Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 17^th October 2025 starts
the unilateral auction of the transmission capacities on the Polish-Ukrainian interconnection for the reservation period: 01.11.2025 – 30.11.2025.

Due to technical circumstances, in accordance with the announcement published on PSE’s website, the interconnection will temporarily (from November 2025 to July 2027) operate on the Mokre-Dobrotwór line (MKR-DOB).

We inform, that PSE S.A. has published on PSE S.A. website Auction Rules (“Rules for monthly auctions of transmission capacity on 220 kV line Zamość‑Dobrotwór - PSE S.A. and NEK UKRENERGO cross border interconnection, organized unilaterally by PSE S.A. in 2025”).

Therefore today, i.e. 17^th October 2025, starts the process of registration of Auction Participants. Registration Forms can be submitted to the Auction Office not later than 21^st October 2025, until 4 p.m.

Please be also advised that “Announcement of unilateral monthly auction of transmission capacities for
November 2025 (i.e. reservation period beginning on 1^st November 2025 and ending on 30^th November 2025)" was published today i.e. 17^th October 2025 on our website under the bookmark Cross-Border Electricity Exchange – Auction Office – Zamość-Dobrotwór interconnection - Auction announcement.

We also inform that “Results of unilateral monthly auction of transmission capacities at the 220 kV line Zamość‑Dobrotwór (PSE S.A. and NEK UKRENERGO cross border interconnection) for November 2025” will be published on 23^rd October 2025 on our website under the bookmark Cross-Border Electricity Exchange – Auction Office – Zamość-Dobrotwór interconnection - Auction results.

PSE S.A. informs, that other detailed information regarding allocation process of transmission capacities of aforementioned interconnection can be reached at auction.office@pse.pl or by calling +48 22 242 14 05 or +48 22 242 20 05.

Detailed monthly auction schedule for November 2025:

Payment schedule: