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Shore-side electricity for the Port of Vuosaari

The Port of Helsinki continues to invest in shore-side electricity systems, and has now taken a further step towards its carbon neutrality target. The Port of Vuosaari introduced in early 2024 a new shore-side electricity system for ROPAX vessels. Liner vessels visit the Port of Vuosaari daily, and stay in port for longer periods. Emissions during port stays are reduced by 50 to 80 per cent as the vessels can use shore-side electricity, turning off their diesel-powered generators.  Comatec carried out the preliminary design of the shore-side electricity system, as well as the electrical design, project management and site supervision.

Starting point and goals

  • The goal was to create a new shore-side electricity system for Finnlines ROPAX vessels in the Port of Vuosaari.
  • Port of Helsinki project is partly EU-funded
  • Comatec’s services have been at various stages of the project: project management, electrical planning, delivery coordination and site supervision.
  •  The quay space was in active use throughout the 18-month construction project, and the timetables of ships arriving and leaving determined the building site work schedules.

Results and benefits

  • Coinciding with the Port of Vuosaari project, conversion of 11 kV shore-side electricity systems was carried out for three Finnlines ROPAX vessels operating from Vuosaari.
  • Comatec’s comprehensive design experience was utilised in the project requiring compatibility between the vessels’ electrical systems and the shore-side electricity system. Construction of the system was successful alongside and on the terms of normal port operations.
  • Comatec has contributed to the Port of Helsinki to reach the EU’s climate goals. The shore-side electricity system will reduce the port’s annual CO2 emissions by up to 2,000 tonnes.
“But despite the demanding site conditions, the work progressed as agreed, thanks to the excellent teamwork between the different parties. And above all, everything was done safely. Comatec did a great job in that regard.” – Port Engineer Sanna Supponen, Port of Helsinki