The Can Mata project is the first landfill gas injection project in Europe to be financed by a long-term Power Purchase Agreement (PPA)

Waga Energy, an innovative French company committed to the fight against climate change has been selected by Ferrovial Servicios group, a leading global service operator, to produce biomethane at the Can Mata landfill, one of Spain’s largest landfill, near Barcelona.

Waga Energy is expected to use its purification technology known as ‘WAGABOX®’ to recover landfill gas in the form of biomethane, a renewable substitute for natural gas.

The WAGABOX® unit at the Can Mata site would be commissioned in 2022.

A statement copied to, said the WAGABOX will treat up to 2,200 m3/h of landfill gas and inject 70 GWh of biomethane per year into the gas network of the Spanish operator Nedgia, which is equivalent to the annual energy consumption of 14,000 Spanish households or a fleet of 200 Lorries.

The statement said the project will avoid the emission of 17,000 tonnes of CO2 per year by substituting renewable gas for natural gas.

This is the first ever landfill gas injection project to be financed by a long-term power purchase agreement in Europe.

This method of financing is common for renewable electricity projects, but rarely used for green gas projects, generally unable to provide buyers with a competitive price over the long term.

“This first-ever “Biomethane Purchase Agreement” has been made possible thanks to the proven efficiency of the WAGABOX® technology, combined to Waga Energy’s unique expertise in the management of landfill biogas injection projects, and Ferrovial Servicios’ experience of more than 50 years in the treatment and recovery of waste,’’ the statement said.

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Per the business model adopted by the two partners Waga Energy will purchase part of the landfill gas from the Can Mata site from Ferrovial Servicios, finance the construction and operation of the WAGABOX® unit, as well as manage relations with the gas network operator and the sale of the biomethane.

Waga Energy would also be required to invest 7.5 million euros to commission the unit and connect the Can Mata site to the Nedgia gas grid, located four kilometers away.

Antonio Aliana, Regional Director of Ferrovial Servicios in Catalonia, said: “The agreement signed with Waga Energy strengthens Ferrovial’s commitment to sustainable development. This circular economy project will make it possible to produce biomethane, for the benefit of our citizens, thanks to the most advanced technology for the recovery of biogas from waste gas. We hope that this innovative green energy project will be extended to other sites that we operate, as part of our strategy to transform waste into resources”.

Mathieu Lefebvre, CEO and co-founder of Waga Energy, concluded: “This significant project with the Ferrovial Servicios group marks the culmination of three years of hard work by both parties. Landfill gas-to-biomethane injection projects are complex from a technological, regulatory, and financial point of view. Our unique expertise in this area, combined to our commitment to the energy transition, has enabled this major renewable gas project in Spain to materialize.”



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