Texas, a prominent oil producer, is on the brink of a significant energy transition with the Hydrogen City project, aiming to revolutionize its energy landscape. Fossil fuels, although abundant, pose environmental challenges due to their carbon emissions. Green Hydrogen International's ambitious initiative in Texas plans to produce, store, and transport green hydrogen using renewable sources like solar and wind energy. The project's cornerstone, the Piedras Pintas salt dome, provides an ideal storage solution for hydrogen, potentially storing massive amounts of energy. The planned 2.2 GW electrolyser, synchronized with 3.75 GW of solar and wind energy, will power the hydrogen production. Expected to commence construction in 2026, the project targets commercial production by 2029, catering to international markets. The involvement of Inpex Corporation and ABB further strengthens the project's credibility, expanding its global reach. Despite the significant potential, challenges such as the energy cost of electrolysis remain. To address this, the project plans to mitigate energy fluctuations by purchasing off-peak electricity, enhancing cost-effectiveness and sustainability. By leveraging renewable sources and advanced infrastructure, Texas aims to establish itself as a key player in green hydrogen production, signaling a paradigm shift towards sustainable energy practices.