The global green hydrogen market is experiencing rapid growth, projected to reach USD 199.22 billion by 2034 at a remarkable CAGR of 41.46%. Green hydrogen, produced through water electrolysis using renewable energy sources like solar, wind, or hydropower, is gaining traction for decarbonizing industries, supporting energy storage, and powering heavy-duty transport without emitting greenhouse gases. Europe, Asia-Pacific, and North America are at the forefront of adoption, with key countries such as Japan, South Korea, and the U.S. implementing strategic initiatives. The Middle East and Australia are also positioning themselves as future green hydrogen exporters due to abundant renewable resources. Industries like steel, ammonia, and refining are embracing green hydrogen, while the transportation sector is exploring fuel cell applications. Key companies like Air Liquide, Siemens Energy, Plug Power, and Linde are actively investing in this burgeoning market. Electrolyzer technologies, particularly PEM and alkaline electrolyzers, are witnessing significant market share growth, indicating the rising demand for clean energy solutions and the global shift towards decarbonization. The increasing adoption of green hydrogen across various industries and regions underscores its pivotal role in the clean energy transition and highlights its potential to reshape the future energy landscape.