Innovative Approach: Using Iron for Green Hydrogen Production in Germany
Key Ideas
- DNV report suggests that producing hydrogen from iron could be a cost-effective solution for Germany's green hydrogen needs.
- HyIron pilot project in Namibia aims to directly reduce iron ore using hydrogen from solar PV, with production set to begin in 2024.
- Iron-to-hydrogen process is seen as versatile and energy efficient, suitable for decentralized backup power generation.
- Challenges include ensuring resilient supply chains due to availability of pipeline hydrogen and green iron, impacting costs.
A recent report by DNV on behalf of the Climate Neutrality Foundation highlights the potential of producing hydrogen from iron as a cost-effective method to meet Germany's green hydrogen requirements. The analysis compares different scenarios, indicating that importing green iron for hydrogen production could be more economical than relying on German or European pipeline networks or cracked green ammonia. The report breaks down costs related to generation, transportation, storage, and reconversion to electricity. CNF Director Rainer Baake praises the promising nature of hydrogen production from iron, emphasizing its storage capabilities and potential for large-scale, climate-neutral hydrogen production.
A pilot project named HyIron is underway in Namibia, focusing on directly reducing iron ore using hydrogen generated from solar PV. This innovative process involves various stages such as hydrogen production, iron oxide reduction to produce DRI, transportation of DRI to Germany, local storage, and reconversion through oxidation. The iron-to-hydrogen approach is deemed versatile, safe, and energy-efficient for decentralized backup power generation. However, challenges like ensuring a resilient supply chain due to pipeline hydrogen and green iron availability could impact costs. Despite these potential limitations, the iron-to-hydrogen process shows promise for meeting green hydrogen demands efficiently.