Kawasaki Receives an Order for an 86,700 m³ LPG-powered- LPG/ NH3 Carrier
Jul. 14, 2023
Tokyo, July 14, 2023 — Kawasaki Heavy Industries, Ltd. announced today that it has concluded a shipbuilding contract for an 86,700 m3 liquefied petroleum gas (LPG) and liquefied ammonia gas (NH3) carrier powered by LPG fuel for Nippon Yusen Kabushiki Kaisha. This is the sixth LPG/NH3 carrier for Nippon Yusen Kabushiki Kaisha.
The vessel is equipped with separate cargo tanks designed to carry LPG and NH3 at the same time. This contract represents their 83rd LPG carrier, 20th LPG-powered LPG carrier and 13th LPG/NH3 carrier to be constructed by Kawasaki. Kawasaki plans to complete the construction of the vessels at its Sakaide Works in 2026.
The advantage of this dual-purpose vessel is its capability to simultaneously carry LPG, which is already used as a low-carbon energy source, and NH3, a new fuel contributing to the establishment of a decarbonized society. Another feature is the greater capacity of the cargo tanks as compared to conventional carriers, which was achieved without significantly changing the vessel’s length, breadth, or other main specifications.
Fueled by low-sulfur fuel oil and LPG (which significantly reduces the emission volumes of sulfur oxides [SOx], CO2, and other pollutants in the exhaust gases as compared to marine fuel oil), the vessel meets SOx emission standards set by the International Maritime Organization (IMO)*1, as well as the IMO’s Energy Efficiency Design Index (EEDI)*2 Phase 3 regulations. In addition, the vessel is equipped with a shaft generator that converts the rotational energy of the main engine into electric power. This enables the vessel to stop all the diesel generators under the normal sea-going condition.
To meet environmental standards being tightened globally, and to implement action plans set forth in the Sustainable Development Goals (SDGs), Kawasaki plans to develop and build more LPG-powered LPG carriers and other commercial vessels that meet environmental standards, as well as to develop other eco-friendly marine technologies, including vessels for transporting liquefied hydrogen to contribute to the establishment of a low-carbon/decarbonized society.
| Specifications | |
|---|---|
| Length overall | Approx. 230.00 m |
| Breadth | 37.20 m |
| Depth | 21.90 m |
| Summer draft | 11.65 m |
| Tank capacity | 86,700 m3 |
| *1 | SOx emission standards: Since January 2015, SOx emission regulations specifying a fuel sulfur content of 0.1% or less have been enacted in the Emission Control Areas (ECAs) of Europe and America. In addition, beginning in January 2020, vessels traveling in marine areas in all other parts of the world are required to use fuels with a sulfur content of 0.5% or less, or to use alternative equipment to reduce the SOx content of exhaust gases to an equivalent level. |
| *2 | Energy Efficiency Design Index (EEDI) regulation: An international regulation that enforces compliance of newly-constructed vessels with energy-saving performance regulation values using the Energy Efficiency Design Index (EEDI), which is defined as the number of grams of CO2 emitted when transporting one ton of cargo over one mile. Required EEDI regulation values are made stricter in phases according to the construction contract and delivery dates. For some types of vessels such as large LPG carriers and LNG (liquefied natural gas) carriers, compliance with Phase 3 (30% reduction in CO2 emissions from the baseline [Phase 0]) is required for vessels contracted for construction in 2022 and later. |
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