The companies' joint 720-MW Baltyk II and 720-MW Baltyk III offshore wind farm projects were due to start operation on November 30, 2025, PSE added in a statement.

Separately, Ocean Winds said its projected 399 MW offshore wind farm would start feeding power to the Polish grid at the end of May 2027. Ocean Wind is a joint venture of Portugal's EDPR and France's ENGIE.