Polskie Sieci Elektroenergetyczne S.A., acting as Auction Office, informs that on 12^th November 2025 starts the unilateral auction of the transmission capacities on the Polish-Ukrainian interconnection for the reservation period: 01.12.2025 – 31.12.2025.

Due to technical circumstances, in accordance with the announcement published on PSE’s website, the interconnection is temporarily (from November 2025 to July 2027) operating 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. 12^th November 2025, starts the process of registration of Auction Participants. Registration Forms can be submitted to the Auction Office not later than 18^th November 2025, until 4 p.m.

Please be also advised that “Announcement of unilateral monthly auction of transmission capacities for
December 2025 (i.e. reservation period beginning on 1^st December 2025 and ending on 31^st December 2025)" will be published on 14^th November 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 December 2025” will be published on 20^th November 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 December 2025:

Payment schedule: