Steel foundations for the Baltica 2 project developed by Ørsted and PGE rolled off the factory floor

The first batch of monopiles – steel foundations for the Baltica 2 project, developed by Ørsted and PGE – rolled off the factory floor.

A total of 111 monopiles (107 for turbines and 4 for offshore substations) are planned for the Baltica 2 project, with diameters between 7.5 and 10.5 meters and wall thicknesses of 60-112 mm, depending on the requirements of the target foundation location. The manufacturing process includes plate rolling, circumferential and longitudinal welding, a full suite of non-destructive testing (NDT), and the application of multi-layer anti-corrosion coatings. The completion of the first batch opens preparations for marine transport and acceptance of subsequent sections. In parallel, quality inspections and coating works are underway. The monopiles for the Baltica 2 project will be supplied by two companies: EEW and Steelwind. EEW will provide the project with 77 monopiles and the first load-out of completed foundations onto a transport vessel is planned for the end of 2025. 

The bulk of the secondary steel structures for Baltica 2’s foundations are being produced in Poland, with supplies provided by Baltic Industry Group (Grupa Przemysłowa Baltic) and Smulders. Initial works, such as seabed clearance and infrastructure setup in the Baltic Sea, are already in progress. The next stage will involve installing the foundations for 107 wind turbines — each rising 250 meters — along with four offshore transformer stations. Alongside offshore preparations, onshore construction is also progressing. In the Choczewo commune, work is underway on the grid connection infrastructure, including an onshore substation and HDD drilling to link offshore and onshore cable sections.

Baltica 2, a joint venture between PGE and Ørsted, will be the largest offshore wind farm in Poland’s Baltic waters. Scheduled for commissioning in 2027, it will provide up to 1.5 GW of capacity, delivering renewable electricity to approximately 2.5 million households.