Hybrid Retrofit Slated For Cargo Vessel

By Jack Burke08 February 2019

Wärtsilä will do a hybrid retrofit installation on a general cargo vessel, the first project of its kind in short-sea shipping applications, the company said.

The project will take place onboard the Hagland Captain, a general cargo vessel owned by Hagland Shipping. The installation of a Wärtsilä battery hybrid propulsion solution is designed to enhance the ship’s environmental performance by reducing its emissions, fuel consumption and noise. Included in the solution are a shore power connection to provide power for loading/unloading operations and for battery charging, a new reduction gear with power take-off (PTO) and power take-in (PTI) technology, and a Wärtsilä NOx Reducer (NOR). It is estimated that the total reduction in nitrogen oxide (NOx) emissions after the retrofit could be as much as 80 to 90%, while overall fuel cost savings are expected to be in the range of 5 to 10%.

Wärtsilä said the battery capacity will be sufficient to sail in and out of harbor on electric power for approximately 30 minutes, which will effectively reduce noise and pollution levels in the vicinity of the harbor.

The project is in response to a collaborative agreement between Hagland Shipping and NOAH AS, the Norwegian environment and resource company, whereby the shipping of materials to the island of Langøya in Norway is required to be via environmentally sound vessels. Wärtsilä’s solutions will play a crucial role in enabling the vessel to meet this requirement.

“Wärtsilä has been chosen as a partner due to their significant experience in providing environmentally sound solutions such as hybrid systems,” said Oivind Wendelboe Aanensen, COO, Hagland Shipping AS. “Wärtsilä’s forward-leaning and supportive approach has enabled Hagland and NOAH to arrive at an optimal solution. We believe our mutual project will have a considerable impact in the market and will further the environmental drive towards sustainable solutions in short-sea shipping.”

Wärtsilä said its hybrid solutions are based on a ‘first-of-its-kind’ fully integrated hybrid power module. This combines engines, an energy storage system using batteries, and power electronics optimised to work together through a newly developed energy management system (EMS). It marks a new frontier in marine hybrid propulsion.

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