Hydro cuts 20,000 tonnes of CO2 per year using biomethane

London, 30 August, 2023, (Oilandgaspress) – Bioenergy can replace fossil energy in the casthouse and the anode production at the Sunndal aluminium plant. This will cut emissions by 20,000 tonnes of CO2 each year and an example of Hydro taking another step towards zero-carbon aluminium.

“Since 1990, we have reduced greenhouse gas emissions in Norway by 55 percent. We are now taking another step towards zero-emissions. Replacing fossil energy with bioresources opens up new opportunities for decarbonization at our aluminium plants,” says Ola Sæter, Head of Hydro’s primary aluminium plants.

Hydro has signed a letter of intent with Havila to purchase biomethane from local plants to be built in Møre og Romsdal. The agreement is conditional on Havila receiving Enova support for the construction of a biomethane plant and that this is carried out.

“This is a very exciting project. The collaboration with Havila enables us to use local, sustainable bioresources to replace fossil fuels and cut emissions from our production. If the biomethane plant comes into place, the introduction of biomethane at Hydro Sunndal can start during 2024,” says Sæter.

Hydro Sunndal plans to replace 70 percent of the natural gas used at the smelter with biomethane. This will be an important step for the aluminium plant, at the same time as learnings from the project can be transferred to Hydro’s other aluminium plants.


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