Waga Energy, upgrading Landfill Gas
into biomethane

Biomethane is renewable because it is produced from organic materials (waste, residues, and effluents) that are naturally replenished through the biological cycle. It is low-carbon because it is part of the short carbon cycle: the CO₂ released during its combustion corresponds to the CO₂ absorbed by biomass during its growth, unlike fossil natural gas, which releases carbon that has been stored underground for millions of years. It is carbon-neutral and helps avoid methane emissions, a particularly powerful greenhouse gas. Furthermore, by capturing methane generated from the decomposition of waste and converting it into a valuable energy source, its direct release into the atmosphere is prevented—a major benefit given that methane has a global warming potential approximately 80 times greater than that of CO₂ over a 20-year period.

Waga Energy’s solution delivers a double positive climate impact. First, it helps improve the capture of methane emitted by landfill sites. This prevents the release into the atmosphere of a gas whose global warming potential is approximately 80 times greater than that of CO₂ over a 20-year period. Second, it produces biomethane, which replaces fossil natural gas in gas networks and enables consumers to reduce their carbon footprint.

Waga Energy works with three main categories of partners. Upstream, landfill owners and operators provide the raw landfill gas. At the distribution level, gas network operators ensure the injection and transportation of biomethane through the gas grid. Downstream, offtakers—including industrial companies, energy providers, local authorities, and businesses committed to CSR initiatives—consume this renewable gas to reduce their carbon footprint (Scope 1 and Scope 2 emissions). This model creates a virtuous ecosystem in which each partner contributes to the local valorization of landfill gas and the decarbonization of energy.

WAGABOX® technology combines two processes: membrane separation to remove the CO₂ and impurities contained in the landfill gas, and cryogenic distillation to extract oxygen and nitrogen. This patented technology makes it possible to recover 90% of the methane contained in the landfill gas and to produce biomethane that meets the injection specifications of most gas network operators (>97% CH₄). It also adapts to the many variations in composition and flow rate that characterize landfill gas emitted by landfill sites.

Waga Energy operates under a BOO (Build-Own-Operate) model: the company finances, builds, owns, and operates its WAGABOX® units, assuming full technological and operational responsibility. The biomethane produced is injected into gas grids and marketed separately through long-term private agreements (BPAs, indexed-price contracts, or fixed-price contracts). Landfill owners receive either a royalty linked to biomethane production or a land lease payment, without having to make any investment or assume any operational risk.

Waga Energy develops biomethane production projects in partnership with public and private landfill operators. The company is present in Europe (France, Spain, Italy, and the United Kingdom), North America (the United States and Canada), and Brazil. Each project follows the same model: the installation of a WAGABOX® unit at an existing landfill site, the production of biomethane injected directly into the local gas grid, and its commercialization through long-term agreements. This approach transforms an underutilized local resource into renewable energy, contributing to the decarbonization of local communities and economies.

Commercial partnership agreements typically last 15 to 20 years, a duration aligned with both the landfill gas production cycle and the depreciation period of the WAGABOX® unit. This allows the landfill owner to benefit from a stable source of revenue without making any investment, while Waga Energy optimizes landfill gas recovery throughout the site’s productive life. Extension clauses may be included depending on the evolution of the gas resource.