The ORLEN Group has completed comprehensive seabed surveys for its Baltic East offshore wind project, marking a milestone in the development of the company's next offshore wind farm. The preliminary seismic and geotechnical investigations were conducted over nearly four months by a consortium of three Polish companies: ORLEN Petrobaltic, Geofizyka Toruń, and MEWO.

Survey Operations and Technical Details

The seabed surveys began in late June 2025 and lasted more than 15 weeks. During this extensive campaign, a team of qualified researchers, technicians, and operators completed over one thousand kilometers of seismic lines, along with numerous soundings and boreholes across the entire planned wind-farm area. Three specialist vessels operated throughout the Baltic East project site to conduct the comprehensive data acquisition.

Multichannel 2D seismic surveys were conducted by Geofizyka Toruń, focusing on preliminary identification of soil strata and interpretation of potential geohazards, including boulder fields and shallow gas. MEWO conducted UXO surveys to detect potential unexploded ordnance, identifying dozens of magnetic anomalies and assessing seabed clearance from hazardous objects at geotechnical investigation locations.

The final stage of field investigations was completed by ORLEN Petrobaltic using the vessel Sylur. In total, more than 1,200 meters of geotechnical boreholes and soundings were completed, reaching depths of up to 80 meters below the seabed. Laboratory work on the recovered soil samples is currently underway, alongside interpretation of the seismic survey results.

Project Development and Regulatory Status

The data collected during the survey campaign will enable ORLEN Neptun to develop the following key stages of the Baltic East project. The information will allow for accurate modelling of the seabed geology at the project site, preparation of documentation required for design work, and development of an action plan for future geological campaigns.

The Baltic East project already holds several critical permits and approvals. These include preliminary grid connection conditions for the transmission system, a permit to construct or use artificial islands, structures, and devices, and permits to lay and maintain cables within internal sea waters and the territorial sea.

Project Capacity and Strategic Context

Baltic East represents an adjacent project to Baltic Power, with potential for close to 1 GW of installed capacity. This capacity would be sufficient to supply around 1.25 million households. In 2026, the ORLEN Group will be the first to bring Baltic Power online, described as the most advanced offshore wind project in the Polish sector of the Baltic Sea. Baltic Power will add almost 1.2 GW of capacity to Poland's power system, equivalent to around 3% of the national electricity demand.

The ORLEN Group holds four additional licenses to build offshore wind farms in the Baltic Sea. Combined with the existing projects, these licenses provide a total potential of around 6.4 GW of installed offshore wind capacity. These projects support the ORLEN Group's strategy, which envisages 12.8 GW of installed capacity in renewable energy sources by 2035.

Industry Impact and Polish Supply Chain

According to Janusz Bil, President of the Management Board of ORLEN Neptun, the seabed investigations represent one of the key stages in developing the offshore wind farm project. Bil emphasized that the work in the Baltic was carried out by a consortium of three Polish companies, demonstrating the growing readiness of the Polish supply chain to provide high-quality services to the offshore wind energy sector.

The project leadership stressed the importance of involving Polish companies as much as possible in their projects. The offshore surveys were conducted to the highest standards and best practices, while minimizing environmental impact. The UXO surveys conducted prior to the offshore geotechnical campaign represented a key and mandatory step that ensures the safety of personnel, equipment, and infrastructure.

The successful completion of these surveys positions the ORLEN Group to move efficiently into the next stages of project delivery for the Baltic East offshore wind farm, contributing to Poland's renewable energy development and the company's broader strategic objectives in the offshore wind sector.

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