynamic studies to identify technical conditions of the Baltic States’ synchronisation with the system of continental Europe got officially started on 29 September 2017 in Konstancin-Jeziorna in the metropolitan area of the Polish capital of Warsaw. During the first project meeting of representatives from the four TSOs and ENTSO-E, the partners agreed on establishing a steering committee and an expert group.

> See PSE press release (html)

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ENTSO-E’s first regional conference in Vilnius

02.06.2016

300 delegates participated in the “Baltic Power Conference” on 1 June in Vilnius, Lithuania. The first regional conference of the European Network of Transmission System Operators for Electricity (ENTSO-E) was co-organised by the transmission system operators (TSOs) of Lithuania (Litgrid), Estonia (Elering) and Latvia (Augstsprieguma tīkls). Among the speakers – mainly high level representatives of TSOs, national authorities and ministries – was also Alexander Wirth, one of TSCNET’s Managing Directors.

The conference focused on possible connections of the Baltic power system to the other parts of Europe and on methods of regional integration. The ideal future vision of the Baltic electricity market resembles a bridge between eastern and western Europe. Moreover, ENTSO-E used the opportunity to present its concept of policy regions, imagined to bundle up political, regulatory, technical and commercial competences. Policy regions would be beneficial for efficient electricity markets. According to Konstantin Staschus, Secretary-General of ENTSO-E, the TSOs and ENTSO-E could “support the policy regions with technical analysis and advice”.

To further improve the role of the TSOs within this concept, Bente Hagem, Chair of the Board of ENTSO-E, considers more cooperation among TSOs themselves as essential. “Developing regional cooperation”, adds Peder Andreasen, President of ENTSO-E, will promote “security of supply, market and renewables integration”.

> See ENTSO-E press release (html)
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