Synergie Environ project manage £3million Inver House Distillers AD Plant build

As specialist engineers in the AD field we are project managing this installation at Balmenach through all feasibility, planning, permitting, procurement and construction phases.  Managing Director Uisdean Fraser commented: ‘We have a long-established working relationship with Inver House Distillers and have worked hard with the management team over a number of years to help this exciting AD project come to fruition. I commend the Inver House management team for their forward thinking and vision and we are delighted that they chose us to lead the project from outline concept through all development stages to the current construction delivery phase.  We believe the project will deliver a malt whisky distillery which is powered entirely from renewable energy sources with the on-site combination of biomass for the primary heat source and electricity from the CHP powered by biogas from the anaerobic digestion plant.’

Balmenach, one of Speyside’s oldest whisky distilleries and the home of Caorunn Scottish Gin, is set to become one of Scotland’s greenest distilleries with the announcement this week that work has started on a £3 million biogas project to significantly reduce the site’s carbon footprint.

Inver House Distillers has commissioned a new anaerobic digestion system, which breaks down the co-products of whisky production using micro-organisms to produce clean, methane-rich biogas to power the site. 

The new technology will integrate with Balmenach’s existing wood-pellet biomass boiler, and once complete, the combined system will generate enough renewable steam and electricity to meet 100 per cent of the Distillery’s energy requirements with a surplus of electrical energy supplied to the grid.

When operational in summer 2018, approximately 130m3 of whisky co-products (pot ale and spent lees) will be processed to produce 2,000m3 of biogas each day, feeding a combined heat and power engine which will supply 200kW of power and 230kW of heat.

Located near Grantown on Spey and one of Inver House Distillers five malt whisky plants, Balmenach is on track to produce 2 million litres of whisky for the blended Scotch market in 2018. The site is also the home of Caorunn, one of the fastest growing Scottish gin brands.

As well as the benefits of reduced emissions, improved energy efficiency and reduced operational costs, Balmenach’s use of these technologies will significantly reduce heavy goods vehicle movements from its remote location in the Spey Valley. The new system will also return clean water to the nearby burn, and nutrient rich bio-solids to the land for barley farming in the Speyside region. 

Commenting on the investment, Inver House Distillers’ Managing Director Martin Leonard said: ‘Inver House Distillers was an early champion of green distilling in Scotland, and sustainability and consideration for the environmental impact at each of our sites is at the heart of our business strategy. With this new investment at Balmenach we are using the very latest technology to further that commitment, working with the best partners in the business to help us achieve our environmental goals. It’s an exciting step in our journey and one that we know is recognised and appreciated, not just by the communities surrounding our distilleries, but by the drinkers around the world who enjoy our premium spirits.  We also hope this investment will demonstrate how low carbon manufacture and clean growth are achievable, regardless of the size, location or output of the production site.’

Clearfleau, the specialist provider of on-site biogas plants for the food and drink industry, is working with Inver House to design and build the new system. Balcas operates the existing biomass steam system at Balmenach, which uses brites wood pellets produced from home grown Highland timber local to the Distillery to produce zero carbon steam for the Balcas system. In the past 2 years since installation, it has enabled Balmenach to reduce its carbon footprint by 10,000 tonnes.

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