Cummins and Iberdrola announce construction of hydrogen electrolyser plant in Spain

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The hydrogen theme, which initially seemed to many to be «explosive», in the literal sense of the word, and unpromising, thanks to the opinion of Elon Musk and Herbert Diss, is still gradually gaining momentum. Personally, I have expressed the opinion many times that hydrogen will undoubtedly find its niche in heavy transport, energy, and metallurgy. But it was necessary that large and eminent players took up the development of this topic. What is happening today.

Over the past three to four years, from materials

Cummins and Iberdrola, a Spanish electricity producer and supplier, have agreed to build one of the world’s largest green hydrogen electrolysis plants in Castile. Electrolysis equipment and technology provided by Cummins. The electrolysis equipment itself will be produced here, for which a site is being searched for the construction of a plant for the production of equipment. Cummins’ new PEM cell plant will cost 50 million euros and will provide assembly and testing of the system with a capacity of approximately 500 MWh and expandable to over 1 GWh. Currently, Cummins has installed over 600 pots in 100 countries around the world.

Iberdrola, as the smelter reaches its announced capacity, will become the leading supplier of hydrogen to industrial end users in southern Europe. Also, within the framework of cooperation between the two companies, it is planned to create a hydrogen filling network in the Iberian Peninsula.

Iberdrola plans to achieve an annual hydrogen production of 60,000 t / a.

The largest electrolysis plant for the production of hydrogen is currently in operation in Canada. Cummins provided him with a 20 megawatt PEM cell system for green hydrogen production. The Cummins electrolysis system installed at Air Liquide’s plant can produce over 3,000 tons of hydrogen per year using clean hydropower.

Iberdrola previously signed a memorandum of understanding with electrolyzer manufacturer Nel to collaborate on over 200 MW of clean hydrogen projects in Spain by 2023. The Cummins and Iberdrola project is not the only one in Europe in this direction. Earlier this year, UK-based ITM Power built a large electrolysis plant and has already completed a major project with Shell Energy. Norwegian Nel and French McPhy are not far behind. Danish company Haldor Topsoe has also unveiled plans to build a 500 MW plant to produce high-efficiency, high-temperature solid oxide electrolysers.

We draw a conclusion. European and world energy will gradually switch to hydrogen «rails». # green hydrogen is becoming the mainstream of modern energy and industry. Today, the foundations are being laid for this, in the form of the construction of factories for the production of electrolysis equipment. # natural gas in this case will eventually become only one of the «hydrogen carriers». Well, the spheres of application of hydrogen were mentioned at the beginning.


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electrolysis is a highly efficient electrochemical reaction that uses electricity to break down water (H2O) into its constituent elements, # hydrogen (H2) and # oxygen (O2). Electrolysis is considered “green” if electricity comes from renewable sources such as solar, hydro or wind power. In these cases, no greenhouse gases are emitted during the production of hydrogen, which makes it green hydrogen. If hydrogen is produced from natural gas, then that hydrogen is considered «gray». Electrolyzers are equipment that use electric current to separate water molecules into hydrogen and oxygen.