The Western Australia government has launched the Denham Renewable Hydrogen Microgrid project, pioneering the integration of green hydrogen generation with solar and wind power in the coastal town of Denham. The project, completed in late 2022, involved the installation of a hydrogen electrolyser and fuel cell as an alternative to fossil fuels, along with a new battery system and microgrid controller. While the project aims to enhance renewable energy usage and reduce dependence on diesel, a recent report acknowledges the significant learning curve faced by the energy industry in incorporating renewable hydrogen into practical power systems. Challenges identified include the intermittent nature of solar power impacting hydrogen electrolyser operation, the need for additional battery storage to ensure continuous operation, and limitations of hydrogen fuel cells in responding to rapid load fluctuations. The report also highlights issues such as underestimated water requirements, temperature concerns, and inexperience in integrating different equipment packages. Despite these challenges, the project underscores the importance of advancing industry knowledge and technology to overcome barriers and pave the way for a more sustainable and reliable energy future.