Celtic Renewables, the breakthrough Scottish green chemicals firm, has secured £16.23 million in public and private funding to scale its production of high-demand green chemicals.
The funding comprises £5 million in new investment from Scottish Enterprise, Scotland’s national economic development agency, and £5 million from Celtic’s existing private investors, alongside £6.23 million from the Grangemouth Just Transition Fund that was awarded by the Scottish Government in December.
The latest investment was announced by Scotland’s Secretary for Climate Action and Energy Gillian Martin on a visit to Celtic Renewables’ biorefinery at Grangemouth today.
Celtic Renewables will use the fresh investment to fund the planning and development of a new £120 million industrial-scale biorefinery at Grangemouth with 10x the production capacity of the company’s current facility.
Celtic currently operates a commercial demonstrator biorefinery at Grangemouth. It uses ABE fermentation to produce bio-acetone, bio-butanol, and bio-ethanol from locally sourced waste and by-products including pot ale from whisky distillation and rejected potatoes.
Scotland’s Secretary for Climate Action and Energy Gillian Martin said: “This investment is a clear demonstration of our commitment to securing a just transition for Grangemouth and ensuring the region remains at the heart of Scotland’s low‑carbon industrial future.
“Celtic Renewables is an outstanding example of the innovation and ambition that is driving our move towards net zero, and this further investment by Scottish Enterprise will help the company scale up, create high‑quality jobs and build new skills for the local workforce.
“During Scottish Apprenticeship Week, it is also particularly important to highlight how this package – including new support for pathways into employment – will open up opportunities for people across the area. By backing pioneering technologies and investing in our future workforce, we are laying the foundations for a more sustainable, resilient and prosperous Grangemouth.”
Celtic Renewables CEO Mark Simmers added: “Our demonstrator facility in Grangemouth is Scotland’s first biorefinery and has been operational since 2023. In that time, we’ve proven that our patented ABE fermentation process is scalable and commercially viable, de-risking future projects.
Scottish Enterprise Chief Executive Adrian Gillespie commented: “Celtic Renewables is a great example of how Scottish innovation and tenacity can transform a concept into a strong commercial opportunity with significant scaling potential. We’ve supported the company’s growth ambitions since 2011, and it’s pleasing to see their first operational demonstrator plant here in Grangemouth as well as hearing they’re accelerating their plans for a full-scale biorefinery, which will create high-quality jobs.”
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