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The Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH funded a project to promote a South African Green Hydrogen Economy (H2.SA) and the development of Power-to-X (PtX) fuels. As part of the project, a life cycle assessment was conducted to determine the potential environmental impacts of green ammonia produced at a coastal facility in South Africa. The LCA determined that green ammonia had >70% reduction in greenhouse gas emissions, compared to black ammonia produced from fossil fuels. However, losses in the transportation and cracking upon arrival in Europe incurred significant emissions. The assessment also revealed that fossil fuels used for the manufacturing of infrastructure account for 87% of the total environmental impacts. These findings support the adoption of green ammonia to mitigate climate change and help meet netzero carbon emissions by 2050, but highlight the need for the decarbonisation of energy supply systems to reduce the embodied emissions associated with manufacturing infrastructure.

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Environmental Impacts of Green Ammonia Produced in South Africa, Transported to Europe and Used in Germany for Heavy-Duty Transportation

  • 会议论文

  • 发表日期：

    2026年

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  • Susan Byakika,
  • Henrik Uehlecke,
  • Kolobe J. Chaba,
  • William H. L. Stafford,
  • Valentina Russo,
  • Taahira Goga,
  • Thomas Roos,
  • Myles Sharp,
  • Anton Nahman

摘要

The Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH funded a project to promote a South African Green Hydrogen Economy (H2.SA) and the development of Power-to-X (PtX) fuels. As part of the project, a life cycle assessment was conducted to determine the potential environmental impacts of green ammonia produced at a coastal facility in South Africa. The LCA determined that green ammonia had >70% reduction in greenhouse gas emissions, compared to black ammonia produced from fossil fuels. However, losses in the transportation and cracking upon arrival in Europe incurred significant emissions. The assessment also revealed that fossil fuels used for the manufacturing of infrastructure account for 87% of the total environmental impacts. These findings support the adoption of green ammonia to mitigate climate change and help meet netzero carbon emissions by 2050, but highlight the need for the decarbonisation of energy supply systems to reduce the embodied emissions associated with manufacturing infrastructure.