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Applying financial discipline to carbon management

Finance leaders are grappling with carbon as a financial asset carrying a real price and risk. But new research reveals how CFOs can be prepared.

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Key challenges in carbon accounting

Sustainability has become a strategic priority for finance teams, not merely a reporting requirement. To comply with evolving regulations, meet stakeholder expectations, and create economic value, CFOs and their teams must measure and manage carbon throughout the value chain with the same rigour they apply to financials.

The stakes are rising quickly. About 60% of the world’s largest companies have made net-zero pledges, yet 90% are not reducing emissions quickly enough. At the same time, more than 80 countries now use carbon‑pricing instruments, and the cost of carbon is expected to increase sharply, influencing procurement, product design, and overall strategy. This research blog summarises key insights from the report, Applying Financial Discipline to Carbon Management, and explores how SAP Green Ledger helps finance leaders turn “carbon intelligence” into a driver of margin, resilience, and growth.

Why carbon management requires financial discipline

Regulations such as the EU’s Corporate Sustainability Reporting Directive and Carbon Border Adjustment Mechanism (CBAM) are raising the bar on transparency and carbon pricing. CFOs, chief sustainability officers, and their teams want to know how decarbonisation initiatives can improve the bottom line, strengthen supply chain resilience, and increase credibility with stakeholders, auditors, and customers.

Most organisations now set climate targets, but many struggle to connect those goals to financial performance. Carbon pricing schemes, regulatory frameworks such as CBAM, and increasing disclosure requirements mean that carbon management has real balance-sheet and profit and loss implications. Finance leaders are asking questions such as:

What is our total financial exposure to carbon across operations and supply chains?
How would new regulations or carbon pricing affect product margins and capital plans?
Which decarbonisation initiatives create the greatest financial value, and which simply add cost?

To get there, organisations need more than annual emissions reports. They need a steering tool: a carbon accounting and management practice that identifies key metrics, sets targets, and compares plans with actuals, much like financial accounting does for money. Experts interviewed for the report describe this shift as building “carbon intelligence:” an enterprise capability that embeds carbon insights in decision-making across the organisation.

As Professor Stefan J. Reichelstein of Stanford University and the University of Mannheim notes, companies and academics are “racing towards the adoption of more informative corporate carbon accounting systems,” and there are “no real roadblocks” to achieving this goal with the right processes and technology.

Common challenges in carbon accounting today

Despite growing ambition, many organisations are still struggling to translate targets into action. According to Accenture’s Destination Net Zero research, as referenced in the report, 90% of the world’s largest organisations are not reducing emissions quickly enough. The report highlights several key obstacles organisations may encounter:

Lack of complete and standardised data

Emissions data often resides in disconnected systems and formats, making it difficult to build a single, trusted view.

Limited visibility into Scope 3 emissions

Indirect emissions across upstream and downstream value chains remain largely opaque, even as regulations and stakeholders increasingly demand this transparency.

Reliance on spreadsheets and manual processes

Many teams still manage emissions factors, activity data, and calculations in spreadsheets, creating fragile processes, version-control issues, audit risk, and fragmented data not fit for consistent decisions.

Limited understanding of the cost of carbon
Without linking carbon data to financial structures, it is difficult to see how carbon pricing such as CBAM and other mechanisms affect margins and capital.

No common system architecture
Calculation engines, reporting tools, and operational systems are often not harmonised or integrated, making it difficult to align methods, processes, and data access.

The result is that decarbonisation initiatives risk becoming isolated projects, making it hard to demonstrate bottom-line impact, build supply chain resilience, or credibly communicate with regulators, auditors, and customers.

What’s possible with advanced carbon management

Carbon accounting maturity varies widely across regions and industries. Historically, European businesses and companies in sectors such as energy, chemicals, and life sciences have led the way. Yet experts interviewed for the report are optimistic: with the right processes and technologies, organisations can move from estimates to actuals and from compliance to value creation.

Jens Freiberg, board member at BDO, identifies four notable trends among more mature organisations:

Greater rigour in data collection, with more streamlined processes and controls.
Stronger integration of financial and sustainability data, improving data quality.
More granular datasets, including supplier data, that shed light on carbon hotspots in the supply chain.
Increasing use of internal carbon prices, aligning decisions with the future cost of emissions.

As these capabilities mature, carbon data becomes a strategic asset, aided by the increasing integration of AI. Companies gain improved transparency at the product level, more focused management steering using carbon intelligence, decreased Scope 1, 2, and 3 emissions, and enhanced credibility with regulators, auditors, investors, and customers. AI can help automate and simplify these tasks, improving speed and agility.

Applying financial discipline: Key steps from the research

The report outlines concrete steps organisations can take to build a financially disciplined carbon accounting and management practice. These steps reflect how Finance would approach any major transformation: begin with clear objectives, select the appropriate systems, and invest in the data and expertise to make them effective.

1. Establish your goals

Deploying a small, niche solution can generate quick wins, but experts in the report recommend taking a longer-term view. Begin by asking which outcomes matter most for your organisation:

Are you primarily focused on achieving regulatory compliance?
Do you want to differentiate your products or business in the market?
Are you trying to reduce carbon-related costs and manage financial risk?
Do you need to maintain market access or enter new, more regulated markets?

“Where are you now, and where do you want to be? “What are the stepping stones to reaching your goal?” asks Lauren Ing, managing director and UK and Ireland sustainability strategy lead at Accenture. Mature organisations, she notes, understand that the end state “needs to be an enterprise solution,” because that is where all the transactional data resides.

2. Select ERP‑centric tools and work with IT

Once your direction is clear, the next step is to choose technologies that integrate carbon management with your core business systems. Point solutions can calculate, track, and report emissions, but they often sit outside day-to-day decision-making, making it harder to drive decarbonisation and ensure transparency.

An ERP-centric approach connects sustainability and operational data, supports audit readiness, and enables more detailed decisions. “It’s one thing to produce an annual report that summarises your emissions profile,” says Derek D. Przybylo, partner in the climate change and sustainability service at the EY organisation. “It’s another matter to manage a specific product line or business operation, where the information you need to make decisions and carry out analysis is at a significantly higher level of variability and volume. That’s where you need to tap into your ERP data.”

Finance and sustainability teams should also work closely with IT to maximise existing ERP investments. “Have a conversation with IT leaders about what is possible through the ERP system, since they’re focused on maximising the ERP investment and its effectiveness and efficiency,” advises Brian Jobe, carbon accounting lead for Deloitte & Touche LLP. “You’re making the rest of your business decisions based on ERP data. Why wouldn’t you treat carbon data in the same way?”

3. Build your data foundation and seek expertise

With a vision and architecture in mind, organisations need to build the underlying data foundation and governance. Professional services firms can help you move more quickly and avoid mistakes by:

Assessing ERP data readiness: PwC, for example, often begins with an ERP data-readiness assessment to demonstrate how existing data, such as product weight or distance travelled, can be used to support sustainability footprint management and carbon calculation.
Strengthening methodologies and controls: Many leaders require support in developing calculation logic, documentation, and processes that will withstand audit scrutiny and support strategy execution.
Addressing industry‑ and region‑specific issues: Requirements differ by market and sector, from utilities that must outline detailed decarbonisation paths to automotive firms whose customers expect transparent product carbon footprints.

“If you want to have a competitive business model, you need to provide carbon information, because this will be needed across all of the value chains of the future,” says Benjamin Lösken, director of the sustainability platform at PwC Germany. “And do your homework in terms of getting the data right, especially on the ERP layer and the data management layer.”

These integrated steps enable finance teams to bring their proven financial rigour to carbon accounting, building a solid operational foundation that supports the Green Ledger capabilities, and business applications outlined below.

How SAP Green Ledger compares to other approaches

By placing carbon directly into the financial system of record, SAP Green Ledger helps organisations move beyond periodic ESG reporting towards continuous, decision-grade carbon intelligence. Different approaches to carbon accounting offer different strengths and trade‑offs.

Approach

Characteristics

Limitations (from report/brief)

SAP Green Ledger advantage

Parallel ESG point solutions

Dedicated tools for carbon or ESG, often spreadsheet‑centred

Limited integration; duplicated data; weak connection to financial decisions

Embedded in ERP; reuse of financial controls and data

EPM-centred cloud models

Robust ESG reporting and planning in Oracle estates

Carbon is centralised in EPM; extra effort to integrate non‑Oracle systems

Carbon managed in Finance and ERP; transactional, product-level data

SAP Green Ledger

Carbon is embedded in core financial processes at the transactional level

Requires SAP landscape and data readiness

CBAM‑ready attribution, CFO‑grade lineage, faster close, ERP‑centric

With SAP, companies can acquire, calculate, exchange, and account for carbon using the same dimensions finance uses for money, preparing for stricter regulations and increasing customer requests for carbon cost and risk information.

How SAP Green Ledger integrates carbon into finance

SAP Green Ledger is designed to help organisations manage carbon with the same rigour as financials by embedding carbon in the ERP and reusing existing financial controls, master data, and audit trails.

Treating carbon like money

SAP Green Ledger applies double-entry accounting principles to carbon, enabling organisations to:

Record carbon at the transactional and product level, not just as aggregated totals.
Allocate emissions based on real operational data and, increasingly, actual supplier data, rather than static averages.
Maintain auditable, explainable rules for allocations and adjustments, similar to financial accounting policies.

This approach enables the cost attribution of carbon and “CFO-grade” lineage, which is increasingly becoming a necessity under CBAM, building a separate, parallel ESG stack. Carbon becomes part of the same system of record that governs financial decisions.

Ledger-based planning for carbon costs

By using transactional data at the product level, SAP Green Ledger supports ledger-based planning for carbon costs:

Finance teams can forecast exposure to different carbon pricing regimes, simulate internal carbon prices, and test decarbonisation capex scenarios.
Margin analysis can incorporate carbon costs directly, helping organisations understand the true profitability of products, customers, and markets under various regulatory futures.
Liabilities linked to carbon (e.g., future CBAM payments) can be identified and optimised as part of broader financial planning.

In short, organisations can start managing carbon like money with the same discipline, foresight, and controls as finance uses for money.

End-to-end traceability and faster close

Because SAP Green Ledger reuses existing financial structures, it supports:

End-to-end traceability of emissions from source systems and processes through to financial statements and disclosures.
Faster period-end closes by avoiding reconciliation between separate carbon and finance systems.
Governance of carbon where decisions are made rather than in disconnected ESG tools.

This is particularly compelling for SAP-centric enterprises that need to integrate carbon management into their existing ERP landscape and prepare for complex regulations such as CBAM.

Use cases: Managing carbon like money

Once carbon is embedded in financial systems, it ceases to be merely a reporting metric and begins to influence decisions regarding compliance, pricing, sourcing, and investment. The report describes a range of use cases that illustrate how organisations at different maturity levels can manage carbon like money.

Early-journey use cases

Reduce the regulatory burden: Integrated carbon and financial accounting can streamline the preparation of regulatory reports and audits, reducing manual effort and cost. Primary benefit: faster preparation and lower cost of regulatory compliance.
Provide the business with access to carbon data: Role‑based dashboards give internal stakeholders tailored access to carbon data, aligned with their responsibilities. Primary benefit: improved decision-making through simplified, role-specific access to sustainability data.
Gain energy consumption insights: Hot‑spot analysis helps organisations identify opportunities to switch to renewable energy or improve efficiency. CDP Worldwide reports that companies often observe a 7–10% reduction in emissions in the second year after reporting carbon data. Primary benefit: data‑driven actions that accelerate decarbonisation.

Use cases for more mature organisations

Forecast emissions and carbon cost trade‑offs: Integrated solutions help CFOs simulate whether to pay for carbon (for example under the EU Emissions Trading System or CBAM) or invest in reducing emissions. Primary benefit: greater insight and control over carbon‑related financial exposure.
Gain carbon data intelligence: When all carbon data resides in a single ERP‑centric solution on a unified data model, assessing the sustainability impact of business choices becomes faster and more accurate. Primary benefit: more sustainable choices informed by closed-loop emissions data.
Improve product design and differentiation: Product-level carbon transparency supports design decisions and helps companies differentiate in the market. Some small businesses already display carbon information on price tags and service menus to stand out and even secure funding more easily. Primary benefit: increased sales and stronger customer engagement through transparency.

As these use cases show, carbon accounting technology can unlock improved product-level transparency, better steering using carbon intelligence, lower emissions, higher data quality, and greater economic resilience.

FAQ

Who is this for?

The research and this blog are intended for finance, sustainability, and operations leaders responsible for carbon reporting, risk management, and decarbonisation strategy. It is particularly relevant for organisations operating in or trading with regions subject to evolving carbon regulation.

How mature do we need to be to begin?

Carbon accounting maturity varies widely across regions and industries, and the research confirms there is no one-size-fits-all starting point. What matters is establishing a roadmap that moves from basic, spreadsheet-based reporting to governed, transaction-level accounting over time. In other words, your company can start at any time, regardless of your starting point.

Does this replace our ESG reporting tools?

ERP‑centric carbon accounting solutions, such as SAP Green Ledger, complement, rather than replace, ESG and disclosure tools. They strengthen the underlying carbon data, controls, and traceability to accelerate existing reporting processes.

How does this help with Scope 3?

By embedding carbon into ERP and connecting it to procurement, logistics, and other value-chain data, organisations can progressively improve visibility into Scope 3 emissions. As supplier actuals become available, they can replace averages in allocation models to produce more accurate product-level footprints.

How can AI improve carbon accounting and emissions analysis?

AI can help organisations analyse carbon data more quickly and intuitively by making emissions reporting easier to access across finance, sustainability, and operations teams. For example, capabilities such as SAP Green Ledger and Carbon Emission Analysis allow users to generate ad hoc carbon reports and ask natural-language questions through Joule, helping those who are not data scientists to uncover insights without complex data modelling. When combined with ERP-centric carbon accounting, AI can help organisations identify trends, compare carbon and financial data, and accelerate decision-making around decarbonisation and compliance. Learn more about SAP Green Ledger, Carbon Emission Analysis.

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