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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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19 October 2021, 10:07

Baltic and Polish TSOs applied for CEF funding for synchronisation investments
Transmission system operators (TSO) from the Baltic States: Litgrid (Lithuania), AST (Latvia), Elering (Estonia) and from Poland (PSE), today submitted a joint application for funding from the Connecting Europe Facility (CEF). Four TSOs request a financial support for the investments of Baltic Synchronisation project Phase 2 part II which are crucial for secure and stable synchronisation of Baltic power systems with the Continental...

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18 October 2021, 10:25

Introductory workshop to Core Flow-Based Market Coupling
In order to prepare market participants for the Core Day Ahead Flow-Based go-live, Core Flow-Based Market Coupling project parties will organise an online workshop on 22 November 2021. This workshop will mainly focus on the basics of flow-based capacity calculation and has the aim to inform market participants that are new to the subject. The webinar will be held on 22 November 2021 ...

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19 August 2021, 16:59

Publication of Guideline on participation in Polish capacity market for foreign capacity providers
PSE S.A. published a document entitled: “Guideline on participation in Polish capacity market for foreign capacity providers”. Document describes the main rules regarding the participation of foreign capacity providers in the Polish capacity market. Within the document, one can find useful information on: accessing the capacity market register, collateral establishment, manner of participation in the pre-auction, ...

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19 August 2021, 16:40

PSE announces pre-auction for main auction for delivery year 2026
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 2020, item 247 as amended, hereinafter referred to as the "Act"), according to point 5.2.2.3 of the Capacity Market Rules, announce: start date and time of the pre-auction for the main auction for...

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27 July 2021, 10:53

PSE became the Energy Market Information Operator
On July 3, 2021 an amendment to the Energy Law Act came into force introducing the Energy Market Information Operator (OIRE). This function will be performed by PSE, Polish transmission system operator, which will implement and then manage the Central Energy Market Information System (CSIRE). CSIRE will collect and process energy market data necessary for the administration of...

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17 June 2021, 15:12

Successful go-live of Interim Coupling – Reaching the SDAC enduring phase
g phase The 4MMC countries’ day-ahead market is now integrated in the Pan-European day-ahead power market. The project parties of the Interim Coupling are pleased to announce the successful go-live of the Interim Coupling solution. On 17 June 2021, for the first time, day-ahead cross-zonal capacity on the 6 new borders (PL-DE, PL-CZ, PL-SK, CZ-DE, CZ-AT, HU-AT) has been implicitly allocated via the...

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15 June 2021, 15:45

Interim Coupling project: Go-live confirmed for 17 June 2021
A further step towards an integrated European electricity market. Following the successful completion of technical readiness, the go-live of the Interim Coupling project is confirmed for 17 June 2021 (first delivery day 18 June 2021). The Interim Coupling project aims to connect the 4M MC (Czech-Slovak-Hungarian-Romanian market coupling) with the Multi-Regional Coupling (MRC) by...

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10 June 2021, 14:36

Announcement on the amendments to the Polish MNA Regulation
PSE informs that pursuant to Article 19.1.1.6 of the Regulation implementing Conditions for cross-zonal capacity allocation and other necessary mechanisms to support operation of more than one NEMO in Poland (MNA Regulation), amends the MNA Regulation by: revision of the main part of the MNA Regulation, revision of the Appendix 2: “Single Day-Ahead Operational Procedures” and Appendix...

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31 May 2021, 14:15

PSE and Litgrid approved the investment decisions for the Harmony Link
PSE and Litgrid, transmission system operators of Poland and Lithuania, both have made the final investment decisions on the implementation phase of the Harmony Link interconnector project, a submarine power cable line between Poland and Lithuania. The investment decisions, in accordance with the signed cooperation agreements, start the implementation phase of the project. In particular, they enable...

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28 May 2021, 14:05

Interim Coupling project member testing confirmed following successful completion of SDAC testing
The Nominated Electricity Market Operators (NEMOs) and Transmission System Operators (TSOs) from Austria, Germany, Poland and the 4M Market Coupling (4M MC) countries, namely the Czech Republic, Hungary, Romania and Slovakia, hereby inform stakeholders about the completion of the SDAC Simulation testing which was organized between 17.-26.05.2021. The aim of this phase was to test the integration of Interim Coupling borders into...

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27 May 2021, 15:31

Starting with 17 June 2021 new operational timings to be applied for daily market coupling process
Over the years, the number of coupled countries and consequently the number of parties and systems involved in the Single Day-Ahead Coupling (SDAC) has increased enormously. As a result, the market coupling process and especially, the calculation process, has become more complex. To secure that there is sufficient time for running the daily market coupling process, the National Regulatory Authorities (NRAs) have approved the...

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20 May 2021, 05:53

Causes of the disruption at Rogowiec substation are subject to investigation. The system is stable
The outage of the Belchatow power plant units, which occurred on May 17, 2021, has not caused any power shortages thus has gone unnoticed by customers. The outage was caused by disruption at the Rogowiec substation, to which 11 generating units of the Belchatow power plant, owned by PGE GiEK, are connected. The incident occurred at 4:34 p.m. CET. The prompt response of PSE staff allowed to restore Rogowiec substation operational capacity within an hour...

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20 May 2021, 05:51

Outage of Belchatow power plant generation units. Power system is stable
On Monday, May 17, 2021, shortly after 4:30 p.m. CET, a disruption occurred at PSE’s Rogowiec substation. As a result of system protection actions, 10 generation units of the Belchatow power plant, owned by PGE GiEK, were automatically switched off leading to a loss of 3640 MW of generation. PSE immediately balanced the system among others by starting up generators at pumped storage power stations,...

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