Cryogenic module installed at Mallard-Ridge landfill site in Delevan (Wisconsin) operated by Air Liquide.


Air Liquide, a world leader in gases, technologies, and services for industry and health, ordered three cryogenic distillation modules from Waga Energy for two Renewable Natural Gas (RNG) production plants under construction in the United States. The cryogenic distillation modules, which integrate a patented Waga Energy technology, will be connected to membrane filtration units manufactured by Air Liquide.

The first cryogenic distillation module has already been delivered at the Mallard Ridge landfill site in Delevan (Wisconsin) and the two other cryogenic modules will equip a RNG production plant under construction at the Winnebago landfill site (Illinois).

The cryogenic distillation modules are the same as the ones used in the large capacity WAGABOX® units under construction at a Veolia-operated landfill near Paris, France and the d’Enercycle landfill in Saint-Étienne-des-Grès, Canada.

Waga Energy CEO and cofounder Mathieu Lefebvre said, « We are thrilled to be supporting the development of RNG with Air Liquide. An effective alternative to fossil-based natural gas, RNG can help transition our energy systems toward greater sustainability. We have a very strong relationship with Air Liquide. The Group has been by our side since Waga Energy was founded in 2015 and is our main shareholder through its venture capital arm ALIAD ».

Download press release