The market coupling operations of the Bulgarian bidding zone in SDAC (Multi Regional Coupling) were successfully launched today, the 11th of May 2021 with the first delivery day 12th of May 2021. IBEX, the designated single NEMO in Bulgaria is now included in the market coupling operational processes, along with ESO, the Bulgarian TSO. The successful coupling is the result of the close collaboration between the Bulgarian parties with HEnEx, the designated Greek NEMO and IPTO, the Greek TSO, together with the respective NRAs.
The Bulgarian – Greek market coupling project was launched as a part of the Italian Borders Working Table (IBWT) regional project with the official IBWT SC decision taken on the 1st of March 2020. All the involved parties followed the mutually agreed planning and completed timely and successfully all necessary preparations and testing.
Today, for the first time, day-ahead cross-zonal capacity between Greece and Bulgaria has been implicitly allocated via the Euphemia algorithm. The implemented price coupling allows for the simultaneous calculation of electricity prices and cross-border flows across the region. The efficient use of the power system and cross-border infrastructures, brought about by stronger coordination between energy markets, maximizes social welfare to the benefit of all market participants.
The integration of the Bulgarian bidding zone into SDAC is a further step towards the achievement of the European target model, which is expected to be almost completed this year through the Bulgarian – Romanian market coupling project on the common border and as a previous step, the successful implementation of the Interim Coupling project, allowing the integration of the 4M MC with MRC through their common borders.
SDAC allocates scarce cross-border transmission capacity in the most efficient way by coupling wholesale electricity markets from different regions through a common algorithm, simultaneously taking into account cross-border transmission constraints, thereby maximising social welfare. The aim of SDAC is to create a single pan European cross zonal day-ahead electricity market. An integrated dayahead market increases the overall efficiency of trading by promoting effective competition, increasing liquidity and enabling a more efficient utilisation of generation resources across Europe.
For additional information on SDAC go to:
About Nord Pool
Nord Pool, Europe’s leading power market, delivers efficient, simple and secure trading across Europe. The company offers day-ahead and intraday trading, clearing and settlement to customers regardless of size or location. Today 360 companies from 20 countries trade on Nord Pool’s markets.
Nord Pool operates markets in the Nordic and Baltic regions, Germany, Poland, France, the Netherlands, Belgium, Austria and the UK. Nord Pool is a Nominated Electricity Market Operator (NEMO) in 15 European countries, while also servicing power markets in Croatia and Bulgaria. In 2019 Nord Pool had a total turnover of 494 TWh traded power. The company has offices in Oslo, Stockholm, Helsinki, Tallinn, London and Berlin.
Nord Pool has 25 years of power market experience built on offering flexibility, transparency, innovation, greater choice and participation to our customers.
Oslo, 11 May 2021
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