News

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...

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...

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...

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...

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,...

14 May 2021, 14:34

DE-AT-PL-4MMC Member Tests

The aim of the Member Tests is to simulate production-like conditions to allow market participants to experience new market coupling procedures/processes and timings which will apply as of go-live of the DE-AT-PL-4MMC Coupling Project (also referred to as Interim Coupling or ICP), including Fallback procedures. During the Member Tests testing environments...

16 April 2021, 12:01

Details of the SDAC webinar on the implementation of the DE-AT-PL-4M MC (Interim Coupling) Project

The DE-AT-PL-4M MC project, aims to connect the borders of 4M MC with the Multi-Regional Coupling (MRC) by introducing Net Transmission Capacity based (NTC-based) implicit capacity allocation on six borders (PL-DE, PL-CZ, PL-SK, CZ-DE, CZ-AT, HU-AT). The launch of the project is targeted for 10 June 2021. It will mark the transition to a single coupled auction for the day-ahead market across the countries covered by MRC and 4M...

19 March 2021, 14:43

Baltic Sea TSOs met to discuss regional energy sector developments

On 18th March 2021, a remote meeting between the Baltic Sea region transmission system operators (TSOs) was held to address issues of mutual interest as well as to exchange views on ongoing energy projects in the field. Key topics of the meeting were: status updates on general questions such as national electricity systems developments; information regarding more regional questions –...

18 March 2021, 11:54

Updated test planning of the DE-AT-PL-4M MC (Interim Coupling) Project

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 slight update of the test planning of the project. Project parties have successfully finished the first phase of joint regional testing (Full...

8 March 2021, 17:44

Review of the study entitled.: „technical requirements for substation equipment for power evacuation from offshore wind farms”

Due to the development of the document entitled: „technical requirements for substation equipment for power evacuation from offshore wind farms”, by PSE S.A., we would like to ask all interested parties to submit comments on this study. The aforementioned document specifies detailed technical requirements, set by PSE S.A., for HV equipment (offshore & onshore) installed in OWF power transfer systems. Participation in the review process should be...

26 February 2021, 12:12

Continental Europe Synchronous Area Separation on 8 January 2021

ACER and national regulators join ENTSO-E’s Expert Panel investigating the electricity system separation of the Continental Europe synchronous area on 8 January 2021. The Expert Panel will identify the causes and make recommendations in a Final Report. The Interim Report was published on February the 26th. Full press release is available here . The Interim Report is available on the ...

10 February 2021, 10:25

Successful Go-Live of Polish Multi-NEMO day-ahead market coupling

On February 9, 2021, day-ahead auctions run by multiple Nominated Energy Market Operators (NEMOs) were successfully launched in Poland, the so-called Multi-NEMO Arrangements (MNA) go-live. The aim of Single Day-Ahead Coupling (SDAC) is to create a single pan-European day-ahead electricity market. An integrated market boosts overall trading efficiency by promoting effective competition, increasing...

2 February 2021, 09:46

Successful start of the joint regional testing of the DE-AT-PL-4M MC (Interim Coupling) Project

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 successful start of the joint regional testing phase of the project on 25th January 2021. In this first phase of testing (Full Integration Testing - FIT) the project...

29 January 2021, 10:30

Polish Multi-NEMO Day-Ahead Market Coupling - Go-Live Date Revised

The Multi-NEMO Arrangement (MNA) project in Poland has entered its final stage. The last testing phase has been completed successfully by the Transmission System Operator (TSO) and Nominated Electricity Market Operators (NEMOs) involved, but project parties are still working on completing their operational setup between each other. As a result, the project is announcing a revised go-live date from...

26 January 2021, 08:03

System separation in the Continental Europe Synchronous Area on 8 January 2021 – second update

update On 8 January 2021 at 14:05 CET the synchronous area of Continental Europe was separated into two parts due to outages of several transmission network elements in a very short time. ENTSO-E has published the first information on the event already on 8 January 2021, followed by an update with geographical view and time sequence on 15 January 2021. Since then, ENTSO-E has analysed a large portion of relevant data aiming to reconstruct the event in...

25 January 2021, 10:35

Review of the study entitled.: „Guideline of technical requirements for offshore transformer substation”

Due to the development of the document entitled: "Guideline of technical requirements for offshore transformer substation" by PSE S.A., we would like to ask all interested parties to submit any comments on this study. The aforementioned document specifies detailed technical requirements set by PSE S.A. for offshore transformer substations (platforms). Participation in the review process should be reported to the following...

15 January 2021, 17:44

System separation in the Continental Europe Synchronous Area on 8 January 2021 – update

update On 8 January 2021 at 14:05 CET the synchronous area of Continental Europe was separated into two separated areas due to outages of several transmission network elements in a very short time. The route where the two areas were separated is the following: Figure 1 - Map of Continental Europe showing the two seperated areas during the system event on 8 January 2021 At approximately 14:05 CET, the...

7 January 2021, 14:05

Polish Multi-NEMO Day Ahead Market Coupling Go-Live 2nd February 2021

The Transmission System Operator (TSO) and Nominated Electricity Market Operators (NEMOs) involved in the implementation of the Multi-NEMO Arrangement (MNA) project in Poland confirm the project’s go-live date to be 2 February 2021. The go-live of the Polish MNA is subject to successful completion of the simulation tests to validate operational readiness. At this advanced stage of the project, the...

14 December 2020, 09:35

TSO’s of Baltic Countries and Poland Signed the Grant Agreement for the Second Phase of Synchronisation

PSE, AST, Elering, AST, Litgrid, the electricity transmission system operators (TSOs) of the Baltic countries and Poland, signed the grant agreement today with the Innovation and Networks Executive Agency (INEA) for the funding of the second phase of the Baltic synchronisation project. € 719.7 million, provided from the Connecting Europe Facility (CEF), will ensure the smooth implementation of infrastructure projects, allowing Estonia, Latvia and Lithuania to...

8 December 2020, 10:06

Electricity system and market 2030 - presentation

How should the electricity market change to support the balancing of the system resources? What is the limit for the RES integration in the system? Answers to these and other questions about the future of the Polish power system can be found in the presentation of Eryk Klossowski, CEO of PSE. The presentation was given on the 7th of December 2020 during the "Energy...

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