TotalEnergies-backed green hydrogen megaproject reveals details of gigawatt-scale first phase




Chariot Energy and TEH2 aim to take a final investment decision in the latter half of 2027


A 10GW multi-phase green hydrogen project in Mauritania will start with 1.6GW installed in its first stage, one of its developers Chariot Energy revealed yesterday following the completion of a feasibility study.


‘Project Nour’, jointly developed with TEH2 (80% owned by TotalEnergies and 20% by EREN Group), is now set to begin a “conceptual study” for completion next year, with a final investment decision on the multi-billion-dollar project scheduled for the latter half of 2027.


While the full phase is expected to produce 1.2 million tonnes a year of H2, with initial announcements suggesting this production capacity would be on line by 2030, the first 1.6GW stage would draw on 3GW of dedicated wind and solar capacity to produce 150,000 tonnes of green hydrogen per year.


The project cost was estimated at $3.5bn in 2021, although Chariot Energy has not yet provided a more recent update to this figure.


Chariot Energy has exclusive development rights for two blocks of onshore land totalling 5,000 square kilometres in northwestern Mauritania, with the first project area located between existing mining and railway infrastructure for iron ore and the port city of Nouadhibou.


While the company also had rights to another 9,400 square kilometres offshore, a spokesperson confirmed to Hydrogen Insight yesterday that Nour will be designed as a fully onshore project.


“This feasibility study further corroborates how important this project stands to be within the context of the future green hydrogen market,” said Laurent Coche, CEO for Chariot Green Hydrogen.


He continued: “Nour’s size and scale has the potential to have a material impact both as a domestic and export producer and we are proud to have set the development along this path. With TE H2 and the government we will continue to look at how best to bring it into production to maximise value in the near and long term for the benefit of all stakeholders.”


Chariot Energy indicated in its announcement that it will explore both green steelmaking within the country and ammonia production for export to Europe as potential offtake options.


In 2022, the developer signed a non-binding memorandum of understanding with the Port of Rotterdam to ship hydrogen either as a liquid or as ammonia from Nouadhibou.


European Commission president Ursula von der Leyen last month suggested during a visit to the country that in addition to direct exports of H2the EU could be a potential import market for green iron and steel from Mauritania, with an offer to deploy the €300bn ($323bn) Global Gateway fund to finance infrastructure.


The African country has already racked up multiple proposals for gigawatt-scale green hydrogen plants beyond Nour, including Danish developer GreenGo Energy’s 35GW Megaton Moon project; CWP Global’s 16-20GW Aman project (drawing on 30GW of renewables); and Infinity Power’s unnamed $34bn, 10GW facility.



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