Hanwha Power Systems Receives Approval in Principle (AiP) from ABS for 174K LNG Carrier Ammonia Fuel Gas Turbine Retrofit

In the context where the International Maritime Organization (IMO) has set the goal of achieving carbon neutrality in the international marine industry by 2050 and is introducing specific environmental regulations, the ammonia gas turbine is regarded as a technology that opens up a zero-carbon maritime market. In the context where the International Maritime Organization (IMO) has set the goal of achieving carbon neutrality in the international marine industry by 2050 and is introducing specific...

SEOUL, South Korea, 12/09/2025 (informazione.news - comunicati stampa - ambiente)

In the context where the International Maritime Organization (IMO) has set the goal of achieving carbon neutrality in the international marine industry by 2050 and is introducing specific environmental regulations, the ammonia gas turbine is regarded as a technology that opens up a zero-carbon maritime market.

The AiP was granted after a thorough review and approval process of essential engineering documents, including the Process Flow Diagram (PFD), operation and control philosophy, and equipment list, General Arrangement (GA), Machinery Arrangement (MA), toxic area detection, Emergency Shutdown System (ESD), fire safety drawings, and the Hazard Identification (HAZID) report. This approval officially confirms compliance with international safety standards for ammonia-fueled ships, as certified by the ABS.

With this AiP, Hanwha Power Systems has secured the foundation to propose retrofit packages for converting various ship types, including existing LNG carriers, to ammonia fuel. The company plans to strengthen its position in the global ship decarbonization market through expanded collaboration among shipowners, shipyards, and classification societies.

Hyoung-seok Kim, Head of Maritime solutions business division at Hanwha Power Systems stated, "This AiP achievement demonstrates the technical and commercial viability of gas turbine propulsion systems utilizing ammonia fuel. We will continue to expand cooperation with shipowners, shipyards, and classification societies to progress toward practical application and commercial operation of this technology."

Hanwha Power Systems is participating in the Gastech 2025 exhibition held in Milan, Italy. The exhibition will be held for four days from September 9 to 12 at Fiera Milano. In addition to showcasing ammonia gas turbines, Hanwha Power Systems is also introducing ship FSRU modification technology and NRS, as well as displaying CO2 compressors used in the core processes of carbon capture and storage (CCUS), emphasizing its position as an optimal partner in achieving carbon neutrality goals. 

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