TSO Announcements

10 September 2026, 13:47

Announcement by Polskie Sieci Elektroenergetyczne S.A. regarding approval by the President of the Energy Regulatory Office of the amendments to the Capacity Market Rules arising from the Revision Sheet No. RRM/Z/16/2026

DECISION OF THE PRESIDENT OF THE ENERGY REGULATORY OFFICE The President of the Energy Regulatory Office (hereinafter referred to as the “President of the ERO”), by decision ref. no.: DRR.WAR.770.26.5.2026.PRa dated 9 September 2026, approved the amendments to the Capacity Market Rules (hereinafter referred to as the “Rules”) specified in the Revision Sheet No. RRM/Z/16/2026. The decision of the President of the ERO and the Revision Sheet No. RRM/Z/16/2026 have been published on the website of PSE S.A., at: https://www.pse.pl/karta-aktualizacji-nr-rrm/z/16/2026...

10 September 2026, 10:15

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for October 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 10 th September 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.10.2026 – 31.10.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border interconnection,...

9 September 2026, 09:04

Results of the pre-auction for the supplementary auction for each quarter of 2027

The results are available at https://www.pse.pl/web/pse-eng/areas-of-activity/capacity-market/pre-auction . Legal basis: [1] Article 9(9) of the Act of 8 December 2017 on Capacity Market (i.e. Journal of Laws of 2025, item 610 as amended)

8 September 2026, 10:22

Preliminary results of the supplementary auctions for the 2027 delivery year

The preliminary results are available at: https://www.pse.pl/web/pse-eng/supplementary-auctions/2027 . Capacity agreements shall be concluded under a suspensive condition until the final auction results are announced by the President of the Energy Regulatory Office. Legal basis: Article 38(1) and 39(3) of the Act of 8 December 2017 on Capacity Market (i.e. Journal of Laws of 2025, item 610 as amended)

19 August 2026, 12:49

Detailed schedule of the supplementary auction for the 2027 delivery year

We publish a schedule that includes, i.a. the rounds start and end time, along with price ranges. More information is available in the tab: „ Supplementary auction for 2027” Legal basis: section 9.1.4. of the capacity market rules

18 August 2026, 13:39

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for September 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 18 th August 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.09.2026 – 30.09.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border interconnection,...

6 August 2026, 13:36

Announcement by Polskie Sieci Elektroenergetyczne S.A. regarding the amendments to the Capacity Market Rules arising from the Revision Sheet No. RRM/Z/16/2026

PUBLIC CONSULTATION CLOSED The public consultation on the proposed changes to the Capacity Market Rules under Revision Sheet No. RRM/Z/16/2026 ended on 28 July 2026. REMARKS REVIEWED PSE has reviewed all submitted remarks. Details are available in the following document: Report on the public consultation process for the draft of Revision Sheet No. RRM/Z/16/2026 to the Capacity Market Rules After the public consultation, the following documents were prepared: Revision Sheet...

6 August 2026, 09:22

Capacity Market system stress events announcement

Polskie Sieci Elektroenergetyczne S.A. announce the capacity market system stress events on 06.08.2026 r. from 17:00 - 18:00, 18:00 - 19:00, 19:00 - 20:00, 20:00 - 21:00, 21:00 - 22:00 . The values allowing capacity providers to calculate the adjusted capacity obligation have been published on websites: https://purm.pse.pl/ or ...

4 August 2026, 09:21

Capacity Market system stress events announcement

Polskie Sieci Elektroenergetyczne S.A. announce the capacity market system stress events on 04.08.2026 r. from 17:00 to 18:00 and from 18:00 to 19:00. The values allowing capacity providers to calculate the adjusted capacity obligation have been published on websites: https://purm.pse.pl/ or https://www.pse.pl/web/pse-eng/areas-of-activity/capacity-market/system-stress-events . Legal basis: ...

17 July 2026, 11:37

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for August 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 17 th July 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.08.2026 – 31.08.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border interconnection,...

14 July 2026, 12:35

Draft of Revision Sheet No. RRM/Z/16/2026 to the Capacity Market Rules

Announcement by Polskie Sieci Elektroenergetyczne S.A. regarding the consultation process on amendments to the Capacity Market Rules arising from the draft of Revision Sheet No. RRM/Z/16/2026 What we are changing ? Provisions regarding certificate validity. We are clarifying the deadlines related to the substitution of a planned demand side response unit for units with agreements concluded as a result of...

30 June 2026, 13:02

Capacity Market system stress event announcement

Polskie Sieci Elektroenergetyczne S.A. announce the capacity market system stress event on 30.06.2026 from 21:00 to 22:00. The values allowing capacity providers to calculate the adjusted capacity obligation have been published on websites: https://purm.pse.pl/ or https://www.pse.pl/rynek-mocy-okresy-przywolania . Legal basis: Article 57(9) of the Act of 8 December 2017 on the...

30 June 2026, 11:14

Capacity Market system stress events announcement

Polskie Sieci Elektroenergetyczne S.A. announce the capacity market system stress events on 30.06.2026 r. from 18:00 to 19:00, from 19:00 to 20:00, from 20:00 to 21:00. The values allowing capacity providers to calculate the adjusted capacity obligation have been published on websites: https://purm.pse.pl/ or https://www.pse.pl/rynek-mocy-okresy-przywolania . Legal...

12 June 2026, 12:28

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for July 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 12 th June 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.07.2026 – 31.07.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border interconnection,...

10 June 2026, 09:33

Schedule of certification for the supplementary auction for the delivery year 2027

We publish the certification schedule for the supplementary auction for the delivery year 2027. Applications may be submitted from 29 June to 10 July 2026, inclusive. The detailed schedule is available in the “ Schedule ” tab Legal basis : Section 3.2.1 of the Capacity Market Rules

1 June 2026, 14:47

Date of pre-auction for the supplementary auction for the delivery year 2027

Polskie Sieci Elektroenergetyczne S.A announces that the pre-auction for the supplementary auction for delivery period from 1 January 2027 to 31 December 2027 for Sweden will take place on 18 June 2026, from 06:00 to 17:59 (UTC+01:00). The announced pre-auctions concern the eligibility of physical cross-border units located in the Kingdom of Sweden to participate in the supplementary auction for the delivery period from 1...

15 May 2026, 15:12

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for June 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 15 th May 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.06.2026 – 30.06.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border interconnection,...

8 May 2026, 14:03

PSE S.A. informs that under the Single Day-Ahead Market Coupling (SDAC) the date of the SDAC Decoupling training session with Market Participants has been set on 3.06.2026

The purpose of the planned tests is to create for all parties involved, the opportunity to validate that they are properly prepared to handle the day-ahead market decoupling major incident in real operation and real-life conditions. Attention: Only Market Participants whose Market Operators have a WIRE test environment connected to the PSE test environment will be allowed to submit nominations during tests without additional configuration. If you would like to participate in the training session, please contact your...

30 April 2026, 14:12

Date of the supplementary auction for the delivery year 2027

The supplementary auction for the delivery period from 1 January 2027 to 31 December 2027 will take place on 3 September 2026. We will publish the detailed schedule of the capacity auction no later than 14 days before it begins. The framework schedule of capacity market processes is available at: https://www.pse.pl/web/pse-eng/areas-of-activity/capacity-market/schedule Legal basis: Article...

15 April 2026, 09:28

Announcement of PSE S.A. on unilateral monthly auction of the transmission capacities on the Polish-Ukrainian radial interconnection for May 2026

Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 15 th April 2026 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian radial interconnection for the reservation period: 01.05.2026 – 31.05.2026. We inform, that PSE S.A. has published on PSE S.A. website Auction Rules ( “Rules for monthly auctions of transmission capacity on the Polish-Ukrainian radial interconnection - PSE S.A. and NEK UKRENERGO cross border...

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