Dutch Offshore Contractors (DOC) commenced an intensive loading campaign at Hellenic Cables' Corinth/Soussaki plant in Greece and completed the first transport tranche in early April 2026. The heavy-lift carrier FJORD (IMO 8636740) loaded approximately 200 kilometres of 220 kV HVAC submarine export cable using an advanced dual-spooling operation across three carousels of 9,000 tonnes each, for a total loaded weight of 19,500 tonnes. FJORD departed Vlissingen (Netherlands) on 1 April 2026 bound for Poland, where cables will be offloaded directly onto Jan De Nul's cable-laying vessel Isaac Newton for offshore installation. The shipment forms part of the four 220 kV HVAC export cable package (256 km combined) supplied under the October 2023 consortium contract between Jan De Nul and Hellenic Cables for the connection of Bałtyk 2 and Bałtyk 3 offshore wind farms to shore, developed by the Equinor–Polenergia joint venture. Cable manufacturing is performed at Hellenic Cables' subsidiary Fulgor's Corinth plant. The 2026 offshore construction campaign includes installation of monopiles, offshore substations, and the export and inter-array cable system, with more than 20 specialised vessels engaged.
In the first quarter of 2026, the first phase of offshore site preparation for the Bałtyk 2 offshore wind farm (developed together with Bałtyk 3) was completed, consisting of a subsea rock installation campaign that began in January 2026. Using multiple specialised vessels, over one million tonnes of material were placed on the seabed at the Baltic Sea construction site to protect export and inter-array cables and turbine foundations from waves and currents.
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Bałtyk 2 is one of two sister Phase‑I offshore wind farms being developed in a 50:50 joint venture by Equinor and Polenergia off the Polish coast. Located in the Polish exclusive economic zone off Łeba/Ustka, the project forms part of the Bałtyk cluster and represents a material early tranche of ...
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MFW Bałtyk II przyłącze, MFW Bałtyk II ECI, Bałtyk II external connection infrastructure, MFW Bałtyk II, Baltyk 2, Baltyk II, Bałtyk II, Bałtyk 2, Morska Farma Wiatrowa Bałtyk II
Iemants, a subsidiary of Smulders, was identified as responsible for the design and construction of the two offshore substations serving the Bałtyk 2 and Bałtyk 3 offshore wind farms. The substations will collect power from the Siemens Gamesa turbines and transform it for export to the onshore grid.
Offshore construction for the Bałtyk 2 offshore wind farm, developed jointly with Bałtyk 3 by Equinor and Polenergia in the Polish Exclusive Economic Zone near Ustka and Łeba, commenced in January 2026. The first phase of the 2026 offshore campaign began with mobilisation of more than 20 vessels and subsea rock installation to prepare for the installation of 100 monopiles, transition pieces, offshore substation components, and subsea cables.
In January 2026, installation of a protective rock layer (Subsea Rock Installation, SRI) began in the Baltic Sea for the Bałtyk 2 and 3 offshore wind farms, with material placed on designated seabed areas to protect monopile foundations from currents and waves and to prepare the routes for subsea export cables. The campaign, executed by specialised Van Oord vessels, will place over one million tonnes of rock (around 400,000 m³) on the seabed as part of offshore site preparation for the transmission infrastructure.
In 2025, Equinor and Polenergia completed the first pilot horizontal directional drilling (HDD) boreholes in the landfall area approximately three kilometres west of the port of Ustka, preparing the export cable exit point to shore for the Bałtyk 2 and Bałtyk 3 grid connections, including the Bałtyk 2 Export system.
In 2025, Equinor and Polenergia’s Bałtyk 2 and Bałtyk 3 offshore wind projects entered the construction phase, with onshore grid connection works for the shared export system progressing significantly. Construction of the two onshore substations in the Pęplino area advanced in both structural and installation works, and works on the approximately 14‑kilometre onshore cable route from the landfall near Ustka to the Pęplino substations and onward towards the PSE Słupsk–Wierzbięcino substation reached around 70% completion, marking the effective start of onshore construction for the Bałtyk 2 export connection infrastructure.
During 2025, offshore preparation works for the Bałtyk 2 and Bałtyk 3 export cable routes were carried out, including UXO (unexploded ordnance) surveys and seabed preparatory activities such as boulder relocation. These works, involving 18 vessels, prepared the subsea corridors in the Polish Baltic Sea for subsequent installation of the export cables that will connect the Bałtyk 2 wind farm to shore.
During 2025, Equinor and Polenergia signed a series of contracts supporting construction of the Bałtyk 2 and 3 projects, including agreements for seabed surveys and clearance of subsea cable routes with boulder removal, securing service providers for preparatory works along the offshore export cable corridors that form part of the Baltyk 2 Export grid connection.
By late 2025, manufacturing and delivery of several grid-related components for the Bałtyk 2 and 3 projects had progressed, with Tele-Fonika Kable’s Bydgoszcz plant supplying cables for the onshore section of the export connection, Hitachi Energy’s Łódź facility producing autotransformers for the onshore substations, and ongoing fabrication and outfitting of offshore substation topsides and associated electrical equipment, all contributing to the Baltyk 2 Export transmission infrastructure.
In October 2025, significant manufacturing milestones were achieved for the offshore transmission infrastructure of the Bałtyk 2 and 3 projects, including preparation of the main topside of one of the two offshore substations and completion of fabrication and assembly of its jacket support structure, alongside initial production completion and vertical placement of the first transition pieces. These works were carried out in parallel at supplier facilities in Poland, Belgium, the Netherlands and the United Kingdom.
On 23 May 2025, Equinor and Polenergia reached financial close for Bałtyk 2, securing a project finance package of over EUR 3 billion for the project as part of approximately EUR 7.2 billion of combined financing for Bałtyk 2 and 3, with about 80% gearing. Around 30 Polish and international financial institutions, including BGK, the European Investment Bank and the Nordic Investment Bank, are providing long-tenor debt to fund construction and related costs through to full commercial operation in 2028.
By 23 May 2025, onshore construction for the Bałtyk 2 offshore wind farm (developed with Bałtyk 3 by Equinor and Polenergia) was already underway, including civil works for the onshore substations near Pęplino and the underground export cable corridor linking the common landfall west of Ustka to the existing PSE Słupsk Wierzbięcino 400 kV grid substation.
On 20 May 2025, the European Investment Bank signed financing totalling EUR 1.003 billion for the BALTYK II & BALTYK III OFFSHORE project, providing long-tenor loans under the InvestEU framework to support development, construction and operation of the two 720 MW offshore wind farms off the Ustka–Łeba coast. The EIB financing, signed in several tranches in May and November 2025, forms a key part of the overall project finance structure alongside other commercial and public lenders.
Hellenic Cables was contracted to deliver the export cables for the Bałtyk 2 and Bałtyk 3 offshore wind farms, which will connect the projects from the offshore sites to the onshore grid via the PSE Słupsk Wierzbięcino substation. The export cable scope forms part of the wider transmission infrastructure enabling the 1.44 GW of combined capacity to feed into Poland’s national power system.
DeepOcean was contracted to carry out geophysical seabed surveys for the export and inter-array cable corridors of the Bałtyk 2 offshore wind farm, with survey campaigns scheduled to start in early 2025 using the vessel Edda Flora and a dedicated survey ROV.
As part of a subsea survey contract for Bałtyk 2, DeepOcean and subcontractor Mewo planned to begin early‑2025 campaigns to map the seabed for potential unexploded ordnance (UXO), using the vessel Amber Cecilia for UXO survey activities along the export and inter-array cable routes.
As part of preparing the Livelihood Restoration Plan for the Bałtyk 2 and Bałtyk 3 offshore wind farms, the project team led stakeholder outreach and consultation with potentially affected fishers in March 2025, including direct engagement with stakeholders from 11–14 March 2025 and the distribution of a structured questionnaire that yielded 116 anonymous responses from commercial and recreational vessel owners, captains and crew. The consultation aimed to assess dependence on fishing income, identify skills and willingness to transition to offshore wind–related jobs, and understand potential vulnerabilities among those affected by the projects.
In 2025, offshore cable routes for the Bałtyk 2 and Bałtyk 3 projects underwent UXO (unexploded ordnance) surveys alongside preparatory works such as boulder relocation, marking the commencement of UXO investigation activities along the planned offshore cable corridors.
On 17 September 2024, project developers Equinor and Polenergia signed a contract with Dutch contractor Visser & Smit Hanab for horizontal directional drilling (HDD) works in the landfall area for the Bałtyk 2 and Bałtyk 3 projects, covering four HDD bores and installation of four cable ducts to bring the export cables and power onshore.
Poland notified the European Commission in June 2024 of individual State aid measures for the MFW Bałtyk II and MFW Bałtyk III offshore wind farms under its offshore wind CfD support scheme, initiating the EU State aid approval process for operating aid to these projects.
Sif Holding NV signed final contracts with the Equinor–Polenergia joint venture to supply 100 monopile foundations for the Bałtyk 2 and Bałtyk 3 offshore wind projects in the Polish Exclusive Economic Zone. Manufacturing of the monopiles is scheduled to start in the second quarter of 2025 and finish in the first quarter of 2026, ahead of wind farm commissioning planned for 2027–2028.
By 25 October 2023, Equinor and Polenergia had signed agreements with a consortium of Jan De Nul Group and Hellenic Cables to design, manufacture, supply, transport, install, and bury four 220 kV HVAC offshore export cables connecting the Bałtyk II and Bałtyk III wind farms to shore, covering the Baltyk 2 Export transmission system as part of a combined 256‑kilometre export cable package.
Equinor and Polenergia completed seabed surveys for the Bałtyk II and Bałtyk III offshore wind farm projects in the Polish Baltic Sea, providing geophysical data to support further development of the sites and associated infrastructure.
Equinor and Polenergia selected Hitachi Energy to deliver the electrical systems infrastructure for the Bałtyk 2 and Bałtyk 3 offshore wind farms, including electrical system design from the turbines to the grid connection at the Słupsk-Wierzbięcino substation. Under the awarded contract, Hitachi Energy will supply the overall power control system, telecom network, all high-voltage equipment at the offshore and onshore substations, and provide turnkey delivery of the entire onshore substation and grid interface works.
On 4 April 2022, Equinor and Polenergia launched procurement for offshore cable suppliers for the MFW Bałtyk II and III projects, issuing a call for companies to provide offshore cables, which includes the export cable systems forming the Baltyk 2 Export grid connection.
In May 2021, Bałtyk 2 secured its main revenue support when Poland’s Energy Regulatory Office awarded the MFW Bałtyk II and III projects 25‑year two-sided Contracts for Difference (CfDs), providing inflation-indexed price stabilisation at around EUR 71/MWh (2021 prices), corresponding to a strike price of about PLN 319.6/MWh for Bałtyk 2. The CfD regime underpins project bankability by guaranteeing a top-up when wholesale prices are below the strike price and payback when they are above it.
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