29 May 2025, 15:59
Polskie Sieci Elektroenergetyczne S.A., acting as the operator within the Act of 8 December 2017 on Capacity Market (Journal of Laws of 2025, item 610), commenced consultation process on 29 May 2025 regarding amendments to the Capacity Market Rules arising from Revision Sheet No. RRM/Z/13/2025. Detailed information regarding the consultation process is available at ...
26 March 2025, 09:23
PSE S.A. has published a document titled: “Portal Uczestnika Rynku Mocy User Manual. Certification process for supplementary auction”. The document is available at: https://www.pse.pl/web/pse-eng/areas-of-activity/capacity-market/certification-for-auction
12 March 2025, 15:37
PSE S.A. has published details of the schedule for certification for the supplementary auction for the delivery period from 1 July 2025 to 31 December 2025. Detailed schedule for certification for the supplementary auction for the delivery period from 1 July 2025 to 31 December 2025: Start of certification for the auction – 26 March 2025 Submission of certification applications – until 1 April 2025 (inclusive) Review of...
24 February 2025, 15:15
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 2023, item 2131 as amended, hereinafter referred to as the "Act"), according to Section 5.2.2.3 of the Capacity Market Rules as amended, announces the starting and closing dates and times of the pre-auctions for the supplementary auction for delivery period from 1 July 2025 to 31...
9 February 2025, 13:30
Estonia, Latvia, and Lithuania have successfully synchronised their electricity systems with the Continental Europe Synchronous Area on 9 February 2025 at 13:05 CET. This is a key milestone for the Baltic States and for Europe strengthening the energy resilience and independence across the region. Estonia, Latvia, and Lithuania have successfully synchronised their electricity systems with the Continental Europe Synchronous Area...
3 February 2025, 12:00
nnetion PSE helicopters patrol the route of the LitPol Link, the electricity interconnection between Poland and Lithuania, which will be used for he synchronisation of the power systems of Estonia, Latvia and Lithuania with the system of Continental Europe. LitPol Link has been operational since 2015 and connects the Elk Bis substation in Poland and the Alytus substation in Lithuania. This 400 kV...
8 November 2024, 14:07
According to Section 3.2.1 of the Capacity Market Rules, Polskie Sieci Elektroenergetyczne S.A has published a detailed schedule of certification for additional auctions for each quarter of 2026. Applications for auctions certification can be submitted from November 21 to December 4, 2024, inclusive. Detailed information is available under the " Certification for auction " section.
6 November 2024, 19:31
Polish Transmission System Operator (PSE) informs that it has announced system stress events on capacity market for Wednesday, November 6, 2024, during specified hours. The announcement of system stress events means that all capacity providers with capacity obligations resulting from capacity agreements must fulfill these obligations by delivering the required power to the system during the specified period. Capacity...
13 August 2024, 15:38
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 2023, item 2131, 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 2029 for: the zone, referred to in Article 6(6)(1) of...
22 July 2024, 10:08
Polskie Sieci Elektroenergetyczne S.A. (PSE) together with Slovenská Elektrizačná Prenosová Sústava, a.s. (SEPS), TSOs of Poland and Slovakia, performed on the 14th and 24th of June 2024 restoration tests in Top-Down approach with support from neighboring TSO. The restoration tests aimed to verify the possibility of efficient and quick implementation of procedures for restoring the power supply to the power system after...
15 July 2024, 09:49
PSE and Litgrid, transmission system operators in Poland and Lithuania, respectively, signed an agreement on cooperation on the implementation of Harmony Link interconnector as an overland line. The agreement establishes the general basis of cooperation between PSE and Litgrid for implementing the Harmony Link project. The project involves construction of the new double-circuit 220 kV alternating current (AC) interconnection...
28 June 2024, 09:11
The results of a power flows and dynamic feasibility study confirmed that the Harmony Link onshore AC electricity interconnector between Lithuania and Poland can be a viable technical alternative to offshore HVDC link. The study was carried out by the Institute of Power Engineering, Gdansk Division, Poland, on behalf of the Lithuanian, Polish, Latvian, and Estonian transmission system operators (TSOs). ...
7 May 2024, 15:26
How the process of electricity markets integration should be conducted? This was discussed by participants at a roundtable held on May 6 at the headquarters of Polskie Sieci Elektroenergetyczne in Konstancin-Jeziorna. The discussion was attended by representatives of the Polish and European central administration, including the Agency for Cooperation of Energy Regulators, the Ministry of Climate and Environment,...
11 December 2023, 15:58
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...
13 November 2023, 10:00
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...
17 August 2023, 11:17
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...
19 April 2023, 17:03
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...
30 November 2022, 14:52
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...
14 September 2022, 15:16
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 .
13 September 2022, 18:04
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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