Wärtsilä awarded contract to build MV Yampu bulk carrier for CSL Australia

Type: Supply Agreement · Technology: Transport · Country: China · Capacity: 6.7 MWh · Announced: 2026-08-28

Finland’s technology group Wärtsilä was awarded a contract to build the MV Yampu, a diesel-electric self-loading 11,000 deadweight tonnage (dwt) Limestone Carrier, for CSL Australia. The vessel was constructed in China and forms part of a hybrid diesel-electric power system, incorporating a 6.7 MWh Aries+S battery system from AYK Energy. The MV Yampu transports limestone from Adbri’s quarry on South Australia’s Yorke Peninsula to CSL Australia’s Birkenhead cement manufacturing plant in Adelaide. This contract supports CSL Australia's decarbonisation efforts, with the vessel designed for a future upgrade to 100% electric operations.

Analysis

Wärtsilä was awarded a contract to build the MV Yampu, an 11,000 dwt Limestone Carrier, for CSL Australia, as announced on 2026-08-28. Wärtsilä is a technology company providing power solutions for marine and energy markets, focusing on lifecycle solutions and services for power plants and marine vessels. The MV Yampu was constructed in China and incorporates a 6.7 MWh Aries+S battery system from AYK Energy. The vessel transports limestone from Adbri’s quarry on South Australia’s Yorke Peninsula to CSL Australia’s Birkenhead cement manufacturing plant in Adelaide.

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