The article discusses Malaysia's ambition to become a hydrogen exporter by 2050 through the Hydrogen Economy and Technology Roadmap (HETR), emphasizing the country's advantages in renewable energy sources, government support, and developing infrastructure. Sarawak is actively driving hydrogen initiatives, such as hydrogen bus trials and plans for green hydrogen production and export by 2030. The article explores the evolution of hydrogen technology in Malaysia, referencing the Gartner Hype Cycle and the current momentum towards mainstream adoption. It explains the importance of different forms of hydrogen production - grey, blue, and green - with a focus on green hydrogen's significance for a sustainable energy system. The article delves into electrolysis as a key process for green hydrogen production, detailing various electrolysis technologies like AWE, PEM, SOEC, and AEM, highlighting their efficiencies and applications in scaling up green hydrogen production.