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South Africa’s Coega green ammonia project has chosen Danish company Topsoe to supply electrolyser cell technology and other equipment in a deal valued at around $1 billion. The developers said the agreement supports a major plant planned for the country’s east coast.
The $5.8 billion project at the port of Coega aims to produce 1 million metric tons of green ammonia by 2030. Green ammonia is used in fertiliser and chemical production and is made with renewable energy such as solar and wind power.
The project is being jointly developed by Britain’s Hive Energy and South African partner BuiltAfrica. It is competing with projects in Morocco and Namibia as African countries race to meet rising demand for hydrogen and ammonia in Europe and Asia.
Hive Energy chief executive Giles Redpath said Topsoe’s technology would reduce renewable energy capital expenditure by more than 0.5 billion euros, or about $582.2 million. The project is now in its final development stage and is expected to begin front-end engineering design in the third quarter of 2026.
The developers plan to reach a final investment decision by the third quarter of 2027. If completed as scheduled, the plant would add South Africa to a growing group of African countries trying to capture value from the global green fuels market.


