At SNEC 2025, Sungrow Hydrogen and Wison Engineering created a buzz in the green energy industry by introducing MegaFlex 'Plant-as-a-Product.' This revolutionary turnkey solution reshapes green hydrogen production with its MW-to-GW scalability and fully outdoor modular design, setting new standards for the hydrogen economy globally. The system overcomes traditional indoor plant limitations, enabling faster deployment, and reducing costs significantly. By integrating core electrolysis equipment with plant-wide utilities and auxiliary systems, MegaFlex ensures safe and reliable hydrogen production with flexible water electrolysis technology. It offers quick setup and easy expansion, along with a substantial reduction in on-site risks through plug-and-play modular solutions. Technical breakthroughs in outdoor reliability, particularly through Sungrow Hydrogen's advanced water electrolysis technology, make the solution weatherproof and suitable for challenging environments. The solution boasts a 15.5% smaller footprint and 11.5% lower total costs compared to conventional systems, making it a cost-effective option for green hydrogen production. MegaFlex will be implemented in ACME's green ammonia project in Oman for real-world validation. The innovative approach of turning hydrogen plants into replicable industrial models not only ensures technical excellence but also provides a scalable blueprint for large-scale decarbonization, marking a paradigm shift in the industry.