Cold ironing goes way back into shipping’s past, as it first appeared when all ships were using coal-fired engines. Specifically, when a ship was berthing at port, it did not have to continue to feed the fire, and the iron engines would cool down, going totally cold. This is from where this process took its name from.

The shore power facility will be located at eight connection points at Burchardkai, Europakai and Predöhlkai, available for all containerships.

Moreover, to boost the cruise terminal, the shore power will be extended to all cruise terminals; Thus, a shore-based power supply point will be constructed at HafenCity - CC1 and Steinwerder - CC3.

Hamburg First Mayor, Peter Tschentscher, stated

Expansion of shore-based power supply units in the port represents a significant and tangible step towards greater climate and environmental protection in Hamburg. Use of regenerative power from these units will totally eliminate existing CO2 and pollutant emissions from vessels during lay times.

This expansion enables the port of Hamburg lead the path towards alternative power supply during ships’ lay times in port.

The Mayor added that the decision on approving the shore power project provides shipowners with the clarity and planning for the refitting of their vessels.

All shore-based supply units will be connected to the power grid, in future supplying vessels with regenerative current that will be converted at a central facility to normal shipboard 6.6 kV voltage and 60 Hz frequency, and fed to the connection points from there.

The first such unit for cruise ships in Europe has been located at Altona Cruise Terminal since 2016.