Green hydrogen production from photovoltaic power station as a road map to climate change mitigation

Kehinde Ridwan Kamil, Bassey Okon Samuel*, Umar Khan

*Corresponding author for this work

Research output: Contribution to journalArticle (journal)peer-review

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Abstract

The increasing recognition of hydrogen as a critical element in the global net-zero transition and its clear role in decarbonizing challenging sectors coincide with the growing urgency to address climate change. Africa's favourable renewable-energy capacity, ranging from 28% to 36% for solar, has been reported by the global solar irradiance index. However, the majority of hydrogen production today relies on fossil fuels (96%), with only a small fraction (4%) being produced through water electrolysis. Even though there have been many studies on climate change mitigation with a focus on Africa, a green hydrogen production from a photovoltaic power station approach has not been reported. Also, literature with a focus on Nigeria is lacking. This study focuses on the African green hydrogen production industry, utilizing Nigeria as a case study to explore the feasibility of generating clean hydrogen vectors from a percentage of photovoltaic power output in various regions of the country through stand-alone solar grid electrification projects. Analyses of the usage and effectiveness of the produced hydrogen fuel in each region are carried out, with the highest region having an annual output of 12 247 278 kg of green hydrogen and 8 573 094 kg of ammonia and the lowest region having an output of 511 245 kg of green hydrogen and 357 871 kg of ammonia, and the expected production from the proposed usage of 50% of the power generation output of the installed 1.6-MWp and 80-kWp solar power minigrids in the regions is calculated. The analyses were repeated for the other considered regions in the country. The results showcased the enormous advantages of the electrolytic production of hydrogen and how the greener economy project can play a major role in mitigating climate change effects and overreliance on fossil fuels as the driver of the economy in many African countries.
Original languageEnglish
Pages (from-to)156-167
Number of pages12
JournalClean Energy
Volume8
Issue number2
Early online date8 Mar 2024
DOIs
Publication statusE-pub ahead of print - 8 Mar 2024

Keywords

  • climate change
  • fossil fossil fuels decarbonization electrolysis
  • renewable energy
  • green hydrogen vector
  • photovoltaic

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