Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 47, Issue 19, Pages 10460-10473Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2022.01.133
Keywords
Green hydrogen; Hybrid system; Electric power sector; Economic costs; Brazil
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Funding
- Sao Paulo Research Foundation (FAPESP) [2014/50279-4, 2017/18208-8, 2018/26388-9, 2020/15230-5]
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This study aims to verify the economic feasibility of renewable hybrid systems for hydrogen production and storage in the Brazilian electric power sector. The results show that wind and solar hybrid systems for hydrogen production and storage are still not economically viable in Brazil, with significant CAPEX and operating losses of electrolysers.
The work aims to verify the economic feasibility of renewable hybrid systems for hydrogen production and storage in the Brazilian electric power sector. The methodology applied is based on economic cost analyses of the two largest wind and solar photovoltaic plants in the country. As a result, the number of hours of electricity available for hydrogen production directly influences its cost. However, fully dedicated plants to produce green hydrogen have shown economically feasible to the exporter or other sectors, being trading hydrogen is more profitable than transforming it back into power. The model also concludes that wind and solar hybrid systems for hydrogen production and storage are still not economically viable in Brazil. The CAPEX of electrolysers and their operating losses are still very significant. Finally, hydrogen production and storage become economically feasible only from plants operating above 3000 h and for electrolysers with a CAPEX of USD 650/kWe.(c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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