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Extension of Single Day-Ahead Coupling to Bulgaria planned for May

Following the implementation of the Italian Borders Working Table (IBWT) project with the Multi-Regional Coupling (MRC) in February 2015, the launch of coupling operations of the Bulgarian bidding zone in the IBWT regional framework is the next step towards the achievement of the single day-ahead European electricity market.

The market is expected to reach its completion this year with the connection of the 4M Market Coupling (MC) borders with the Multi Regional Coupling (MRC) through the Interim Coupling project and finally through the Bulgarian – Romanian market coupling project on the common border.

The Bulgaria – Greece Market Coupling Project, was launched as a part of the IBWT regional project with the official IBWT SC decision on 1 March 2020. All the involved parties followed the mutually agreed planning and completed successfully all the preparations for the testing, which will take place between 16 March and 30 April 2021. The project testing phase will also include member tests at the end of April, for which additional communication will be distributed.

For the Bulgarian nominated electricity market operator (NEMO), Transmission System Operator (TSO), local generators, consumers and traders, this project represents the first-ever possibility in the day-ahead time frame to join the EU common market and to benefit from the possibilities that the electricity markets integration and the EU target model are offering. 

The aim of the Single Day-ahead Coupling (SDAC) is to create a single pan European cross zonal day-ahead electricity market. An integrated day-ahead market will increase the overall efficiency of trading by promoting effective competition, increasing liquidity and enabling more efficient utilisation of the generation resources across Europe.

The expected Go-live for the extension of the SDAC (MRC) to the Bulgaria-Greece border, is scheduled for 11 May 2021.

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