Green Hydrogen Yara and Linde to build a 24 MW Green Hydrogen Demonstration Plant

Source: Press release

Yara has signed a contract with Linde Engineering for the construction and delivery of a green hydrogen demonstration plant at Yara’s ammonia production facility at Herøya Industripark in Porsgrunn, Norway.

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Yara’s ammonia plant at Herøya Industripark in Porsgrunn, Norway.
Yara’s ammonia plant at Herøya Industripark in Porsgrunn, Norway.
(Source: Yara)

Oslo/Norway – The project will be realized by water electrolysis which will produce green hydrogen to partially replace the hydrocarbon-based hydrogen production in Yara’s plant, using proton exchange membrane (PEM) technology. This will be the second 24 MW PEM electrolysis plant designed and constructed by Linde Engineering; the first is now being built at the Leuna Chemical Complex in Germany.

The plant will have an annual capacity of around 10,000 kg/day of hydrogen. It will replace ethane as raw material in production, thereby reducing 41,000 tonnes of carbon dioxide emissions annually, the same amount as emitted by roughly 16,000 passenger vehicles.


The electricity will be delivered from renewable energy sources and will provide enough hydrogen to produce 20,500 tonnes of ammonia per year which can be converted to between 60,000 and 80,000 tonnes of green fertilizer, roughly five times the annual production of food grade wheat in Norway. The project will be Yara’s first step towards decarbonization of the ammonia industry.

Yara will in addition to Linde work with a significant number of local suppliers in the Grenland region on this project. This will contribute to creating new jobs and build valuable competence and experience for the green transition locally.

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