How

Green hydrogen is produced through electrolysis with renewable power supply and can be a zero-emission production process.

Hydrogen is a viable marine fuel for vessels with short-distance voyages and fixed routes. Due to its relatively low volumetric energy density and need for high pressure or very low temperature to be compressed (350 bar) or liquefied (-253 degrees), it is challenging for larger distances and larger applications as well as for longer periods of storage.

Green ammonia is a natural next step and is an efficient energy-and-hydrogen carrier. Following the production of green hydrogen, nitrogen can be extracted from the atmosphere and reacted with hydrogen in an ammonia synthesis reactor, to produce green ammonia. Green ammonia has around 50% more energy per volume unit compared with hydrogen and can be cooled to -33 degrees to form a liquid, compared to hydrogen which requires -253 degrees to be liquified.  

North Ammonia will produce green hydrogen and ammonia at its Arendal plant, which will also include bunkering facilities at a designated jetty. Once running at full capacity, the annual production will be close to 100 000 metric tons of green ammonia per year, capable of replacing more than 100 000 tons of CO2 equivalents every year.