Whisky by-products to feed new Grangemouth algae omega-3 facility

by
Editorial Staff

MiAlgae expects the Grangemouth plant to increase DHA output by more than tenfold when it starts up in early 2026.

MiAlgae has started construction of a commercial-scale production facility in Grangemouth, Scotland, aiming to expand output of microalgae-derived omega-3 (DHA) for aquaculture and pet nutrition.

The company said the site is expected to be operational in early 2026 and increase production capacity by more than tenfold, using a fermentation process that upcycles by-products from the whisky industry.

The project is supported by up to £3 million ($4.0 million) of public funding, described by UK government statements as part of efforts to position Grangemouth as a hub for low-carbon technologies and associated employment.

MiAlgae has said the facility will be able to recycle more than 36 million litres of whisky by-products annually and, at full scale, support “hundreds” of jobs across biotechnology, engineering and production, without disclosing a detailed hiring plan or capital expenditure for the build.

The development sits alongside wider public-sector initiatives linked to Grangemouth’s industrial transition, including a UK government commitment of £14.5 million ($19.3 million) for local investment and Scotland’s £25 million ($33.3 million) Grangemouth Just Transition Fund. UK government announcements have also referenced a £200 million ($266 million) National Wealth Fund package for Grangemouth-related regeneration.

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