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 29(2a) of the Act of 8 December 2017 on Capacity Market (i.e. Journal of Laws of 2025, item 610 as amended)