Stories

Inspiring examples on maritime sustainability for shipowners and technology suppliers

Shore Power, Case Study, Decarbonizer Vincent Doedee Shore Power, Case Study, Decarbonizer Vincent Doedee

How to decarbonize your ship - battery hybrid + varying engine load

This case study also examines a general cargo ship with an auxiliary engine of 116 kW that is outfitted with a battery to make it a ‘battery hybrid’ while at berth. Again the battery pack powers the ship for several hours while idling or moored and is recharged using the auxiliary engines. This time however, engine load is varied in different loading scenarios to determine the impact of different operational profiles on the business case.

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Shore Power, Case Study, Decarbonizer Vincent Doedee Shore Power, Case Study, Decarbonizer Vincent Doedee

How to decarbonize your ship - general cargo ship with battery hybrid

This case study examines a general cargo ship with an auxiliary engine of 116 kW that is outfitted with a battery to make it a ‘battery hybrid’ while at berth. The battery pack powers the ship for several hours while idling or moored and is recharged using the auxiliary engines. Cost savings generally occur with an average engine load below 50%, but are mostly dependent on engine maintenance costs, spares and consumables as well as total battery pack costs.

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Shore Power, Shore Battery, Full Electric Vincent Doedee Shore Power, Shore Battery, Full Electric Vincent Doedee

Mobilyze Renewable Energy Units (HBEs) with Robert Gunsing

Renewable Energy Units - Hernieuwbare Brandstof Eenheden - are a Dutch system of certificates based on the EU Renewable Energy Directive (RED). Under the system, parties that produce liquid fossil fuels for transport have an obligation from the government to purchase REUs. Per year, €1 billion REUs are traded in the Netherlands. You can earn between 4.5 and 18 eurocents per kWh ‘sold’ to a vessel, for example when using shore power.

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Shore Battery, Inland Waterways, Decarbonizer Vincent Doedee Shore Battery, Inland Waterways, Decarbonizer Vincent Doedee

First Aid for a Sustainable Ship - Inland Waterways + Shore Battery

This is a case study on the ‘Skoon Skipper’, a general cargo large Rhine vessel, with an average of 40 [kW] power demand while moored to which a shore battery is applied. Batteries can help you comply with shore power regulations where no infrastructure exists with limited to no CAPEX investments. CAPEX is €0 for this case study as the battery pack is rented at an estimated €400 dayrate. Purchase cost for battery pack are approx. €350.000. This case study is powered by our preferred partner Skoon.

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Decarbonizer, Shore Battery, Inland Waterways Vincent Doedee Decarbonizer, Shore Battery, Inland Waterways Vincent Doedee

Battery for inland vessels

In February 2022, Skoon placed a battery system on Noordereiland for the Port of Rotterdam to boost shore power for stationary inland vessels. Addressing power shortfalls, the battery supported shore power cabinets, successfully delivering up to 63A without tripping fuses, benefiting both vessels and residents. This solution also enabled supplying power to larger ships, aligning with sustainability goals and showcasing potential expansion across the city center.

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