The hydrogen generators market is experiencing growth driven by tightening greenhouse gas regulations globally. Government initiatives to reduce harmful emissions have led to the increased production of hydrogen generators by key companies. The market size is projected to rise steadily from $1.2 billion in 2024 to $1.24 billion in 2025, with a compound annual growth rate of 3.0%. The surge in green hydrogen projects, industrial electrification, and government regulations for carbon reduction are expected to further boost the market, reaching $1.45 billion by 2029 with a 4.0% compound annual growth rate. Major players in the industry are introducing innovative products like zero-emission generators to meet environmental standards. For instance, Hitachi Energy Ltd. launched the emission-free HyFlex module for various industries in November 2023. The hydrogen generators market is segmented by product type, process, capacity, and application, with subsegments including electrolytic hydrogen generators, portable electrolyzers, and more. North America led the market in 2024, with key industry players including Toyota, Honda, Hyundai, and Siemens driving growth and innovation in the sector.