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Article

Techno-Economic Assessment of Green Hydrogen Production in Australia Using Off-Grid Hybrid Resources of Solar and Wind

Research Center for Advanced Science and Technology (RCAST) The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
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Energies 2025, 18(13), 3285; https://doi.org/10.3390/en18133285 (registering DOI)
Submission received: 21 April 2025 / Revised: 7 June 2025 / Accepted: 13 June 2025 / Published: 23 June 2025
(This article belongs to the Section A5: Hydrogen Energy)

Abstract

This study presents a techno-economic framework for assessing the potential of utilizing hybrid renewable energy sources (wind and solar) to produce green hydrogen, with a specific focus on Australia. The model’s objective is to equip decision-makers in the green hydrogen industry with a reliable methodology to assess the availability of renewable resources for cost-effective hydrogen production. To enhance the credibility of the analysis, the model integrates 10 min on-ground solar and wind data, uses a high-resolution power dispatch simulation, and considers electrolyzer operational thresholds. This study concentrates on five locations in Australia and employs high-frequency resource data to quantify wind and solar availability. A precise simulation of power dispatch for a large off-grid plant has been developed to analyze the PV/wind ratio, element capacities, and cost variables. The results indicate that the locations where wind turbines can produce cost-effective hydrogen are limited due to the high capital investment, which renders wind farms uneconomical for hydrogen production. Our findings show that only one location—Edithburgh, South Australia—under a 50% solar–50% wind scenario, achieves a hydrogen production cost of 10.3 ¢USD/Nm3, which is lower than the 100% solar scenario. In the other four locations, the 100% solar scenario proves to be the most cost-effective for green hydrogen production. This study suggests that precise and comprehensive resource assessment is crucial for developing hydrogen production plants that generate low-cost green hydrogen.
Keywords: resource assessment; green hydrogen; off-grid hybrid renewable plant; Integrated techno-economic modeling resource assessment; green hydrogen; off-grid hybrid renewable plant; Integrated techno-economic modeling

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MDPI and ACS Style

Bagheri, B.; Kumagai, H.; Hashimoto, M.; Sugiyama, M. Techno-Economic Assessment of Green Hydrogen Production in Australia Using Off-Grid Hybrid Resources of Solar and Wind. Energies 2025, 18, 3285. https://doi.org/10.3390/en18133285

AMA Style

Bagheri B, Kumagai H, Hashimoto M, Sugiyama M. Techno-Economic Assessment of Green Hydrogen Production in Australia Using Off-Grid Hybrid Resources of Solar and Wind. Energies. 2025; 18(13):3285. https://doi.org/10.3390/en18133285

Chicago/Turabian Style

Bagheri, Behgol, Hiromu Kumagai, Michio Hashimoto, and Masakazu Sugiyama. 2025. "Techno-Economic Assessment of Green Hydrogen Production in Australia Using Off-Grid Hybrid Resources of Solar and Wind" Energies 18, no. 13: 3285. https://doi.org/10.3390/en18133285

APA Style

Bagheri, B., Kumagai, H., Hashimoto, M., & Sugiyama, M. (2025). Techno-Economic Assessment of Green Hydrogen Production in Australia Using Off-Grid Hybrid Resources of Solar and Wind. Energies, 18(13), 3285. https://doi.org/10.3390/en18133285

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