Cummins Power Systems(CMI)
HQ US8% share
manufactured · input
Green Hydrogen Electrolyzers (PEM and Alkaline)
Electrochemical systems that use electricity (ideally from renewables) to split water (H₂O) into hydrogen (H₂) and oxygen (O₂) via electrolysis. PEM (proton exchange membrane) electrolyzers operate at higher current densities and can respond rapidly to variable renewable power; alkaline electrolyzers are more established and lower cost at large scale. Key input to green hydrogen supply chains for industrial decarbonization, transport fuel, and energy storage. Top global manufacturers: Nel Hydrogen (Norway), ITM Power (UK), ThyssenKrupp nucera (Germany), Cummins/Accelera (US, via Hydrogenics), Plug Power (US).
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Who makes it
Supplier companies
2 companies produce green hydrogen electrolyzers (pem and alkaline).
Nel ASA(NEL.OL)
HQ NO8% share
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.