A study highlights Brazil’s significant potential for underground hydrogen storage, estimating a technical capacity of 5.48 PWh using depleted oil and gas fields, salt caverns, and aquifers. Depleted fields offer advantages due to existing infrastructure, while the northeast shows high suitability for salt caverns. The study also analyzes hydrogen production costs, finding steam methane reforming cheaper than electrolysis and emphasizes using surplus renewable energy to support cost-effective, large-scale green hydrogen deployment.
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