Producer
Nel ASA
Norwegian electrolyzer manufacturer and green hydrogen company. Founded 1927. Operates world's first fully automated electrolyzer gigafactory at Heroy, Norway (opened April 2022, 500 MW/year capacity). Produces both PEM and alkaline electrolyzers.
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Electrolyzer Manufacturing (Nel Electrolyser)
55%Hydrogen Fueling (Nel Hydrogen Fueling)
25%Green Hydrogen Projects & Services
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Origin2023
Nel ASA traces its origins to Norsk Hydro — the Norwegian industrial conglomerate that in 1927 built the world's largest electrolytic hydrogen production facility at Notodden and Rjukan, powered by Norwegian waterfall hydroelectric energy, to produce ammonia for nitrogen fertilizer. The electrolysis technology Nel uses today for green hydrogen is the direct descendant of the alkaline electrolysis process Norsk Hydro deployed in the 1920s. The Vemork plant at Rjukan — an adjacent Norsk Hydro facility — became famous during WWII because it produced heavy water (deuterium oxide, D2O) as a byproduct of the electrolysis process: heavy water was needed by Nazi Germany's nuclear weapons program. British special operations and Norwegian commandos conducted the 'Operation Gunnerside' sabotage of Vemork in 1943 — the most celebrated WWII special operation in Norway — specifically to prevent Germany from obtaining heavy water for nuclear weapons. The same electrolysis technology at the foundation of Nel's green hydrogen business was the WWII nuclear weapons program chokepoint that Allied forces had to destroy.
Nel ASA ↗Did you know2023
Nel ASA's electrolyzer technology serves the same chemical function — splitting water into hydrogen and oxygen — in three completely different energy and industrial contexts: (1) Green hydrogen for industrial decarbonization — Nel electrolyzers are deployed or ordered for ammonia production (Yara, CF Industries), steel production (H2-DRI iron reduction), and transportation fuel; (2) Hydrogen fueling stations for fuel cell vehicles — Nel H2Station products fuel FCEV buses, trucks, and passenger cars; over 500 Nel fueling stations installed globally; (3) Offshore platform hydrogen (emerging) — Norwegian floating offshore electrolysis platforms to produce hydrogen from offshore wind for export. The Norwegian waterfall-to-electrolysis model from 1927 (hydropower electricity → electrolysis → hydrogen → ammonia fertilizer) is now being replicated at global scale with renewable electricity instead of Norwegian waterfalls. Nel's 100-year technology lineage in water electrolysis is the industrial heritage basis for the global green hydrogen industry.
Nel ASA ↗Capacity2022
Nel ASA's Heroya electrolyzer factory in Norway is the world's first fully automated, gigawatt-scale electrolyzer manufacturing facility — yet it produces only 500 MW/year. To replace one mid-sized natural gas SMR hydrogen plant (~200 MW equivalent H2 output), the world's largest electrolyzer factory would need to run for five months producing nothing else. This capacity gap illustrates why the transition from grey to green hydrogen is measured in decades, not years, even under aggressive policy scenarios.
Nel Hydrogen ↗