It's difficult to say which are the "best" stocks in the green hydrogen sector, as stock performance can be influenced by a variety of factors and can change rapidly. However, some companies that are considered leaders in the green hydrogen space include:
Nel ASA (NEL: OSE)
Nel ASA is a Norwegian company that is one of the world's leading hydrogen electrolysis companies. It produces and supplies hydrogen fueling stations and electrolyzers, and also provides hydrogen production and distribution services. The company is considered a leader in the green hydrogen space, and has been actively investing in the development of green hydrogen production and distribution technologies.
Nel ASA's main focus is on the production of hydrogen via electrolysis, a process that uses electricity to split water into hydrogen and oxygen. The company's electrolysis systems use renewable energy sources such as solar and wind power, making the hydrogen produced "green hydrogen". Nel ASA's electrolysis technology is considered to be one of the most advanced in the world, and they have a strong focus on the development of hydrogen refuelling infrastructure.
Nel ASA has a growing portfolio of hydrogen refuelling stations, including public access and private stations, and operates a number of large-scale hydrogen production facilities in Europe and the US. The company also has a number of strategic partnerships and collaborations with other companies and organizations in the hydrogen industry, such as with Toyota and National Grid.