Construction has officially begun on Baltica 2, Poland's largest offshore wind farm, with the first monopile foundations now successfully installed in the Polish part of the Baltic Sea.

The 1.5 GW project, developed in equal partnership between Danish energy company Ørsted and Poland's largest energy company PGE Polska Grupa Energetyczna, marks a significant step in the country's energy transition and is expected to generate enough electricity to power 2.5 million Polish households once fully operational.

Installation Campaign Underway

The offshore installation work is being carried out by Van Oord (Dutch maritime contracting company), deploying two vessels, the offshore installation vessel Aeolus and heavy-lift vessel Svanen.

Over the course of the campaign, which is scheduled to continue through the fourth quarter of 2026, a total of 111 monopiles will be installed: 107 to serve as foundations for wind turbines and a further four to support offshore substations.

The scale of the components involved underscores the engineering complexity of the project. Each monopile is approximately 100 meters long, with a diameter exceeding 10 meters, and weighs an average of 1,500 tonnes. Designed to withstand harsh marine conditions for up to 30 years, each structure features a unique geometry tailored to its specific seabed location.

Project Specifications and Turbine Selection

Baltica 2 will be located approximately 40 kilometers off the Polish coast near the town of Ustka. Once construction is complete, the wind farm will comprise 107 Siemens Gamesa 14-222 wind turbines, each rated at 14 MW. The turbine installation work will be carried out by Cadeler and Fred. Olsen Windcarrier, while Van Oord handles the foundation work.

The Port of Gdańsk will serve as the logistics hub for the project, providing facilities for the storage, pre-assembly, and offshore installation of wind turbine components.

Full commissioning of the wind farm is expected by the end of 2027, with PGE's CEO noting that the first electricity from the installations is anticipated within a year.

When fully operational, Baltica 2 is projected to generate between five and six terawatt-hours of energy annually, equivalent to the yearly electricity demand of approximately 2.5 million households.

Revenue Framework and Permitting

Baltica 2 operates under a 25-year inflation-protected contract for difference secured with the Polish state. The CfD begins after commissioning of the wind farm, which is expected in 2027.

The nominal starting price per megawatt-hour will be determined based on an agreed 2021 price of USD 84.43, with accumulated inflation added from 2021 until the contract commences.

The price per megawatt-hour will then be adjusted annually in line with inflation. Once the CfD period concludes, Baltica 2 will receive the prevailing market price for electricity or enter into new power purchase agreements.

The project has already secured all necessary permits and has signed a grid connection contract with PSE, the Polish transmission system operator. Ørsted and PGE are jointly responsible for the full scope of the wind farm, including offshore transmission infrastructure and substations.

Statements from Project Leaders

Ørsted CEO Rasmus Errboe framed the milestone within a broader European energy security context.

"We're pleased to mark the start of offshore construction with the first monopile installations on Baltica 2. Poland and Europe need offshore wind to strengthen their energy security. Building a secure, resilient, and sustainable Europe is more important than ever," he said, adding thanks to the Polish government and to partner PGE for their roles in reaching the construction phase.

PGE CEO Dariusz Lubera described the commencement of construction as a breakthrough moment for both his company and the wider Polish energy sector. "It also sends a clear signal to the market that PGE, as a leader, is taking responsibility for the country's energy transition — we're launching the largest renewable energy project in Poland in terms of capacity," he said.

Lubera highlighted that the completed wind farm would strengthen Poland's energy security, provide a stable source of zero-emission energy, and reduce the country's dependence on fossil fuel imports.

Van Oord CEO Govert van Oord noted that the installation work builds on an existing track record with Ørsted, describing Baltica 2 as the sixth project the two companies have worked on together.

"Offshore installation is complex and weather dependent, and our priority is to execute every operation with the utmost care for people and the Baltic Sea environment," he said.

Broader Significance for Poland's Energy Sector

The Baltica 2 project represents the largest renewable energy installation in Poland, measured by generating capacity. The 50/50 ownership structure between Ørsted and PGE positions both companies at the center of what is expected to be a growing offshore wind industry in the Baltic region.

With foundation installation now underway and turbine installation to follow through a separate contractor arrangement, the project is on track to meet its targeted commissioning date before the close of 2027.

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