Over 200-Ton HDPE Pipes Delivered to Poland for Baltic Offshore Wind Projects

Four massive HDPE pipes—each 1.5 km long and weighing over 200 tons—have been successfully transported by sea from Norway to Poland to support the offshore wind projects Bałtyk 2 and Bałtyk 3, developed jointly by Equinor and Polenergia. The pipes were brought ashore near the coastal town of Mrzeżyno and will house export cables transmitting power generated offshore to the onshore grid.

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17 june 2025   |   18:32   |   Source: Gazeta Morska   |   Prepared by: Kamil Kusier   |   Print

fot. Polenergia

The complex maritime transport operation began near Stathelle, Norway, where a primary tugboat towed two pipes at a time across the Baltic Sea. The final phase, involving beach landing, posed significant logistical challenges. It required three auxiliary tugboats for nearshore stabilization, three cranes operating from the beach to pull the pipes ashore, and coordinated safety and support teams from WOPR (Water Volunteer Rescue Service) both on land and at sea. These teams ensured controlled access, structural protection of the pipes, and environmental safety throughout the 3-day operation.

The entire logistics chain demanded close coordination between marine and onshore operational teams. From the outset, safety and environmental protection have been top priorities. Once onshore, the pipe ends were sealed, weighted, and stabilized with big bags and ballast. The area is continuously monitored by technical crews and security personnel.

The pipes will soon be relocated to the landfall zone, the designated starting point for horizontal directional drilling (HDD). This trenchless method enables the installation of power export cables beneath the shoreline without disturbing the environment.

The Bałtyk 2 and Bałtyk 3 offshore wind farms will have a combined capacity of 1.44 GW—enough to power over 2 million Polish households with clean, renewable energy. First power is expected in 2027, with commercial operations commencing in 2028.

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