Whyalla in South Australia is poised to become a green energy hub as plans for a mega hydrogen project received federal environmental approvals. The project entails a 200 MW hydrogen-fuelled power station and a 250 MW electrolyser, marking a substantial commitment to renewable energy. The electrolyser will convert excess solar and wind energy into hydrogen, providing grid firming services and enhancing flexibility in energy generation. Despite challenges faced by Australia's green hydrogen industry, this project showcases a significant step towards decarbonisation, with an ambitious timeline to be operational by early 2026. The Office of Hydrogen Power South Australia is driving the project, which also includes a 3600-tonne hydrogen storage facility for industrial decarbonisation. While the hydrogen produced could support green steel plans at Whyalla steelworks, uncertainties loom due to financial issues within the company. Overall, the project signifies a positive stride towards sustainable energy practices and decarbonisation in the region.