{"id":11498,"date":"2024-12-16T08:30:00","date_gmt":"2024-12-15T22:30:00","guid":{"rendered":"https:\/\/testblogs.griffith.edu.au\/asiainsights\/?p=11498"},"modified":"2024-12-13T08:45:34","modified_gmt":"2024-12-12T22:45:34","slug":"towards-net-zero-unlocking-the-potential-of-offshore-hydrogen-systems","status":"publish","type":"post","link":"https:\/\/testblogs.griffith.edu.au\/asiainsights\/towards-net-zero-unlocking-the-potential-of-offshore-hydrogen-systems\/","title":{"rendered":"Towards net-zero: Unlocking the potential of offshore hydrogen systems"},"content":{"rendered":"\n

MOSTAFA REZAI<\/a>, ALEXANDR AKIMOV<\/a> AND EVAN GRAY<\/a>  | <\/p>\n\n\n\n

The transition to a low-carbon future demands urgent acceleration in renewable hydrogen production, a critical pathway to decarbonisation. Offshore wind energy (OSW) stands out as a promising resource due to its vast potential and high-capacity factors. However, the high costs and technical challenges associated with OSW have hampered its development compared to other renewable sources. A recent study delves into the techno-economic feasibility of using OSW for dynamic hydrogen production, focusing on Australia\u2019s offshore wind capacity under “slow progress” and “fast progress” scenarios.<\/p>\n\n\n\n

Harnessing offshore wind for hydrogen production<\/h3>\n\n\n\n

Offshore wind energy offers a unique advantage in renewable hydrogen production, leveraging consistent wind speeds and massive potential. However, this study identifies critical challenges, such as significant energy losses from wake effects, air density variations, and turbine inefficiencies. To ensure realistic projections, the research incorporates these factors alongside economic modelling, which considers costs for turbines, foundations, submarine cables, and substations.<\/p>\n\n\n\n

Dynamic hydrogen production is explored using proton-exchange membrane (PEM) electrolysis, which operates under variable power input. Our recent study<\/a> demonstrates how aligning wind energy output with PEM\u2019s operational efficiency can reduce energy consumption, especially for GW-scale projects. For instance, we found a 5 kWh\/kg difference in energy consumption between two wind locations, driven by variations in hourly wind power distribution.<\/p>\n\n\n\n

To contextualise these findings, insights can be drawn from successful offshore hydrogen system projects in Asia. For example, Japan’s Fukushima Hydrogen Energy Research Field (FH2R)<\/a> and South Korea’s Ulsan offshore hydrogen initiatives<\/a> demonstrate the feasibility of integrating offshore wind with large-scale hydrogen production. These projects underscore the importance of aligning policy support with technological advancements to overcome initial financial and technical barriers, offering valuable lessons for similar developments in Australia.<\/p>\n\n\n\n

Key findings<\/h3>\n\n\n\n