Life cycle assessment of green hydrogen production via geothermal energy-driven electrolysis

This study investigates green hydrogen production using a closed-loop geothermal system integrated with an organic Rankine cycle (ORC). Geothermal energy powers the ORC turbine, generating electricity for hydrogen production through water electrolysis. The study quantifies the global warming potential (GWP) of the production of green hydrogen. Notably, the GWP is low at 3.67 kg CO
2
eq per kg of hydrogen, promoting a cleaner alternative. The results highlight the system’s sustainability, offering valuable insights for policymakers and stakeholders in the pursuit of a greener energy future.