Cold ironing helps

Industry Database

Recognising the problems associated with diesel particulate matter emissions, the Port of Los Angeles has been examining alternatives to ships using their auxiliary engines to provide onboard power when in port.

Since the end of last year BP has been participating in a trial of 'cold ironing' technology at Berth 121 at the Port of Los Angeles using infrastructure that was already in place in the form of shoreside booster pumps.

To provide a solution for where the necessary infrastructure is not already in place, the Cavotec Group has designed two alternative systems, the first being to mount a cable management system for electrical power on the ship itself. The connection to shore is made via a special high voltage cable to an integrated technical pit fitted into the quayside.

The second alternative is to have the system as described above fitted into a standard-size container which can then be placed on the ship either fore or aft of the ship's accommodation. Connection to the shore is made in the same way as with the fixed ship-based system.

However, BP notes cold ironing is not a universal solution to reduce diesel particulate matter emissions in port - it would not for instance be a cost-effective technique for ships that called only rarely at a port - and said it believed regulations should not dictate which techniques were adopted. Cold ironing is, noted BP, also a more expensive option making voluntary participation less likely.

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