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11 December 2023, 15:58

PSE took part in the Baltic Sea Leaders meeting
Polish transmission system operator PSE took part in the Baltic Sea Leaders (BSL) meeting, which took place on December 8th in Stockholm. Participants discussed, among other issues, the adequacy situation in the region and grid development plans. BSL meetings take place on a regular basis and supports cooperation between TSOs in the Baltic Sea region. The Baltic Sea region has...

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13 November 2023, 10:00

Litgrid and PSE are considering an alternative for the new Polish-Lithuanian interconnection
Lithuanian and Polish electricity transmission system operators Litgrid and PSE are considering various alternatives for the planned new electricity interconnection between Lithuania and Poland. Due to a significant increase in costs and overbooked DC cable and converter station production slots, the procurements for the planned Harmony Link HVDC interconnection were terminated in April 2023. Immediately after this...

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17 August 2023, 11:17

PSE announces pre-auction for the main auction for delivery year 2028 and pre-auctions for the additional auctions for individual quarters of delivery year 2025
Polskie Sieci Elektroenergetyczne S.A. with its registered office in Konstancin-Jeziorna, acting as the operator within the Act of 8 December 2017 on Capacity Market (i.e. Journal of Laws of 2021, item 1854 as amended, hereinafter referred to as the "Act"), according to Section 5.2.2.3 of the Capacity Market Rules, announces the starting and closing dates and times of the pre-auctions for the: Main auction for delivery year 2028 for: the zone, referred to in Article...

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19 April 2023, 17:03

TSO information on the test session of the SDAC decoupling training session with MPs planned for May 11, 2023 - UPDATE
PSE S.A. reminds that under the Single Day-Ahead Markets Coupling (SDAC) the date of annual tests of the SDAC Decoupling training session with Market Participants has been set. The purpose of the planned tests is to create for all parties involved, the possibility of confirming that they are properly prepared to handle the above-mentioned Decoupling training. Below is a link to the updated JAO announcement: SDAC Decoupling training session...

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30 November 2022, 14:52

SIDC - Successful fourth wave go-live
Single Intraday Coupling (SIDC) parties confirm the successful fourth wave go-live integrating Greece and Slovakia, which joined SIDC on 29 November. Intraday trading now extended across 25 countries coupled through SIDC. read more...

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14 September 2022, 15:16

TSO information on the SDAC Decoupling training session with MPs planned for October 13, 2022
PSE S.A. informs that within the framework of the Single Day-Ahead Markets Coupling (SDAC) the date of annual tests of the SDAC Decoupling training session with Market Participants has been set. The purpose of the planned tests is to create for all involved parties, the possibility of confirming that they are properly prepared to handle the above-mentioned Decoupling training. A full announcement is attached .

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13 September 2022, 18:04

4th Wave Go-Live SIDC Pre-Launch Event
Nominated Electricity Market Operators (NEMOs) and Transmission System Operators (TSOs) from 4th Wave go-live countries have arranged this pre-launch event to provide a comprehensive and informative opportunity to learn more about the SIDC (formerly XBID) solution and arrangements for the 4th Wave. The pre-launch event is free of charge and will be held as a web...

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17 August 2022, 15:22

PSE announces pre-auctions for the main auction for delivery year 2027
Polskie Sieci Elektroenergetyczne S.A. with its registered office in Konstancin-Jeziorna, acting as the operator within the Act of 8 December 2017 on Capacity Market (i.e. Journal of Laws of 2021, item 1854, hereinafter referred to as the "Act"), according to Section 5.2.2.3 of the Capacity Market Rules, announces: start date and time of the pre-auction for the main auction for delivery...

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8 June 2022, 17:29

Launch of Flow-Based Market Coupling in the Core region enhances energy transition
Flow-Based Market Coupling mechanism optimises day-ahead European electricity market for 13 countries. Today, the 16 Transmission System Operators (TSOs) of the Core Capacity Calculation Region (Core CCR), together with 10 Nominated Electricity Market Operators (NEMOs), introduced the Core Flow-Based Day-ahead Market Coupling. Having a harmonized capacity calculation methodology in place in the Core CCR makes the...

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7 June 2022, 11:55

Transmission system operators from Estonia, Latvia, Lithuania, and Poland signed the agreements in the framework of CEF program for the synchronization Phase 2 part II projects
AST, Elering, Litgrid and PSE, the electricity transmission system operators (TSOs) of the Baltic countries and Poland, signed the grant agreement with the European Climate, Infrastructure and Environment Executive Agency (CINEA) for EUR 170 million of EU support which will help to finance the planned investments under the project Phase 2 part II of the Baltic Synchronisation. The grant agreements assume the financial contributions of the following amounts: Polish PSE – EUR 75 million, Latvian...

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1 June 2022, 11:47

First Market Coupling Consultative Group meeting
We would like to invite you to the first Market Coupling Consultative Group meeting, where NEMOs, TSOs and market participants can discuss and share views on the ongoing works related to the design, development, implementation, and operation of SDAC and SIDC. A Q&A session is planned after each topic, where you can ask related questions from the experts. read more...

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31 May 2022, 14:43

The Core Flow-Based Market Coupling project finished all main deliverables in preparation of the go-live on 8 June 2022
With great pleasure the Core Flow-Based Market Coupling project parties announce that the project finished all main deliverables and initiated the final preparations towards the go live of the Core Flow-Based Market Coupling on 08/06/2022, first trading day for delivery on 09/06/2022. The design and procedures are now fully tested, and all required contracts are concluded as well. Project parties are confident to provide a robust and stable system. ...

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30 May 2022, 14:57

Cybersecurity Conference for the Energy Sector 2022
PSE is hosting the 3rd edition of the Cybersecurity Conference for the Energy Sector (CC4ES). The conference will take place on June 21-23, 2022 at the Holiday Inn Warszawa Józefów Hotel. Some of the activities will also be available online. The objective of the conference is to present research results, best practices, and current trends in ensuring cybersecurity and preventing...

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11 May 2022, 16:37

The Market Coupling Steering Committee (MCSC) initiated an in-depth investigation of the partial decoupling on the 10 of May
The Market Coupling Steering Committee (MCSC) initiated an in-depth investigation of the partial decoupling on the 10 of May During the market coupling process on 10 May a technical issue was experienced that led to a partial decoupling. Country/Bidding zone decoupled from a market point of view from SDAC: Slovakia. Order book decoupled from the SDAC process: OKTE. The following interconnectors were decoupled from SDAC: CZ-SK, SK-HU,...

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25 April 2022, 12:53

Core Flow-Based Market Coupling Project Go Live set for 08 June 2022
As communicated earlier, the planned go-live of 20 April 2022 for Core Flow Based Day Ahead Market Coupling was not supported by some Core TSOs and NEMOs. Read more...

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8 April 2022, 15:34

Postponement of the Core Flow-Based Market Coupling project Go Live
Core project parties concluded that the Core go-live planned for 20 April 2022 must be postponed as a go-live on this date could not be supported by some Core project parties. Market Coupling processes are prepared and Core joint project parties are technically ready in the preparation of their local and central systems and expect to finish remaining activities (last required tests and bilateral...

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27 January 2022, 14:53

EU endorsed a support for the second phase projects of the Baltic States synchronisation
On Wednesday, January 26, the coordinating committee of the key EU fund for infrastructure Connecting Europe Facility (CEF) evaluated in its final selection process and approved the proposal submitted by the Baltic and Polish transmission system operators, granting EUR 170 million financial assistance to a range of projects as part of the synchronisation of the Baltic States with the Continental European Synchronous Area (CESA). ...

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8 December 2021, 10:31

Lithuanians and Poles carried out an emergency support test on the Polish-Lithuanian electricity interconnection
Last Saturday, 4 December, Litgrid and PSE, the operators of the Lithuanian and Polish electricity transmission systems, carried out the emergency support test on the Polish-Lithuanian interconnection. The test was aimed at verification of Lithuanian system restoration and black-start capabilities using the interconnection together with newly installed autotransformers in Alytus substation. The emergency support test simulated a situation...

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6 December 2021, 14:07

Polish system operation on December 6, 2021
Due to low wind generation as well as unavailability of a number of thermal power plants due to forced outages and planned maintenance on 6 December 2021, difficulties in balancing the Polish power system were identified. Inadequacy concerned the inability to meet the required level of operational generation reserves. Considering that the shortage of operational reserves was...

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5 November 2021, 14:45

PICASSO-MARI Stakeholder Workshop
MARI and PICASSO projects in collaboration with ENTSO-E are organising a public online workshop on 2 December 2021. The workshop which will cover: General information and recap of platform design, including pricing; Preparation of Go-live, including Accession Roadmap, Transparency and Reporting. MARI and PICASSO are the TSOs’ projects for establishing...

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