Disclaimer: Disclaimer: Please note that the author (Paul Coquant) & related entities are long on WAGA Energy, SA (entry price of €12 to €22 per share). While he remains confident in the thesis presented here, he may adjust this exposure at any time based on market conditions. This article represents his personal opinion and should not be viewed as investment recommendations.
Introduction: Waga Energy business, history and management team
Waga Energy has built the world’s leading proprietary platform for converting landfill gas into grid-quality biomethane. Founded in 2015 in Eybens, France, by Mathieu Lefebvre (CEO), Guénaël Prince (Co-founder and R&D Director), and Nicolas Paget - all former engineers at Air Liquide - the company commercialised a technology developed over a decade inside Air Liquide’s advanced technologies division. The WAGABOX, a modular, container-based purification unit combining membrane filtration with cryogenic distillation, upgrades raw landfill gas into 98%-pure, grid-compliant renewable natural gas (RNG) regardless of the gas’s nitrogen and oxygen content. This unique technical capability is the fundamental source of Waga’s competitive moat.
From its first commissioned unit at a Paprec landfill in Saint-Florentin in February 2017, the company has scaled to 35 operating units and 19 under construction as of early 2026, producing 674 GWh of RNG in 2025 - a 17% year-on-year increase - across France, Spain, Canada, and the United States. Its commercial pipeline stands at 213 projects representing approximately 17.4 TWh of annual potential. In June 2025, EQT Transition Infrastructure acquired a controlling stake at €21.55 per share - a 27% premium to the prior-day close and a 70% premium to the three-month VWAP - valuing the company at €534 million.
1. An infra-like business supported by a strong technological moat
A. Unit economics: strong revenue dependency to green energy incentives and limited operating expenses
The WAGABOX business model is built on a dual-contract structure that converts two long-term bilateral agreements into a predictable, infrastructure-like cash flow stream. Waga bears 100% of the capital expenditure and operational risk; the landfill operator contributes nothing financially while receiving royalty income on production. This investor-operator architecture is the principal reason EQT’s Transition Infrastructure strategy identified Waga as a fit for its portfolio of contracted renewable infrastructure assets.
France: a medium-capacity unit (c.25 GWh/year)
A typical French WAGABOX unit on a medium-capacity landfill requires approximately €6 million in upfront capital, entirely financed by Waga, amortised over 25 years. Revenue is generated under a 20-year Biomethane Purchase Agreement (BPA) and splits across four components. The underlying TTF-linked gas price contributes roughly €30/MWh (30% of revenue). The state-backed écart de rémunération - the guaranteed purchase tariff under the S19 mechanism - adds €50/MWh (50% of revenue) for sites producing under 25 GWh per year, providing a fixed floor for 15 years that is immune to revision. Guarantee of Origin (GO) certificates, auctioned via the European energy exchange, contribute approximately €14/MWh (14%), and Proof of Sustainability (ISSC) premiums add a further €6/MWh (6%). Total blended revenue is approximately €100/MWh, generating €2.5 million per year at 25 GWh output.
On-site operating costs are modest: electricity consumption for the cryogenic process (roughly €14/MWh, or 14% of revenue), royalties to the landfill operator (€12/MWh, 12%), on-site maintenance (€4/MWh, 4%), and grid injection fees (€2/MWh, 2%) sum up to approximately €800,000 per year. Allocated central overhead - including a pro-rata share of the remote operations centre, G&A, and commercial functions - adds €250,000. Project EBITDA therefore reaches approximately €1.45 million, a 58% margin.
A critical structural feature of the French unit is the split of its revenue: 64% derives from green incentives (guaranteed tariff + GO certificates + ISCC premiums) and only 36% from gas market prices.
Finally, equipment life is designed to exceed the 20-year BPA term: the CFO, Jean-Michel Thibaud, has stated that the underlying cryogenic-distillation equipment - drawing on Air Liquide’s industrial gas heritage - is expected to operate reliably beyond 25 years, enabling potential revenue upside in the future.
United States: a mid-large unit (c.160 GWh/year)
US units are materially larger in scale, capital intensity, and absolute profit than their French equivalents. A representative mid-large US landfill WAGABOX requires approximately $17.5 million in gross capital expenditure - covering not just the WAGABOX module but also civil engineering, gas collection upgrades, and grid connection piping that are typically excluded from the European capex figure. For projects commencing construction before 31 December 2024, the IRA Investment Tax Credit (ITC) of 30% reduced the net effective capex to approximately $12.25 million after monetisation. Waga completed its first ITC transfer in October 2025 at its Steuben County unit, realising net proceeds of approximately $3.8 million.
Revenue generation in the US is driven predominantly by the Renewable Fuel Standard’s D3 RIN credit system. At a production volume of approximately 550,000 MMBtu per year (roughly 160 GWh), the revenue stack includes: the gas value at c.3.00/MMBtu ($1.65 million, 20% of revenue); D3 RIN credits at c.2.25/RIN generating $4.57 million (55% of revenue); Low Carbon Fuel Standard credits applicable to California-bound projects of approximately $550,000 (7%); Environmental Attribute Certificates from voluntary corporate buyers worth $385,000 (5%); and methane abatement voluntary carbon credits of approximately $1.1 million (13%). Total blended revenue per unit reaches approximately $8.25 million per year, at an effective all-in rate of USD 15/MMBtu (approximately €139/MWh equivalent — materially above the French €100/MWh).
Operating costs are higher in absolute terms — electricity ($1.1m, 13%), landfill royalties ($1m, 12%), maintenance and on-site staff ($440k, 5%), RIN registration and brokerage costs ($165k, 2%), and pipeline interconnect fees ($165k, 2%) — totalling $2.75m. After allocated central overhead of $600k, project EBITDA reaches approximately $4.8m, again a 58% margin - consistent with the French unit margin.
The strategic insight from comparing both geographies is that they are complementary rather than substitutional. France provides stable, government-backed, 15-year guaranteed tariff floors that anchor group cash flows through any policy cycle. The US provides a far larger absolute profit opportunity per unit - with each US unit contributing the approximate revenue equivalent of 7 French units - driven by a regulatory credit market that is currently well-supported but subject to political risk. Under EQT’s ownership, both markets will be pursued simultaneously: France as the stable cash-generating base, the US as the primary growth engine. As the French portfolio matures beyond the 25 GWh threshold that qualifies for guaranteed tariffs, new French units increasingly rely on market-rate BPAs, making the stability contribution of the existing portfolio even more strategically important.
B. Powerful scientific moat supported by a growing track-record
The WAGABOX’s competitive differentiation rests on a two-stage gas upgrading process that addresses a fundamental limitation shared by all competing technologies: the inability to handle high-nitrogen landfill gas economically. Raw landfill gas - produced by anaerobic decomposition of municipal solid waste - typically contains 40% to 60% methane, with the balance comprising carbon dioxide (CO₂), nitrogen (N₂), oxygen (O₂), water vapour, and trace contaminants. As a landfill ages and ambient air infiltrates through the cover, nitrogen and oxygen concentrations fluctuate unpredictably, often reaching levels that render the gas unsuitable for grid injection under conventional upgrading technologies. This is why these gases are normally burnt to produce electricity, with a much lower energy efficiency ratio than Waga Energy technology.
Waga’s two-stage process begins with membrane filtration (Stage 1), which removes the bulk of the CO₂, producing a methane-enriched intermediate stream. This first stage is standard technology, widely available from competing providers. The critical differentiation lies in Stage 2: cryogenic distillation, which liquefies the gas mixture and exploits the different boiling points of methane (-161°C), nitrogen (-196°C), and oxygen (-183°C) to separate them with high precision, regardless of input nitrogen and oxygen concentrations. The output is a biomethane stream of 98%+ purity, meeting both European (EN 16723) and North American grid injection standards. This cryogenic stage was developed over more than a decade inside Air Liquide’s industrial gas division before being spun out with Waga. It is protected by multiple patents covering both the process architecture and the operational control software.
The competitive landscape for landfill-to-biomethane upgrading includes several alternative technologies, none of which offers a comparable combination of nitrogen tolerance, purity, and operational flexibility. Water scrubbing (pressure water scrubbing, or PWS) dissolves CO₂ in pressurised water; it is simple and widely deployed but cannot remove nitrogen, making it unsuitable for high-N₂ landfill gas. Pressure Swing Adsorption (PSA) uses adsorbent materials to separate CO₂; like PWS, it cannot handle high nitrogen without significant pre-treatment investment that erodes project economics. Chemical scrubbing (amine-based) is effective for CO₂ removal but is energy-intensive, struggles with nitrogen, and generates chemical waste streams requiring disposal - adding both cost and environmental complexity. Membrane-only systems can separate CO₂ efficiently but offer limited nitrogen rejection, typically achieving only 95–97% biomethane purity - insufficient for grid injection in most European markets without post-processing. Biological methanation (using micro-organisms to convert CO₂ and H₂ to additional methane) is a complementary, not competing, technology applicable mainly to anaerobic digestion feedstocks rather than legacy landfill gas.
Beyond technological differentiation, WAGABOX units are operationally exceptional. The units are fully automated, remotely supervised 24/7 from Waga’s centralised operations centre in Eybens, and monitored by more than 200 sensors generating approximately 300,000 data points per day. This proprietary operational dataset informs real-time performance optimisation and predictive maintenance algorithms that have enabled Waga to achieve an average availability rate of 95% across units in operation for more than 12 months in 2025 - a figure that compares favourably with conventional grid-connected gas infrastructure. The modular, container-based design standardises components across projects, reducing per-unit manufacturing costs through scale, and shortens commissioning timelines to 12–18 months from contract signature - a critical advantage in competitive project origination.
The scale efficiency of remote operations is perhaps the most compelling structural advantage Waga holds over single-project operators. As of 2025, the same operations centre managing 35 units can monitor 70 or 100 units with only modest incremental headcount - creating a powerful operating leverage dynamic. This is not a theoretical argument: in 2025, biomethane revenues grew 23% year-on-year while total headcount grew from approximately 219 to 268 - well below the revenue growth rate. The marginal cost of adding a new unit to the monitored fleet is a fraction of the unit’s incremental revenue contribution, driving an expanding EBITDA margin at the portfolio level as the fleet scales. Equipment life exceeding 25 years - beyond the 20-year BPA term - creates recontract optionality with near-zero incremental capital, effectively transforming a depreciated asset into a perpetual royalty stream at the end of the initial contract.
Finally, as the unit counts grow, the track-record built by Waga Energy in multiple geographies acts as a strong barrier to entry for incumbents: a landfill operator will rather choose a safe operator even if it costs them a few basis points in margin. It is too risky for them to choose a competitor who might face defects, more downtime or even potential explosion.
C. Waga Energy has a strong growth pipeline across multiple geographies
Current focus markets: France, United States, Brazil and Italy
France: Waga’s domestic market is the bedrock of its operating portfolio and cash flow stability. By early 2026, approximately 25 of the company’s 35 operating units are located in France, producing RNG under long-term BPAs with the guaranteed S19 tariff mechanism. The French landfill base - approximately 220 authorised landfills with significant gas production capacity - is concentrated in the hands of a small number of waste management operators: Veolia, Suez, Paprec, Semardel, and Pizzorno, as well as a large number of municipal authorities. Waga has established deep commercial relationships with all major operators and holds a structural first-mover advantage in the domestic market.
The French regulatory environment provides exceptional revenue predictability. The guaranteed tariff mechanism (S19 / écart de rémunération) provides a 15-year floor for facilities producing under 25 GWh per year; above this threshold, units must negotiate market-rate BPAs. The French biomethane market target under the Multi-Annual Energy Plan (PPE) was revised upward to 24 TWh by 2030, providing a long-term policy commitment that has attracted a growing universe of project developers. Waga’s French growth is increasingly focused on larger-capacity sites - above 25 GWh - where the guaranteed tariff does not apply, requiring Waga to demonstrate sufficient market confidence in long-term gas prices to underwrite BPA economics without a government floor. REPowerEU and RED III provide important European-level tailwinds, mandating biomethane targets across member states and maintaining regulatory certainty for the medium term.
United States: The US represents the primary growth engine for Waga under EQT’s ownership and the principal driver of the 17.4 TWh commercial pipeline. The structural opportunity is extraordinary: approximately 1,600 active landfills generate significant methane volumes, of which the EPA estimates 500–600 could be viable RNG upgrading candidates. The majority contain high-nitrogen gas - precisely the feedstock that conventional technologies cannot process and that WAGABOX is uniquely equipped to handle. Waga commissioned its first US unit at Steuben County, New York, in March 2024, and has since signed contracts in New York, California, New Jersey, Oregon, Maryland, Texas, and Florida. US landfills are predominantly operated by large publicly listed waste management companies - Republic Services, Waste Management Inc., Casella Waste Systems, and Clean Harbors - whose long-term concession frameworks make them ideal counterparties for 20-year supply agreements.
The financial mechanics of US projects are structurally compelling. The D3 RIN credit - worth approximately USD 2.25 per gallon of gasoline equivalent in 2025 - effectively multiplies the economic value of US landfill RNG to 4-5 times the underlying fossil gas benchmark. For the initial wave of projects commencing construction before 31 December 2024, the IRA’s 30% Investment Tax Credit further reduces effective capital intensity, improving payback from c.4.4 years to c.3.1 years. The pipeline of 213 projects worth 17.4 TWh is predominantly North American, reflecting Waga’s commercial development team’s focus on signing contracts across the US landfill operator universe.
Brazil: Waga launched its Brazilian subsidiary in early 2025, appointing an experienced country manager and beginning commercial development. Brazil represents the single largest untapped landfill RNG opportunity globally: approximately 2,500 active landfills - the world’s largest per-country count - generate enormous volumes of methane that is predominantly flared or uncontrolled. The Brazilian regulatory environment is increasingly supportive of RNG: the federal government’s RenovaBio programme assigns decarbonisation credits (CBIOs) to biofuel producers, and the biomethane market is developing rapidly under the influence of major waste operators including Estre Ambiental, Orizon Valoriza Residíduos, and the Brazilian subsidiary of Veolia. The presence of established French environmental service companies in Brazil provides Waga with a natural commercial entry path, leveraging existing corporate relationships from the French market.
Italy: Waga has secured its first two Italian contracts for WAGABOX units in Tuscany: at the CSAI Podere Rota landfill (expected commissioning 2026) and at the Scapigliato Rosignano Marittimo site (expected 2027). Italy is the second-largest European biomethane market after France, with the National Recovery and Resilience Plan (PNRR) earmarking significant support for renewable gas production. Italian landfills are operated by a mixture of municipal companies and private operators including HERA Group, A2A, Iren, and the Italian subsidiary of Veolia. The Italian regulatory framework provides biomethane incentive tariffs under the Ministerial Decree of 2023, which established a competitive auction mechanism broadly comparable to the French S19 system. Italy’s 10,000+ closed landfills - many of which continue to generate gas for decades after closure - provide an enormous long-term feedstock base.
New markets to explore: Australia, South Korea and Poland
Australia (Immediate: 2026-2027): The country has approximately 550 active landfills, with the 20 largest - including Cleanaway’s Lucas Heights facility and Veolia’s Woodlawn site - producing gas volumes sufficient for WAGABOX deployment. The Clean Energy Finance Corporation (CEFC) and the federal Safeguard Mechanism (which now requires top-emitting facilities to reduce Scope 1 emissions or purchase credits) create a strong economic self-financing case without requiring a formal RNG subsidy framework. Natural gas prices in Australia are among the world’s highest - the domestic gas price is approximately AUD 9–12/GJ - making the economic case for landfill RNG compelling even without mandated incentives. Veolia Australia provides an immediate commercial entry path via existing French corporate relationships.
South Korea (Near-term: 2027-2028): The country has approximately 260 active and post-closure landfills, with the massive Sudokwon Landfill Site - one of the world’s largest - operated by the government-owned Korea Environment Corporation (KECO). South Korea’s Renewable Portfolio Standard (RPS) mandates utilities to source a growing share of energy from renewable sources, and biogas is explicitly included in eligible technologies. The RPS credit value (RECs) for biogas is approximately KRW 130,000-150,000 per MWh, creating a blended revenue of approximately $130-140/MWh equivalent - superior even to the US economics on a per-MWh basis. Samsung C&T (environment division) and SK Ecoplant provide potential local operational partnerships, and Korea Gas Corporation (KOGAS) is an obvious anchor offtaker for grid-connected biomethane.
Poland (Medium-term: 2027-2029): With approximately 800 active and closed landfills and some of the largest per-capita landfilling rates in the EU, Poland offers a substantial feedstock base. The Oze Act supports biomethane production through auction mechanisms broadly comparable to the French S19 system, and the EU taxonomy for sustainable activities classifies landfill gas upgrading as an enabling technology for the low-carbon transition - creating access to Green Bond financing. Major operators include Remondis (German), Urbaser (Spanish), and Polish municipal companies such as MPO Poznań and ZGK Żorsk. Waga’s entry into Poland is complicated by lower operational maturity (less developed service infrastructure) but benefits from ENGIE Zielona Energia, SUEZ Polska, and Veolia Polska as natural commercial partners.
2. Waga Energy faces financial and execution risks, but they are limited
A. Dependency on green energy incentives in France and the United States
The most important risk for Waga’s growth trajectory is the regulatory environment for renewable energy in its two key markets. Revenue from green incentives currently represents 64% of French unit revenue and 80% of US unit revenue. Any material reduction in the value or duration of these incentives would directly impair the economics of both existing operating units and future project development.
The French guaranteed purchase tariff - the S19 / écart de rémunération mechanism - provides a fixed revenue floor for biomethane producers selling to the regulated grid. For Waga’s existing portfolio, the critical protection is that S19 contracts are bilateral, legally binding agreements between the producer and the state purchasing entity (EDF OA), signed for a 15-year term at inception. They are not subject to retrospective revision once signed. This is materially different from, for example, Spanish solar feed-in-tariffs, which were retrospectively cut in 2013 with severe consequences for project economics. Waga’s existing contracted revenue from France - embedded in the €400m contracted recurring revenue target by end of 2026 - is therefore substantially insulated from regulatory reversal.
The vulnerability is prospective rather than retrospective. As the French portfolio matures and new units are developed on sites producing above the 25 GWh per year threshold (which does not qualify for S19), new French units must be underwritten on market-rate BPA economics without a guaranteed floor. This is now the reality as Waga has largely exhausted the smaller French landfills that qualify for the S19 mechanism. Market-rate French BPA economics are feasible - driven by gas price levels, REPowerEU policy tailwinds, and corporate demand for verified biomethane - but they are inherently more sensitive to short-term gas price volatility than S19-protected units. A sustained period of low European gas prices (below c.€25/MWh on TTF) could render some prospective French projects uneconomic on a standalone basis, requiring Waga to cross-subsidise development from its stronger US pipeline.
The broader French policy environment remains supportive. REPowerEU mandated a 35 bcm biomethane production target for Europe by 2030, and the revised Renewable Energy Directive (RED III) created a 29% renewable energy target with specific biomethane sub-targets. France’s national PPE target of 24 TWh of biomethane by 2030 - revised upward from earlier targets - implies continued policy support for the medium term.
The US policy risk is more acute and more immediately relevant to Waga’s growth trajectory. The investment thesis for US expansion rests on two pillars: the Renewable Fuel Standard’s D3 RIN credit mechanism and the IRA’s 30% Investment Tax Credit. Both are subject to political risk under the Trump administration.
The IRA risk is partially ring-fenced for the initial wave of US projects. Waga has explicitly confirmed that all projects in its initial US wave commenced construction before 31 December 2024, making them eligible for the ITC under the existing legislative framework. EQT’s earn-out of up to €2.15 per share embedded in the take-private price is explicitly linked to the successful monetisation of these existing ITCs - indicating that both parties treated the protected pipeline as credibly insulated from legislative rollback. The first ITC monetisation at Steuben County in October 2025 (net $3.8m) confirms the mechanism is operational. However, for projects commencing construction after 31 December 2024, the ITC may no longer apply if the Trump administration successfully modifies or repeals relevant IRA provisions. New US projects must therefore be underwritten on D3 RIN economics alone, reducing levered project IRR from c.25–30% (with ITC) to c.18–22% (without ITC).
The Renewable Fuel Standard and its RIN credit mechanism are considerably more durable than the IRA credits. The RFS has been embedded in US energy policy since 2005 (expanded in 2007 under EISA) and enjoys broad bipartisan support, reflecting the agricultural biogas constituency that benefits alongside landfill RNG producers. However, the Trump administration has a track record of issuing small refinery exemptions that effectively reduce RIN demand, and the EPA’s volumetric targets for the cellulosic (D3) pathway are set through annual regulatory proceedings rather than legislation. A sustained compression of D3 RIN values below $2.00/gallon - driven by expanded exemptions or reduced volume mandates - would reduce US unit revenue by approximately $1.1m per year (at $0.25/RIN compression), reducing EBITDA margin from 58% to approximately 53%. This is manageable but could delay offtake contract negotiations in a market where landfill operators and utilities use current RIN prices as anchors for BPA pricing expectations. The “softer environment on US offtake contracts” described in Waga’s 2025 revenue release - resulting in only 6 new contract signatures versus 10 in 2024 - is consistent with this dynamic.
B. Important execution and market risks
Beyond the regulatory environment, Waga faces meaningful execution risks inherent to its capital-deployment model and market risks arising from the structure of its revenue streams. These risks are less binary than regulatory risk but are operationally more complex to manage and monitor.
Pipeline conversion risk
Waga’s financial trajectory toward sustained EBITDA profitability and beyond depends on the consistent commissioning of new WAGABOX units. The 12 to 18-months timeline from contract signature to revenue generation creates a lag that means near-term revenue is largely predetermined by historical contract-signing activity. The 2025 results - total revenue of €59.6 million, biomethane revenues of €52.8 million (+23% year-on-year) from the operating fleet, but only 6 new contracts signed versus 10 in 2024 - illustrate the structural tension. The operating fleet is performing well; the forward pipeline conversion is slowing. If the 2025 signing pace is maintained in 2026, the 2027 commissioning cohort will be smaller than 2026, creating a potential revenue growth inflection that could disappoint against the aggressive growth expectations implied in current valuation.
Pipeline conversion risk is also geographical. The 17.4 TWh commercial pipeline of 213 projects is overwhelmingly North American — the precise market where the US policy environment is creating “some hesitation” (Waga’s own language) in offtake contract negotiations. If D3 RIN prices remain subdued or IRA uncertainty persists, pipeline conversion rates in the US could remain below historical norms, extending the timeline to revenue realisation and increasing working capital requirements for commercial development activities.
Landfill gas variability and technical risk
Landfill gas variability is an intrinsic technical risk that WAGABOX’s cryogenic process partially mitigates but cannot eliminate. As a landfill site ages, the volume and quality of gas production changes: younger portions of the waste mass produce more gas; older portions produce less and at lower methane concentrations. WAGABOX’s cryogenic distillation stage provides a degree of resilience to feedstock variability that competing technologies do not offer - a significant operational advantage. However, if a landfill’s gas production declines more rapidly than modelled - due to accelerated waste stabilisation, changes in waste composition, or operational failures in the gas collection system - unit output falls short of contracted production targets, reducing revenue and potentially triggering BPA volume shortfall clauses. Waga’s 95%+ availability rate reflects technical unit performance (mechanical uptime) rather than feedstock quality; the latter is a site-specific variable managed through long-term supply agreement terms but ultimately dependent on the natural gas generation profile of each landfill.
Capital intensity and balance sheet management under EQT
Each WAGABOX unit requires between €6m (France) and $17.5m (US) in upfront capital, entirely borne by Waga. At 35 operating units and 19 under construction, the embedded capital base is already substantial. Scaling to 100+ units - required to approach the 17 TWh pipeline - implies aggregate capital deployment of €800 million to €1.5 billion over a 5 to 10 year period. Under EQT’s ownership, Waga is no longer capital-constrained in the manner it was as a listed mid-cap company: EQT Transition Infrastructure Fund I has commitments in excess of €5bn and has made capital availability a core part of the strategic rationale for the acquisition. However, the deployment of this capital at scale creates balance sheet risk if project economics deteriorate (due to policy changes) or commissioning timelines extend (due to supply chain or permitting delays). The non-recourse project financing model - under which Waga can structure individual project debt at the unit level, insulating the corporate balance sheet from individual project failure - provides a meaningful risk mitigation mechanism.
Market risk: gas price correlation and offtake renegotiation
Despite BPA protection, Waga retains residual gas price correlation risk on two dimensions. For new BPA negotiations, prevailing gas prices anchor the reference price embedded in long-term contracts: a sustained low-gas-price environment (below €25/MWh TTF), currently very unlikely due to the ongoing LNG production capacity destruction in Qatar & Iran, compresses BPA pricing for new units and reduces the overall economic attractiveness of biomethane relative to fossil gas alternatives, potentially lengthening sales cycles. For existing units on market-rate BPAs (i.e., those above the 25 GWh threshold in France and US units on negotiated offtake), contract renewal and renegotiation at term are exposed to the prevailing gas market at that time. In a scenario where European gas prices fall structurally - driven by full LNG import diversification or accelerated demand destruction from electrification - the revenue trajectory of Waga’s post-2030 recontract cohort could be materially lower than current models assume.
C. Technological theft risk from Chinese competitors
The risk of Chinese industrial competition and potential intellectual property theft is a systemic risk for all Western deep-tech companies operating in cleantech sectors, and Waga Energy is not immune. The WAGABOX’s cryogenic distillation process represents the most significant piece of proprietary technology in the global landfill-to-biomethane sector, and its attractiveness as a target for industrial espionage or reverse engineering increases as the global biomethane market grows.
China’s Industrial Gas Sector and Competitive Dynamics
China is the world’s largest industrial gas market and has demonstrated a systematic ability to develop competitive alternatives to Western proprietary technologies across multiple sectors, including solar PV, wind turbines, lithium-ion batteries, nuclear energy and more recently, electrolysers for hydrogen production. Chinese companies - including Hangyang Group, Kaifeng Air Separation, and the state-owned enterprise HNEC (Henan Energy & Chemical Group) - have developed increasingly sophisticated cryogenic gas separation technologies for their domestic industrial gas market. The step from industrial gas cryogenics to landfill gas upgrading is technically non-trivial but not insurmountable for organisations with substantial R&D resources and state backing.
The risk is not primarily one of head-on competition in Waga’s existing French and US markets in the near term - Chinese industrial gas companies are not currently targeting European or North American landfill RNG projects, where local partnerships, regulatory compliance, and operational track records are prerequisites for winning contracts. The risk is longer-term and operates through two channels. First, Chinese competitors could develop a competing high-nitrogen landfill gas upgrading technology - potentially using reverse-engineered WAGABOX components or process architectures obtained through third-party channels - and deploy it aggressively in emerging markets (particularly Southeast Asia and the Middle East) where Waga’s first-mover advantage is less established. Second, as Waga expands into Asia (particularly South Korea), it enters markets where Chinese industrial equipment suppliers are often the default reference, creating procurement pressure on local landfill operators to source equipment locally or from lower-cost Chinese alternatives.
IP Protection and Mitigation Strategies
Waga’s patent portfolio covers both the process architecture and the operational control software of the WAGABOX. Patents are filed internationally under the PCT system, providing protection in all major markets where Waga currently operates or plans to operate. However, patent protection in China is notoriously difficult to enforce: Chinese courts have historically been reluctant to uphold foreign IP rights in disputes involving Chinese defendants, and the practical enforceability of Waga’s patents against a Chinese state-backed competitor would be limited.
The most durable protection against technological replication is not legal but operational: Waga’s 300,000 data points per day proprietary operational dataset - accumulated across 35+ units over 8 years of commercial operation - cannot be copied or reverse-engineered. This dataset informs the predictive maintenance algorithms and real-time optimisation software that underpin the 95%+ availability rate. A Chinese competitor who reverse-engineers the physical hardware would still lack the operational intelligence to replicate Waga’s performance metrics, creating a durable operational moat that complements the legal IP protection. Additionally, the critical partnership ecosystem - relationships with Veolia, Suez, Paprec and other major waste operators built over a decade - creates switching costs that are difficult for a new entrant to overcome regardless of cost position.
EQT’s ownership strengthens Waga’s IP protection capabilities. EQT’s portfolio companies are likely to have access to specialist litigation resources that were beyond Waga’s reach as a small-cap listed company. Furthermore, EQT’s global infrastructure of portfolio company management provides intelligence on competitive developments in Asian markets that would not have been available to Waga’s relatively small commercial team operating from Eybens. The acquisition effectively provides Waga with institutional-grade IP defence capability commensurate with the strategic value of its technology estate.
3. Waga Energy, an infrastructure growth story supporting strong shareholder returns
A. Future revenue growth supported by efficient capital deployment
Waga’s financial trajectory since its first WAGABOX commissioning in 2017 is one of consistent, accelerating revenue growth driven by fleet expansion, with a cost structure that grows sublinearly relative to the revenue base. Total revenues grew from €7.1 million in 2022 to €55.7 million in 2024 and €59.6 million in 2025 - a compound annual growth rate of approximately 70% over three years - while EBITDA moved from deeply negative to breakeven in the course of 2025, confirming the operating leverage thesis. Biomethane revenues - the operating segment - grew 23% in 2025 to €52.8 million, while construction revenues (project delivery fees) declined as Waga prioritised longer-term operating units over one-time project fees. The revenue growth is extremely predictable, as it seems to be lagging “contracted revenues” by about 30 months (e.g., contracted revenue of €46.0m in S1 2022 and €46.0m in S2 2022, €48.8m annualized revenue from biomethane in S2 2024 and €51.0m in S1 2025). Given that the contracted revenue was €197m as of S1 2025 and is now €215m (as of S2 2025), and the management expects to reach revenues of €200m by end of 2027, this relationship seems to be stable.
Another important financial dynamic is the interaction between fleet scale and fixed overhead. Waga’s central cost base - the remote operations centre, G&A, commercial team, R&D, and engineering support - is largely fixed relative to the number of units in operation. With 35 operating units in 2025 and a growing fleet, the allocated overhead per unit declines as additional units are commissioned: the same Eybens operations centre that monitors 35 units requires only marginal additional cost to monitor 70. This sublinear cost growth relative to revenue growth creates an expanding EBITDA margin at the portfolio level. Management had guided to EBITDA breakeven in 2025 - a target that the 2025 results confirmed was achieved - and EBITDA is likely to reach €20-30m by 2027 as the 19 units under construction as of early 2026 are progressively commissioned.
Under EQT’s ownership, capital constraints that previously limited Waga’s deployment rate are effectively removed. As a listed mid-cap company, Waga’s access to capital for unit construction was bounded by its balance sheet and its ability to raise equity or debt in public markets. The strategic implication is that the bottleneck on Waga’s growth rate is no longer capital - it is the pace of commercial pipeline conversion (contract signing), permitting, and unit construction. EQT’s operational resources and network can accelerate commercial development (through introductions to waste management companies in EQT’s portfolio company ecosystem) and permitting (through local political relationships and specialist regulatory advisory resources).
The capital efficiency of Waga’s operating model is exceptional relative to other renewable energy infrastructure businesses. A wind farm or solar park requires capital of €1-2m per MW of installed capacity, generates revenues only at market-clearing electricity prices (increasingly negative at peak times in European markets), and has no proprietary technology to protect its economics. A WAGABOX unit requires capital of €5-20m (depending on size and geography), generates revenues under long-term BPAs at €80-€140/MWh equivalent, maintains 95%+ availability, and is protected by a patented technology with no substitute that can handle high-nitrogen feedstocks. The result is a project-level EBITDA margin of 58%.
B. The long-term case: a 17 TWh pipeline and €200m+ in contracted recurring revenue
The long-term investment case for Waga Energy is anchored by the commercial pipeline: 213 projects representing approximately 17.4 TWh of annual potential production, the overwhelming majority in North America. This pipeline figure is not a theoretical market opportunity but a pipeline of identified, signed, or advanced-stage commercial negotiations with specific landfill operators and specific sites. Converting even a fraction of this pipeline into operating assets would transform Waga from a mid-size European biomethane producer into a global RNG infrastructure platform of genuine scale.
To contextualise the scale of the opportunity: Waga’s 35 operating units in early 2026 produce approximately 1.4 TWh annually and generate annualized revenues of €55m. The 17.4 TWh pipeline represents more than 12 times the current operating capacity, implying potential revenue of €500m to €600m annually at current average revenue rates - a transformation in scale comparable to the growth of Neoen from a French solar company to a multi-gigawatt global developer in the decade following its listing. At a 58% EBITDA margin, this implies group EBITDA of €290m to €350m - a figure that would attract infrastructure-quality valuations in the range of 15-20x EBITDA, implying enterprise value of €4.3bn to 7.0bn.
The global landfill base provides the foundation for a multi-decade growth narrative beyond even the 17 TWh identified pipeline. Municipal solid waste landfilling will continue for decades: even under the most aggressive European circular economy scenarios, the EU generates approximately 240 million tonnes of municipal solid waste annually, of which approximately 150 million tonnes (62%) ultimately reaches some form of disposal including landfilling. In the United States, approximately 150 million tonnes of municipal solid waste are landfilled annually. Globally, the IEA estimates that landfill methane represents approximately 8% of total global methane emissions - the equivalent of approximately 800 million tonnes of CO₂ equivalent per year. Converting even 20% of accessible global landfill gas to RNG would represent a multi-hundred-TWh opportunity.
The Brazil opportunity alone could rival the entire US pipeline. Brazil’s approximately 2,500 active landfills - many of which are large, urban, and gas-rich - are predominantly uncontrolled methane emitters in an economy that is rapidly building out its RNG regulatory framework. Waga’s 2025 entry into Brazil, with an experienced country manager and preliminary commercial development activity, positions it as a first mover in a market where French environmental service companies (like Veolia Brazil) provide natural commercial bridges. The Brazilian carbon market (Sistema Brasileiro de Comércio de Emissões, or SBCE, under development) and the RenovaBio CBIO credit system provide the financial architecture for RNG monetisation in a market where domestic gas prices alone may not fully support project economics.
C. An infrastructure growth story that mirrors Neoen and GreenYellow
The most instructive precedents for Waga Energy’s investment rationale are not other biomethane companies - they are the French solar platform businesses that dominated the first decade of the European energy transition. Neoen and GreenYellow are good examples. Each began as a French-subsidy-anchored business: low risk, contracted revenues, limited upside. Each subsequently transformed into a multi-geography infrastructure platform through the combination of proprietary capability (technology or development expertise) and access to international growth markets. The parallels with Waga are structural rather than coincidental.
Neoen: the French solar-to-global playbook
Neoen was founded in 2008 and listed on Euronext Paris in October 2018 at a market capitalisation of c.€1.5bn. Its initial French solar portfolio - built on CRE (Commission de Régulation de l’Énergie) auction-based feed-in contracts broadly analogous to Waga’s S19 tariff mechanism - provided the contracted revenue foundation from which Neoen accessed international capital markets. By 2019, Neoen had expanded into Australia (where it built the Hornsdale Power Reserve, the world’s largest battery at the time), Finland (wind), El Salvador (solar), and Zambia (solar). Each international market entry followed the same pattern: a long-term contracted revenue basis with a government off-taker or equivalent, backed by French project development expertise adapted to local conditions. By the time of its acquisition by Brookfield at a €6.1bn price tag in 2024, Neoen had grown revenues from approximately €150m at IPO to approximately €500m, with contracted capacity growing from 1.7 GW to over 8 GW.
The structural analogy with Waga is precise. Both companies began with a French-government-backed revenue mechanism that provided predictable, low-risk cash flows. Both have a proprietary capability (Neoen’s project development expertise with co-located storage; Waga’s cryogenic distillation technology) that creates a barrier to competition that conventional project developers cannot easily replicate. Both have expanded internationally using their French domestic portfolio as a credibility anchor. And both attracted major infrastructure capital - Neoen from AustralianSuper (which owned 15% by 2023) and ultimately Brookfield, and Waga which is now controlled by EQT Infra.
GreenYellow: the French energy services model
GreenYellow, the Groupe Casino renewable energy subsidiary spun out in 2020, offers a complementary precedent with an even closer model analogy. GreenYellow’s business is built around distributed solar PV installations on commercial and industrial client sites in France and overseas markets (the French Caribbean, Latin America, Africa), with a long-term power purchase agreement with the client providing the revenue anchor - a model similar to Waga’s landfill supply agreement / biomethane purchase agreement dual-contract structure. GreenYellow entered its international markets by leveraging Groupe Casino’s existing commercial real estate footprint - fairly similar as Waga which could leverage its relationships with French waste management companies (Veolia, Suez, Paprec) in international markets where those operators are also present. By 2025, GreenYellow had grown to 1.5 GW of installed capacity across 12 countries and revenues of approximately €180 million.
The private equity ownership model is also directly comparable. GreenYellow was majority-acquired by Ardian in 2022, providing growth capital to accelerate international expansion beyond what the Groupe Casino balance sheet could support - exactly as EQT’s take-private of Waga provides more flexible growth capital. In both cases, the strategic rationale is identical: a proven domestic platform with a scalable business model, constrained by access to capital rather than by market opportunity, with international growth options that dwarf the domestic base.
The Waga story: a 10-year lag on Neoen trajectory
Assuming the number of Wagabox keep growing at a rapid rhythm and capital deployment drastically increase under EQT ownership, there is a strong case for Waga Energy to reach between €150m and €200m in annualized revenues by the end of 2027. Looking further ahead, the 2033 revenues will probably be between €500m €600m. This 16-year timeframe between launch and portfolio maturity for Waga Energy (2017 – 2033) is the same as Neoen’s until Brookfield acquisition (2008-2024). The 5 to 6-year lag from €150m in annualized revenues (2018 for Neoen, around mid-2027 for Waga) to €600m (2024 for Neoen, 2032-2033 for Waga Energy) makes the trajectories even more similar.
This makes the exist scenarii for EQT extremely predictable: Waga Energy is very likely to be sold to a large-scale infrastructure investor between 2031 and 2034, at a price ranging from €4.0bn to €7.0bn.
Using the historical cost of the current operating portfolio (€126m of gross tangible fixed assets for a capacity of 1.5 TWh of annual potential production as of S1 2025) and considering that inflation will be counterbalanced by scale effects, the additional capex required to develop the 17 TWh portfolio is about €1.4bn. This means that EQT is on track for a 3x unlevered multiple of money on a 6 to 8 years’ time horizon, representing an unlevered IRR largely above 15%, and very likely above 20%.
Conclusion: Waga Energy is an infra-like business whose growth offer substantial upside to investors without nearly any downside risk
The macroeconomic environment for WAGABOX deployments has rarely been more compelling. The supply disruption to LNG markets induced by the Iran conflict has sharply curtailed the gas supply available to import-dependent economies, structurally elevating domestic gas prices and the economic case for locally produced RNG. This is particularly acute in markets such as South Korea and Italy, where the absence of local gas production makes any domestically sourced substitute a strategic priority rather than a discretionary investment. Combined with the depth of the US landfill base and the RFS credit framework, the conditions are in place for an acceleration in WAGABOX signings.
Waga’s technological moat is wide, and — critically — it is self-reinforcing. Every additional unit commissioned adds to a proprietary operational dataset and a track record of zero catastrophic failures that prospective landfill owners increasingly demand before awarding a 20-year supply agreement. This is the same dynamic that cemented GTT’s dominance in LNG containment: once a technology accumulates enough vessel-years of incident-free operation, the incumbent’s track record becomes an insurmountable barrier that no new entrant can shortcut with capital or engineering talent alone. Waga is building that same irreplaceable proof base.
The return profile for Waga’s shareholders is asymmetric. The downside is substantially bounded by the infrastructure-quality nature of the asset: a portfolio of 20-year contracted cash flows with 95%+ availability and 58% EBITDA margins, and €200m of annualised recurring revenue by 2030 (bear case) will not trade to zero, regardless of near-term macro conditions. The upside, by contrast, is directly and non-linearly tied to the pace at which the 17 TWh commercial pipeline converts into operating units - a conversion that EQT’s unconstrained capital and operational resources are now positioned to accelerate materially. In a business where the technology works, the contracts are signed, and the capital is available, execution is the only remaining variable. That is a rare and enviable position.