“When you make crisps, you use potatoes that you need to peel. So there is lots of organic waste”
Christophe Chrétien, Director of the Sober anaerobic digestion unit in Morbihan
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Producing 20 million KWh of renewable gas from potato peel may sound mad. Nevertheless, this was the challenge that Altho-Brets overcame by installing an anaerobic digestion unit next to its crisps factory in Saint-Gérand, Morbihan. Its Director, Christophe Chrétien, gives a detailed account of the new life given to this waste.