The Ports of Auckland (POAL) at New Zealand have decided to implement a shore power solution to reduce emissions, rather than introduce a scheme to have vessels switch to consuming 0.1% sulphur limit bunker fuel at local ports.
"POAL has decided adopt the recommendation to plan for shore power. Shore power has an estimated total cost of $18.3 million (±30%) and the potential to reduce greenhouse gas emissions by 31%," said Chief Executive Tony Gibson.
"We will not pursue fuel switching at this stage because the greenhouse gas reductions it delivers are marginal.
“While fuel switching would deliver a large reduction in sulphur emissions, this reduction is due to happen with the introduction of new international rules on the sulphur content of marine fuels in 2020."
Gibson adds that New Zealand already has 80% of its electricity generated via renewable means. POAL has a goal of becoming a zero emissions port by 2040.
Moving forward, POAL will carry out further work on shore power, including a detailed cost estimate, a cost-benefit analysis and an investigation of funding options before construction of the facility.
The decision was made after analysing results of a feasibility study of using shore power for cruise ships berthed in Auckland.
The study compared various means of emission reduction technologies, including the use of shore power (grid supplied, local generation including renewables, hybrid), fuel switching (methanol, LNG, low sulphur diesel), land/barge based exhaust capture systems and ship based scrubbers.
Photo credit: POAL
Published: 26 December, 2017
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