“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

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.

I’m a manufacturer, and I make biogas

Interview with Christophe Chrétien, Director of Altho-Brets

To go further

Teachers use anaerobic digestion to educate young people about greenhouse gases