Defossilisation vs Decarbonisation

CEWT Foundation Series Defossilisation vs Decarbonisation: Rethinking the Energy Transition Introduction Climate change is a global problem, yet most current solutions remain local, fragmented, and incremental. The dominant narrative today is “decarbonisation” — reducing emissions wherever possible. While important, this approach often works within an existing fossil-based system. A more fundamental question must be asked: Are we reducing emissions… or are we removing the root cause? This is where the concept of “defossilisation” becomes critical. Decarbonisation vs Defossilisation Decarbonisation focuses on lowering emissions: - Improving efficiency - Adding renewables to the grid - Applying carbon capture or offsets Defossilisation focuses on eliminating fossil inputs entirely: - Replacing fossil fuels in power, heat, and industry - Redesigning systems around renewable energy and closed loops - Treating carbon as a recyclable carrier, not waste In essence: Decarbonisation manages the symptom. Defossilisation addresses the cause. Why Climate Requires a Global System Approach Carbon dioxide does not respect borders. Once emitted, it mixes globally in the atmosphere. This means: - Local reductions do not equal global solutions - Fragmented actions cannot fully solve a systemic problem Today’s approach often involves distributed improvements: - Rooftop solar installations - Wind farms in select regions - Electrification of transport However, heavy industry, fuels, and continuous processes still rely heavily on fossil inputs. Limitations of the Current Renewable Strategy Renewables have scaled rapidly, but their deployment is often: - Distributed rather than systemic - Intermittent rather than continuous - Additive rather than transformative As a result: - Grids still rely on fossil backup - Industrial processes remain fossil-based - Energy systems remain structurally dependent on hydrocarbons This creates a gap between ambition and reality. Defossilisation as the Starting Point Defossilisation reframes the challenge: Can our energy and industrial systems operate without fossil inputs at all? This requires: - Continuous, firm renewable energy systems - Integration of energy, fuels, and industrial processes - Circular carbon systems where CO2 is reused rather than emitted It is not just about adding clean energy. It is about redesigning the system architecture. The Strategic Shift Current mindset: - Reduce emissions where possible - Offset what remains - Improve efficiency Defossilisation mindset: - Eliminate fossil feedstocks - Close carbon loops - Build systems that are inherently low-emission This is a shift from optimisation to transformation. Why This Matters Now We are entering a new phase of the energy transition: - Carbon pricing mechanisms like CBAM are becoming global - Energy demand is rising due to AI, electrification, and industry - Fragmented solutions are reaching their limits The next stage requires system-level thinking. Conclusion Renewable energy is essential, but its role must evolve. The question is no longer: How do we add renewables to the system? The real question is: How do we build a system that operates entirely without fossil inputs? Defossilisation represents this next step. It is not just a technical shift. It is a structural transformation of how energy, industry, and carbon itself are managed.

Why Carbon Recycling Technology (CRT) Is Structurally Superior for Green Iron Production?

Clean Energy and Water Technologies Pty Ltd (CEWT) ABN 61 691 320 028 | ACN 691 320 028 Technology Note Why Carbon Recycling Technology (CRT) Is Structurally Superior for Green Iron Production Date: March 2026 Prepared for: Government agencies, investors, industrial partners Overview Carbon Recycling Technology (CRT) enables zero-emission iron production by combining hydrogen-rich syngas reduction with a closed carbon loop. Unlike hydrogen-only pathways that require large new infrastructure and massive electrolysis capacity, CRT preserves the proven gas-based reduction chemistry used in Direct Reduced Iron (DRI) systems while eliminating net carbon emissions. This approach allows the transition to green iron production using existing industrial infrastructure with significantly lower energy and hydrogen requirements. 1. Uses Proven Gas-Based Iron Reduction Chemistry CRT reduces iron ore using hydrogen-rich syngas (CO + H₂) generated through steam reforming. This is the same fundamental chemistry used in natural-gas-based DRI processes such as those deployed globally by Midrex. Advantages • Proven shaft-furnace technology • Established reduction kinetics • Mature industrial operating experience • Reduced technical risk CRT therefore builds on existing metallurgical practice rather than introducing an entirely new process. 2. Achieves Zero Emissions Through Carbon Recycling In conventional natural-gas DRI: Natural Gas → Reduction → CO₂ released to atmosphere In CRT: Natural Gas / RNG → Reduction → CO₂ captured → recycled → Renewable Natural Gas (RNG) The carbon atom, therefore circulates continuously within the system, acting as a recyclable carrier rather than being emitted. This closed molecular loop allows CRT to achieve net-zero emissions without eliminating carbon from the process chemistry. 3. Dramatically Lower Hydrogen Requirement Hydrogen-only ironmaking requires hydrogen to supply both: • the reducing gas, and • the energy source for the process This results in very large electrolysis capacity requirements. CRT instead uses hydrogen-rich syngas, with only a small renewable hydrogen trim required to maintain the carbon recycling loop. Benefits • significantly smaller electrolysers • lower renewable electricity demand • reduced hydrogen storage requirements • improved economic feasibility 4. Compatible With Existing Industrial Infrastructure Hydrogen-only steelmaking requires major changes to industrial systems, including: • new hydrogen production infrastructure • new fuel supply networks • modified furnaces and process systems CRT maintains compatibility with existing infrastructure, including: • gas reforming systems • DRI shaft furnaces • gas handling and distribution networks • high-temperature industrial heat systems This allows decarbonisation to proceed faster and at lower capital cost. Structural Advantage of CRT Traditional decarbonisation approaches attempt to remove carbon from industrial energy systems. CRT instead recycles carbon as a molecular energy carrier, while renewable hydrogen provides the incremental energy required to maintain the loop. This architecture preserves the thermodynamic advantages of carbon-based fuels while eliminating net emissions. Conclusion Carbon Recycling Technology provides a practical pathway for green iron production by combining: • proven gas-based reduction chemistry • closed-loop carbon recycling • minimal hydrogen requirements • compatibility with existing infrastructure This system architecture enables heavy industry to transition toward zero-emission production while maintaining operational reliability and economic viability.

Why Carbon Recycling Technology (CRT) Is Structurally Superior for Green Iron Production

Clean Energy and Water Technologies Pty Ltd (CEWT) ABN 61 691 320 028 | ACN 691 320 028 Technology Note Why Carbon Recycling Technology (CRT) Is Structurally Superior for Green Iron Production Date: March 2026 Prepared for: Government agencies, investors, industrial partners Overview Carbon Recycling Technology (CRT) enables zero-emission iron production by combining hydrogen-rich syngas reduction with a closed carbon loop. Unlike hydrogen-only pathways that require large new infrastructure and massive electrolysis capacity, CRT preserves the proven gas-based reduction chemistry used in Direct Reduced Iron (DRI) systems while eliminating net carbon emissions. This approach allows the transition to green iron production using existing industrial infrastructure with significantly lower energy and hydrogen requirements. 1. Uses Proven Gas-Based Iron Reduction Chemistry CRT reduces iron ore using hydrogen-rich syngas (CO + H₂) generated through steam reforming. This is the same fundamental chemistry used in natural-gas-based DRI processes such as those deployed globally by Midrex. Advantages • Proven shaft-furnace technology • Established reduction kinetics • Mature industrial operating experience • Reduced technical risk CRT therefore builds on existing metallurgical practice rather than introducing an entirely new process. 2. Achieves Zero Emissions Through Carbon Recycling In conventional natural-gas DRI: Natural Gas → Reduction → CO₂ released to atmosphere In CRT: Natural Gas / RNG → Reduction → CO₂ captured → recycled → Renewable Natural Gas (RNG) The carbon atom therefore circulates continuously within the system, acting as a recyclable carrier rather than being emitted. This closed molecular loop allows CRT to achieve net-zero emissions without eliminating carbon from the process chemistry. 3. Dramatically Lower Hydrogen Requirement Hydrogen-only ironmaking requires hydrogen to supply both: • the reducing gas, and • the energy source for the process This results in very large electrolysis capacity requirements. CRT instead uses hydrogen-rich syngas, with only a small renewable hydrogen trim required to maintain the carbon recycling loop. Benefits • significantly smaller electrolysers • lower renewable electricity demand • reduced hydrogen storage requirements • improved economic feasibility 4. Compatible With Existing Industrial Infrastructure Hydrogen-only steelmaking requires major changes to industrial systems, including: • new hydrogen production infrastructure • new fuel supply networks • modified furnaces and process systems CRT maintains compatibility with existing infrastructure, including: • gas reforming systems • DRI shaft furnaces • gas handling and distribution networks • high-temperature industrial heat systems This allows decarbonisation to proceed faster and at lower capital cost. Structural Advantage of CRT Traditional decarbonisation approaches attempt to remove carbon from industrial energy systems. CRT instead recycles carbon as a molecular energy carrier, while renewable hydrogen provides the incremental energy required to maintain the loop. This architecture preserves the thermodynamic advantages of carbon-based fuels while eliminating net emissions. Conclusion Carbon Recycling Technology provides a practical pathway for green iron production by combining: • proven gas-based reduction chemistry • closed-loop carbon recycling • minimal hydrogen requirements • compatibility with existing infrastructure This system architecture enables heavy industry to transition toward zero-emission production while maintaining operational reliability and economic viability.

Carbon Recycling Technology (CRT): An Enabling Platform for Green Iron and Industrial Decarbonisation

Carbon Recycling Technology (CRT): An Enabling Platform for Green Iron and Industrial Decarbonisation Clean Energy and Water Technologies Pty Ltd (CEWT) The global energy transition is often framed as a challenge of generating clean electricity. While this is essential, heavy industries such as steel, aluminium, magnesium, and silicon production operate on fundamentally different principles. These industries do not simply consume electricity; they rely on high-temperature chemical energy carriers and reducing gases to transform raw materials into useful products. Steelmaking illustrates this challenge clearly. Modern Direct Reduced Iron (DRI) processes require hot reducing gases to convert iron oxide into metallic iron. Even in hydrogen-based DRI systems, electricity must first produce hydrogen through electrolysis, and then additional energy must heat that hydrogen to approximately 800–900 °C before it can act as a reducing agent in the shaft furnace. For a typical 2 million-tonne-per-year green-iron plant, hydrogen production alone may require 750–800 MW of electrolysis power, with an additional 50–60 MW required simply to heat the hydrogen to the required reaction temperature. In other words, the system must manufacture both the molecule and its thermal state before metallurgical reduction can begin. Conventional MIDREX plants avoid this inefficiency by generating hot reducing gas directly in the reformer, where methane reforming simultaneously produces hydrogen, carbon monoxide, and the required process temperature. This architecture—where chemistry and heat are created in the same step—has made gas-based DRI one of the most efficient ironmaking routes available. Carbon Recycling Technology (CRT) seeks to preserve this industrial architecture while eliminating the need for fresh fossil inputs. By integrating renewable hydrogen with recycled carbon in a closed-loop system, CRT produces hydrogen-rich molecular energy carriers that can deliver heat, reduction chemistry, and power generation within the same platform. Rather than treating electricity generation, hydrogen production, and industrial heat as separate systems, CRT integrates them into a single enabling energy infrastructure. This platform can supply: • firm renewable power • hydrogen-rich reducing gases • high-temperature industrial heat • recyclable carbon-based fuels Once such an energy platform exists, green iron production becomes a natural extension. A DRI shaft furnace can simply be integrated into the system, using the hydrogen-rich reducing gases already available to convert iron ore into metallic iron. This approach highlights an important principle of industrial decarbonisation: while electricity powers machines, molecules transform materials. Heavy industry therefore, requires not only clean electricity but also scalable pathways to produce the high-temperature chemical energy carriers needed for metallurgical and industrial processes. Carbon Recycling Technology provides a pathway toward such an integrated system—supporting green iron production while simultaneously enabling the broader decarbonisation of energy-intensive industries.

CEWT's defossilastion Framework

CRT is more powerful than Net-Zero concept in climate change

Net Zero Balances Carbon. Carbon Circulation Eliminates the Problem. Suggested LinkedIn headline Net Zero balances carbon. Carbon Circulation prevents the problem in the first place. LinkedIn Post Text For more than a decade, climate policy has focused on Net Zero. The idea is straightforward: Emit CO₂ → Remove CO₂ → Balance the equation. This framework has mobilised governments, corporations and investors around the world. But fundamentally, Net Zero is an accounting approach. It assumes emissions will occur and must later be offset, captured, or removed. A different approach is possible. Instead of balancing emissions after they occur, we can design energy systems where carbon never becomes waste in the first place. This is the principle behind Carbon Recycling Technology (CRT). In CRT systems, captured CO₂ is combined with renewable hydrogen to produce renewable methane. When methane is used for power generation or industrial energy, the resulting CO₂ is captured and recycled back into the system. Carbon atoms therefore, circulate continuously within the energy system. Carbon becomes a recyclable carrier of energy, while renewable hydrogen provides the energy input that drives the cycle. This shifts the conversation from: Carbon accounting → Carbon system design Instead of managing emissions after they occur, circular carbon systems prevent them at the source. The next phase of the energy transition may therefore not simply be about achieving Net Zero. It may be about building circular carbon energy systems. Clean Energy and Water Technologies Pty Ltd (CEWT) Advancing circular carbon energy systems for a resilient and sustainable future. #CircularCarbon #CarbonRecycling #EnergyTransition #Decarbonisation #CleanEnergy #NetZero #EnergySystems #IndustrialDecarbonisation

Closing the Carbon loop

Closing the Loops: Energy, Carbon and Water Clean Energy and Water Technologies Pty Ltd (CEWT) For more than two decades, my work has focused on a simple but often overlooked principle: Sustainable industrial systems must allow energy to flow while materials circulate in closed cycles. At the beginning of this millennium, I was among those advocating the introduction of hydrogen into the energy system as a pathway to reduce emissions. Over time, it became clear that hydrogen is best understood as an energy vector rather than the final carrier of energy. The deeper challenge lies in how our industrial systems handle carbon. For more than a century, modern industry has operated with an open carbon loop: extract fossil carbon → use it once for energy → release it into the atmosphere. Nature operates very differently. In natural systems, carbon circulates continuously through closed cycles. Plants, oceans, soils, and the atmosphere exchange carbon constantly, maintaining a dynamic balance. The same systems perspective also applies to water. During my earlier work in desalination and energy systems, I often wrote that water and energy are two sides of the same coin. Water infrastructure requires energy, And energy infrastructure depends heavily on water for cooling, processing, and transport. Over time, a broader systems insight emerged: Energy flows through the system. Carbon and water should circulate within it. When industrial systems break these natural cycles, instability appears — whether in the form of resource conflicts, environmental stress, or energy insecurity. Closing the carbon loop, therefore, becomes one of the most important engineering challenges of our time. If renewable energy produces hydrogen, that hydrogen can combine with captured carbon to create fuels that circulate in a closed cycle. In this way, carbon becomes a recyclable carrier of energy rather than waste. The future energy system may ultimately resemble nature more closely than the fossil system it replaces: a system where energy flows continuously while materials circulate in stable loops. Clean Energy and Water Technologies (CEWT) is founded on this principle — integrating energy, carbon and water into a coherent industrial system designed for long‑term sustainability. Clean Energy and Water Technologies Pty Ltd (CEWT) | ABN 61 691 320 028

CRT Transport Application - a demonstration Project

CRT and its industrial applications.

Carbon Recycling Technology

Advancing a 135 MW Carbon Recycling Technology Demonstration One of the key challenges of the energy transition is reliability. Solar and wind are expanding rapidly, yet power systems still require firm generation capacity to maintain grid stability and support industrial demand. At Clean Energy and Water Technologies Pty Ltd (CEWT) we are advancing a 135 MW Carbon Recycling Technology (CRT) demonstration project in Australia. The project integrates: • renewable hydrogen production • carbon recycling methanation • high-efficiency gas turbine generation • closed-loop CO₂ recycling The objective is to demonstrate a scalable architecture for reliable carbon-neutral energy. Key project parameters: Net dispatchable power: 135 MW Electrolyser capacity: 274 MW Total project CAPEX: ~A$1.6 billion The project is designed to support industrial decarbonisation and firm renewable power generation. We are currently engaging with strategic partners, infrastructure investors, and industrial collaborators interested in participating in the development of this first-of-a-kind project. #EnergyInfrastructure #IndustrialDecarbonisation #Hydrogen #SyntheticFuels

CEWT invites investors and strategic Partnership.

Carbon Recycling Technology CRT integrates renewable electricity, hydrogen production, carbon recycling, and high-efficiency power generation into a closed-loop energy system. The process works as follows: 1. Renewable electricity produces hydrogen via electrolysis. 2. Hydrogen reacts with captured CO₂ in a methanation reactor. 3. The reaction produces renewable methane (RNG). 4. RNG fuels high-efficiency combined-cycle turbines. 5. The CO₂ produced is captured and recycled back into the system. This creates a circular carbon energy cycle. Carbon atoms circulate within the system rather than being emitted to the atmosphere. Demonstration Project CEWT is advancing a 135 MW Carbon Recycling Technology demonstration project in Australia. Key parameters Net dispatchable power output 135 MW Electrolyser capacity 274 MW Total estimated CAPEX A$1.624 billion Technology integration • Renewable hydrogen production • Methanation fuel synthesis • Gas turbine combined cycle generation • Closed carbon recycling loop The project is designed to demonstrate a scalable architecture for firm renewable energy. Strategic Importance CRT addresses several critical needs of the global energy transition. Reliable Renewable Power CRT converts intermittent renewable electricity into firm dispatchable generation. Carbon Neutral Fuel Cycles Carbon is continuously recycled, eliminating ongoing fossil carbon inputs. Infrastructure Compatibility CRT can leverage existing: • gas turbines • gas pipelines • LNG infrastructure • industrial fuel systems Industrial Decarbonisation CRT can support: • green iron and steel • desalination • chemicals • industrial heat • grid-scale energy storage Why This Matters Now Three major trends are accelerating the need for new energy system architectures: 1. Renewable energy expansion Large volumes of renewable electricity require reliable system balancing. 2. Industrial decarbonisation Heavy industries need carbon-neutral fuel solutions. 3. Energy security Countries are seeking alternatives to fossil fuel imports while maintaining reliable energy systems. CRT addresses all three simultaneously. Investment Opportunity CEWT is currently engaging with strategic investors, industrial partners, and infrastructure developers to support the deployment of Carbon Recycling Technology. Potential collaboration areas include: • project equity participation • strategic industrial partnerships • technology licensing • infrastructure investment The 135 MW demonstration project represents the first commercial-scale implementation of CRT. Contact Clean Energy and Water Technologies Pty Ltd (CEWT) Strategic partnership and investment enquiries welcome.

Clean Energy and Water Technologies Pty Ltd (CEWT) Carbon Cartridge Loop for LNG Prime Movers This concept proposes a closed carbon logistics loop for LNG‑fuelled long‑haul prime movers. Carbon dioxide emitted during vehicle operation is captured onboard and unloaded periodically at a service facility (“works”), and recycled into renewable methane using hydrogen produced from renewable electricity. In this architecture, carbon atoms circulate in a managed loop while renewable electricity provides the energy input. Methane (LNG) acts as the recyclable carrier molecule, enabling long‑range heavy transport without new fossil fuel inputs. Operating Principle 1. LNG is combusted in the vehicle, producing CO2 and water. 2. An onboard capture cartridge collects CO2 from the exhaust stream. 3. At approximately 200 km intervals, the cartridge is swapped at a works facility. 4. Captured CO2 is combined with renewable hydrogen in a methanation reactor. 5. The resulting methane is liquefied to renewable LNG and used to refuel vehicles. Example Energy Balance (Prime Mover – 200 km) Parameter (200 km Prime Mover Leg) Value LNG consumed ≈ 60 kg CO2 generated ≈ 165 kg Hydrogen required for recycling ≈ 30 kg Electrolyser electricity required ≈ 1.65 MWh Methane regenerated ≈ 60 kg Key Infrastructure Elements Vehicle • LNG prime mover engine • Exhaust CO2 capture cartridge • Cartridge swap interface Works Facility • Carbon cartridge receiving and handling system • CO2 conditioning and compression • Renewable electricity powered electrolyser • Methanation reactor system • LNG liquefaction and storage • LNG refuelling station Strategic Advantages • Utilises existing LNG heavy‑transport engine platforms • Converts CO2 from waste into fuel feedstock • Renewable electricity becomes the true energy input • Carbon atoms circulate as a reusable carrier molecule • Suitable for freight corridors, mining fleets and logistics hubs Clean Energy and Water Technologies Pty Ltd (CEWT) | ABN 61 691 320 028 | ACN 691 320 028

Carbon as the Carrier.

CEWT Foundation Series Carbon as the Carrier: Why Closed Carbon Loops Change the Energy Transition For decades, the energy transition has been framed as a simple substitution problem: replace fossil fuels with renewable electricity. However, industrial energy systems require more than electricity alone. They require storage, transportability, and high‑temperature energy for heavy industry. As a result, the global transition is gradually evolving toward a dual‑energy architecture: electrons and molecules. Renewable electricity delivers efficient, real‑time power. Molecular fuels provide energy storage, transport, and industrial heat. Among these molecular pathways, synthetic methane has emerged as a promising bridge between renewable electricity and the world’s existing gas infrastructure. Synthetic Methane as the Bridge Synthetic methane can be produced by combining renewable hydrogen with captured carbon dioxide. Because methane is already widely used across global energy infrastructure — including pipelines, LNG systems, turbines, and industrial furnaces — it provides a practical pathway to integrate renewable energy into existing systems without rebuilding the entire energy network. The Deeper Breakthrough: Closed Carbon Loops While synthetic methane helps bridge infrastructure, the real transformation occurs when methane operates within a closed carbon loop. In this system, carbon dioxide released during energy use is captured and reused to produce methane again. Carbon atoms circulate continuously through the system rather than being released permanently into the atmosphere. From Linear Carbon to Circular Carbon Traditional fossil energy follows a linear model: fossil carbon is extracted from underground, used as fuel, and released as CO₂ into the atmosphere. Closed carbon loops transform this linear pathway into a circular one. Renewable electricity produces hydrogen. Hydrogen reacts with recycled CO₂ to produce methane. When methane is used for energy, the resulting CO₂ is captured and returned to the cycle. In this architecture, carbon behaves as a reusable carrier of energy rather than a disposable fuel. Why Closed Carbon Loops Matter Closed carbon loops provide several strategic advantages. They eliminate the need for continuous fossil carbon extraction, allow existing gas infrastructure to remain useful, and enable renewable electricity to be stored and transported in molecular form. Most importantly, they support the energy needs of heavy industry, which often requires high‑temperature fuels and continuous operation. Electrons and Molecules The future energy system will likely rely on two complementary energy vectors. Electrons provide efficient renewable power for direct electrification. Molecules provide energy storage, transport, and industrial fuel. Closed carbon loops connect these two worlds by transforming renewable electricity into recyclable molecular energy carriers. Conclusion The energy transition is not simply about removing carbon from the system. It is about redefining the role carbon plays within it. In a closed carbon loop, carbon becomes a circulating carrier of renewable energy, enabling industrial systems to operate without introducing new fossil carbon into the atmosphere. By redesigning the carbon cycle of the industrial economy, closed carbon loop systems offer a pathway toward deep decarbonisation while maintaining the reliability and scale required by modern energy infrastructure. Clean Energy and Water Technologies Pty Ltd (CEWT) ABN 61 691 320 028

Inustrial resilience in a climate volatile future.

Industrial Resilience in a Climate-Volatile Future Re-thinking Brine & Salt Supply Architecture for Coastal Chemical Complexes Clean Energy and Water Technologies Pty Ltd (CEWT) EXECUTIVE CONTEXT India’s coastal chemical complexes operate under increasing climate volatility and water stress. Rainfall variability, cyclonic intensity, salinity dilution events, and land-use pressure are no longer peripheral risks — they are operational realities. Solar evaporation-based salt production, while low in direct energy input, is inherently: • Seasonal and climate-dependent • Extremely land-intensive • Exposed to weather variability • Dependent on annual harvest cycles For chlor-alkali facilities consuming hundreds of tonnes of brine daily, this creates a structural mismatch: Continuous industrial demand versus seasonal, weather-driven supply. STRATEGIC RISK EXPOSURE A once-a-year harvest model introduces: • Inventory concentration risk • Working capital lock-up • Production continuity exposure during extreme weather events • Increasing land footprint under environmental scrutiny Climate volatility amplifies these risks. Energy can be engineered. Land and rainfall cannot. ARCHITECTURAL ALTERNATIVE A controlled, continuous brine generation model aligned with industrial demand can: • Reduce land footprint significantly • Align production with daily consumption • Improve water security • Convert climatic variability into engineered reliability • Enable electrified, low-carbon integration pathways When integrated with firm renewable energy systems and circular water recovery, brine and process water systems can materially reduce carbon exposure while strengthening supply resilience. BOARD-LEVEL QUESTION In a carbon-constrained and climate-volatile decade, which architecture provides Greater long-term resilience? • Large-footprint, weather-dependent annual harvest systems or • Controlled, continuous, low-carbon brine production aligned with industrial load This is not a technology substitution question. It is a system risk and capital discipline decision. Aligning industrial infrastructure with emerging boundary conditions — climate variability, water scarcity, and net-zero commitments — will define competitive resilience in the decade ahead. © 2026 Clean Energy and Water Technologies Pty Ltd (CEWT) | ABN 61 691 320 028 | ACN 691 320 028

The System-Surrounding error in Carbon Accounting

The System–Surroundings Error in Carbon Accounting Clean Energy and Water Technologies Pty Ltd (CEWT) In carbon accounting, the boundary we draw defines the responsibility we accept. Under the GHG Protocol, organisations may consolidate emissions using equity share, financial control, or operational control approaches. All are technically valid. However, the atmosphere recognises none of these governance structures. It responds only to physics. When emissions move outside an organisational boundary—through outsourcing, joint ventures, or supply-chain restructuring—the reported footprint may shrink, but the physical concentration of greenhouse gases does not. This is the System–Surroundings Error in carbon accounting. It occurs when corporate reporting boundaries are optimised for compliance, while the broader thermodynamic system remains unchanged. Scope 1 appears pristine. Scope 2 improves through procurement. Yet material emissions accumulate in Scope 3, beyond direct control but not beyond systemic risk. As climate disclosure regimes such as ASRS elevate reporting to audit-grade status, the strategic question shifts: Are we defining boundaries for accounting clarity—or for risk accuracy? True climate governance requires alignment between financial reporting boundaries and physical system reality. Investors, regulators, and boards increasingly recognise that transition risk resides not only within controlled assets, but across value chains and energy architectures. Carbon accounting is not merely a numerical exercise. It is a boundary decision. And boundary decisions shape system outcomes. The next evolution of climate disclosure will not be about shrinking reported numbers. It will be about expanding accountability to match thermodynamic truth. © 2026 Clean Energy and Water Technologies Pty Ltd (CEWT) | ABN 61 691 320 028 | ACN 691 320 028

The hidden Carbon thesis

CEWT FOUNDATION SERIES
 Foundation Note: The Hidden Carbon Thesis
 
Much of the climate discussion focuses on operational emissions — what is emitted during energy production. 
However, a more structural question is often overlooked: what about the carbon embedded in the infrastructure itself?

Solar panels require polysilicon, aluminum frames, glass, copper, and inverters. 
Wind turbines require steel towers, composite blades, rare earth elements, and concrete foundations. 
Pumped hydro requires large-scale cement, excavation, and transmission infrastructure.

These systems produce near-zero emissions during operation. However, they are constructed within a global industrial base 
still powered largely by fossil fuels.

This creates a transition paradox:

We reduce operational carbon flows — while increasing carbon-intensive capital stock upfront.

This may partially explain why global emissions decline more slowly than policy timelines anticipate. Clean capacity is added, 
but fossil manufacturing capacity is not yet proportionally retired.

Carbon is embedded across modern civilization: steel, cement, chemicals, transport, buildings, electronics, data centers, 
and infrastructure networks.

The climate challenge is therefore not purely an energy problem. It is an industrial metabolism problem.

The transition requires more than replacing fuels. It requires redesigning material loops.

Until heavy industry itself is decarbonized at scale, the energy transition will carry a hidden carbon shadow.

Implications for ESG & Climate Disclosure Frameworks:

Modern ESG regimes increasingly require lifecycle transparency — not just operational performance.

• Scope 1 emissions: Direct operational emissions.
• Scope 2 emissions: Purchased electricity emissions.
• Scope 3 emissions: Upstream and downstream supply-chain emissions — including embodied carbon in materials.

Under the ISSB (IFRS S2) climate disclosure standards, companies must disclose material Scope 1, 2, and 3 emissions 
where relevant to enterprise value. Embedded carbon directly affects reported Scope 3 exposure.

The EU Carbon Border Adjustment Mechanism (CBAM) places a carbon price on embedded emissions in imported 
steel, cement, aluminum, and other carbon-intensive goods. Projects ignoring embodied carbon risk trade exposure 
and pricing disadvantage.

Australia’s evolving climate-related financial disclosure regime (aligned with ISSB standards) will require large entities 
to report climate risks, transition plans, and value-chain emissions. Infrastructure developers and asset owners will face 
greater scrutiny regarding embodied carbon intensity.

For institutional investors, pension funds, and sovereign capital, lifecycle carbon intensity now influences:
• Cost of capital
• Access to green finance
• Taxonomy alignment
• Long-term asset valuation stability

Full-system accounting is not pessimism. It is engineering realism.
 — Clean Energy and Water Technologies Pty Ltd (CEWT) ABN 61 691 320 028 | ACN 691 320 028

Defossilisation vs Circular Economy.

CEWT Foundation Series Defossilisation × Circular Carbon Economy • From Emissions Reduction to System Redesign The Language Problem • We talk about decarbonisation. • But decarbonisation measures emissions. • It does not question the injection of new fossil carbon. The Structural Issue • Every year we extract geological carbon. • Renewables are rising, but fossil inputs remain embedded. • The system expands. It does not yet substitute. What Is Defossilisation? • Eliminating new fossil carbon inputs. • Not eliminating carbon — eliminating fossil dependency. • Carbon is not the enemy. Extraction is. The Circular Carbon Economy • Capture • Reuse • Recycle • Remove • Powerful framework — but incomplete without stopping fossil inflow. Open Loop vs Closed Loop • OPEN LOOP: Extract → Burn → Emit → Extract Again • Continuous fossil injection. • CLOSED LOOP: Renewable Energy → Recycle Carbon → Use → Capture → Recycle • No new fossil carbon introduced. Boundary + Mechanism • Defossilisation sets the boundary. • Circularity provides the mechanism. • Together: A closed carbon loop powered by renewables. Industrial Implications • Energy policy is industrial policy. • Reduced import vulnerability. • Lower geopolitical risk. • Greater capital certainty. The Mindset Shift • Decarbonisation: How do we emit less? • Circularity: How do we reuse carbon? • Defossilisation: Why are we still extracting? Closing • The transition is not defined by renewable additions. • It is defined by removing fossil inputs while retaining carbon utility. • Defossilisation × Circular Carbon Economy.

A foundational whitepaper for structural Defossilisation

ZEPS™: Correcting the Boundary Error in Energy and Industry A Foundational Whitepaper for Structural Defossilisation Industrial civilisation did not fail because of malice. It failed because of a boundary error. For more than a century, we have drawn system boundaries too narrowly. We optimise within the plant, the refinery, the turbine — and treat everything beyond the fence line as external. Fuel enters. Energy leaves. Emissions are discharged. The atmosphere becomes “elsewhere.” This is not merely an environmental oversight. It is a thermodynamic and economic misclassification. In thermodynamics, every system is defined by a boundary. Everything outside that boundary is the surroundings. Modern industry has drawn that boundary incorrectly: extraction upstream, combustion onsite, emissions external. But physics does not recognise accounting categories. Carbon atoms do not vanish when labelled externalities. They accumulate in the surroundings — which ultimately define the operating constraints of the system. Decarbonisation addresses emissions intensity. Defossilisation addresses fossil dependency. ZEPS™ — Zero Emission Power System — is built on a corrected boundary definition. Renewable electricity produces hydrogen. Hydrogen combines with captured CO₂ to form renewable natural gas (RNG). RNG provides firm, dispatchable power. CO₂ is captured and recycled back into the system. The carbon atom remains inside the engineered boundary. Energy flows. Carbon circulates. Markets reward resilience, predictability, and structural risk reduction. Heavy industry requires molecular fuels, continuous high-temperature processes, and firm capacity. Electrons alone cannot replace all molecules. ZEPS™ provides baseload reliability, embedded long-duration storage, reduced fossil volatility exposure, and structural mitigation of carbon pricing risk. Carbon is not the enemy. Fossil extraction is. When we stop extracting new fossil carbon and begin circulating what we already use, energy, industry, and atmosphere can coexist in structural balance. ZEPS™ is not disruption for its own sake. It is architecture refinement. The transition to green metals and resilient industry will not be solved by slogans. It will be solved by boundary-correct engineering and disciplined economics. ZEPS™ stands at that intersection.

CEWT Position Paper: Hydrogen Deployment Vs Defossilisation

CEWT Position Paper Hydrogen: Deployment vs Defossilisation Executive Summary Hydrogen is transitioning from ambition to implementation. Electrolyser factories are scaling, projects are reaching financial close, and regulatory frameworks are being finalized across multiple jurisdictions. However, deployment alone does not guarantee systemic transformation. The decisive question is whether hydrogen accelerates defossilisation or merely coexists with fossil expansion. 1. Deployment Is Not Transformation Hydrogen projects can be technically successful while leaving fossil extraction unchanged. If hydrogen production or end-use applications extend the life of fossil infrastructure, the system impact remains limited. Defossilisation requires measurable reduction in geological carbon extraction — not simply the addition of alternative energy pathways. 2. Three Hydrogen Pathways Hydrogen can function in three fundamentally different roles: • Fossil Extender – Produced from fossil gas or used to optimize existing fossil value chains without reducing extraction. • Transitional Molecule – Used in early decarbonisation efforts but without structural fossil phase-down. • Defossilisation Enabler – Produced from renewable electricity and deployed to replace fossil feedstocks and fuels in hard-to-abate sectors. Only the third pathway delivers structural transformation. 3. The System Integrity Test For hydrogen to support defossilisation, projects must demonstrate: • Renewable-based production with low lifecycle emissions. • Replacement of fossil feedstock or fuel rather than parallel deployment. • Transparent accounting of fossil displacement. • Alignment with national and international fossil phase-down strategies. Without these conditions, hydrogen risks becoming an additional energy layer rather than a substitute. 4. Capital Allocation and Strategic Impact Hydrogen deployment mobilizes significant capital. The direction of this capital determines system outcomes. If investment reduces fossil dependency, hydrogen enhances energy sovereignty, stabilizes long-term pricing, and strengthens industrial competitiveness. If investment allows fossil expansion to continue, climate and financial risks remain embedded in the system. Conclusion Hydrogen deployment is accelerating globally. The strategic challenge is to ensure that this deployment translates into measurable fossil decline. Hydrogen becomes transformative when it replaces geological carbon inputs, not when it operates alongside them. Defossilisation is the structural benchmark by which the hydrogen strategy must be evaluated.

Hydrogen : Deployment Vs Defossilisation

CEWT Position Paper Hydrogen: Deployment vs Defossilisation Executive Summary Hydrogen is transitioning from ambition to implementation. Electrolyser factories are scaling, projects are reaching financial close, and regulatory frameworks are being finalized across multiple jurisdictions. However, deployment alone does not guarantee systemic transformation. The decisive question is whether hydrogen accelerates defossilisation or merely coexists with fossil expansion. 1. Deployment Is Not Transformation Hydrogen projects can be technically successful while leaving fossil extraction unchanged. If hydrogen production or end-use applications extend the life of fossil infrastructure, the system impact remains limited. Defossilisation requires measurable reduction in geological carbon extraction — not simply the addition of alternative energy pathways. 2. Three Hydrogen Pathways Hydrogen can function in three fundamentally different roles: • Fossil Extender – Produced from fossil gas or used to optimize existing fossil value chains without reducing extraction. • Transitional Molecule – Used in early decarbonisation efforts but without structural fossil phase-down. • Defossilisation Enabler – Produced from renewable electricity and deployed to replace fossil feedstocks and fuels in hard-to-abate sectors. Only the third pathway delivers structural transformation. 3. The System Integrity Test For hydrogen to support defossilisation, projects must demonstrate: • Renewable-based production with low lifecycle emissions. • Replacement of fossil feedstock or fuel rather than parallel deployment. • Transparent accounting of fossil displacement. • Alignment with national and international fossil phase-down strategies. Without these conditions, hydrogen risks becoming an additional energy layer rather than a substitute. 4. Capital Allocation and Strategic Impact Hydrogen deployment mobilizes significant capital. The direction of this capital determines system outcomes. If investment reduces fossil dependency, hydrogen enhances energy sovereignty, stabilizes long-term pricing, and strengthens industrial competitiveness. If investment allows fossil expansion to continue, climate and financial risks remain embedded in the system. Conclusion Hydrogen deployment is accelerating globally. The strategic challenge is to ensure that this deployment translates into measurable fossil decline. Hydrogen becomes transformative when it replaces geological carbon inputs, not when it operates alongside them. Defossilisation is the structural benchmark by which the hydrogen strategy must be evaluated.