Product carbon footprint

ESPR Carbon Footprint: How PCF Data Actually Enters the Digital Product Passport

Last updated · July 29, 2026

Most manufacturers preparing for the Digital Product Passport have a rough sense that carbon footprint will be a required field. Far fewer have worked through what "carbon footprint" actually means in a regulatory context - which methodology applies, what data quality is expected, how system boundaries are set, and who verifies the number before it goes into a passport that market surveillance authorities can read.

This post works through each of those questions. It is focused specifically on carbon-footprint methodology and disclosure under ESPR - distinct from recycled content requirements, substances of concern obligations, or the battery passport, which we cover separately.

What ESPR Actually Says About Carbon Footprint

Regulation (EU) 2024/1781 - the Ecodesign for Sustainable Products Regulation - entered into force on 18 July 2024 as a framework regulation. It does not itself mandate a specific carbon footprint figure for any product. What it does is establish carbon footprint and environmental footprint as among the ecodesign parameters that product-specific delegated acts can regulate - alongside durability, repairability, recycled content, and substances of concern.

The practical implication is important: the exact carbon-footprint disclosure rules, including which lifecycle stages must be covered, which methodology applies, and whether third-party verification is required, are all set per product group in delegated acts, not by ESPR itself. The ESPR Working Plan 2025-2030, adopted on 16 April 2025, identified six priority product groups - iron and steel, aluminium, textiles, furniture, tyres, and mattresses - for delegated acts between 2026 and 2030.

Iron and steel is the first product group targeted for a delegated act under ESPR, with indicative adoption in 2026, reflecting the sector's enormous carbon footprint - steel production accounts for roughly 7% of global CO₂ emissions. The delegated act for that group is expected to focus heavily on embodied carbon disclosure and production-route emissions. Textiles, tyres, and aluminium follow in 2027.

ESPR is a framework — it creates the legal basis for carbon footprint requirements but does not set them directly. The specific fields, methodology references, lifecycle boundaries, and verification requirements for your product will be defined in the delegated act for your product group. Monitoring delegated act consultations is therefore as important as understanding the framework itself.

How Carbon Footprint Data Enters the Passport

The Digital Product Passport is a structured, machine-readable record linked to a product via a data carrier - a QR code, GS1 DataMatrix, or RFID/NFC tag. It carries product identification, material composition, substances of concern, circularity data, and environmental performance indicators. Carbon footprint sits within that last category.

The product carbon footprint (PCF) is expressed in kilograms of CO₂ equivalent (kg CO₂e) and covers greenhouse gas emissions across the product lifecycle - raw material extraction, manufacturing, transport, use phase, and end-of-life - scoped according to the boundary defined in the applicable delegated act or product category rules.

The DPP does not just carry a single number. A credible carbon footprint entry in a passport will typically include:

The functional unit (e.g., kg CO₂e per tonne of steel, per kWh of battery capacity, per unit of product)
The system boundary (cradle-to-gate, cradle-to-grave, or a defined variation)
The methodology used (ISO 14067 or PEF/PEFCR)
The data vintage and version of the study
The verification status and verifier identity
A reference to the product category rules (PCR or PEFCR) that governed the calculation

Without these accompanying fields, a bare kg CO₂e figure is not auditable and will not satisfy market surveillance requirements.

ISO 14067 vs. the EU PEF Method: Choosing the Right Methodology

This is the question that trips up most LCA and product teams. The two methodologies are not interchangeable, and the EU's preference is clear.

ISO 14067 is a single-issue standard. ISO 14067:2018 governs how a product's carbon footprint is quantified and reported, covering only the climate change impact category - greenhouse gas emissions expressed as CO₂e. It builds on the LCA principles of ISO 14040 and 14044 but applies them to one impact category only. It is the international reference standard for PCF and is widely used in B2B supply chains, CSRD Scope 3 reporting, and regulatory contexts including ESPR and the EU Battery Regulation.

The EU Product Environmental Footprint (PEF) method is a full multi-impact LCA framework. PEF covers 16 environmental impact categories - including climate change, water use, land use, acidification, ecotoxicity, and resource depletion - and applies a fixed standardised method via product-category-specific rules (PEFCRs). Two PEF scores calculated under the same PEFCR are directly comparable across companies, which is precisely why the Commission favours it for single-market comparability.

Dimension	ISO 14067	EU PEF / PEFCR
Scope	Climate change only (GHG emissions in CO₂e)	16 environmental impact categories
Standardisation level	General framework; methodology choices vary	Highly prescriptive; fixed datasets and allocation rules per PEFCR
Comparability	Limited — two ISO 14067 studies of the same product can differ by 20–100% based on methodology choices	High — PEFCR rules eliminate most discretion
EU regulatory preference	Accepted; referenced in ESPR and Battery Regulation	Preferred by Commission for single-market comparability; mandated in Battery Regulation methodology
Data requirements	Primary or secondary data; methodology documents choices	EF-compliant datasets required; strict primary data expectations
Verification	Third-party verification increasingly required for regulatory use	Third-party verification required under Battery Regulation; expected under ESPR delegated acts
Best suited for	B2B supply chain PCF exchange, CSRD Scope 3, initial DPP readiness	Full DPP compliance where PEFCR exists; regulatory comparability claims

The practical guidance: for EU regulatory contexts including the DPP, EU Battery Regulation, and ESPR, ISO 14067 is the right default methodology - alone, or for construction products in combination with EN 15804+A2 under an applicable PCR. Where a PEFCR exists for your product category, the Commission will likely reference it in the delegated act, and you should plan to align with it. The battery regulation already mandates the PEF methodology for its carbon footprint calculation, making it the clearest live precedent.

A critical practical point: two ISO 14067 studies of the same physical product can defensibly produce carbon footprints differing by 20-100% based on methodology choices alone - including system boundary, allocation method, biogenic carbon treatment, and recycled content allocation. This is why product category rules (PCRs or PEFCRs) matter so much: they eliminate most of that discretion and make results comparable.

The Battery Regulation as a Live Precedent

The EU Battery Regulation (2023/1542) is the clearest working model for how ESPR-style carbon footprint disclosure operates in practice. It is worth studying carefully, because the architecture it establishes - declaration, classification, threshold, passport integration - is the template the Commission is likely to follow for ESPR product groups.

From 18 February 2025, manufacturers must calculate and declare the carbon footprint for each battery model and manufacturing plant, covering all relevant lifecycle stages - extraction and processing of raw materials, active material and cell manufacturing, battery assembly, distribution, and end-of-life processing.

Battery carbon footprint declarations must be third-party verified and made publicly accessible online, and carbon offsets may not be used to reduce the reported figure.

The battery passport itself becomes mandatory on 18 February 2027, at which point the carbon footprint declaration must be accessible via QR code linked to the Digital Battery Passport.

Three features of the battery model are directly instructive for ESPR preparation:

Site-specific primary data is required. The battery regulation requires the carbon footprint to be calculated per manufacturing plant, not as a company-wide average. Generic secondary data is insufficient for the verified declaration.
Offsets do not count. The declared figure must reflect actual lifecycle emissions. Carbon credits cannot reduce the number on the passport.
Third-party verification is mandatory. Self-declaration is not sufficient for carbon footprint claims. A notified body or accredited verifier must confirm the methodology and data.

These three principles are almost certain to carry over into ESPR delegated acts for carbon-intensive product groups.

What "Defensible" PCF Data Actually Requires

The word "defensible" matters here. A PCF that satisfies an internal sustainability report is not the same as one that will survive scrutiny from a market surveillance authority, a procurement auditor, or a third-party verifier. The gap between the two is primarily a data quality and documentation gap.

Primary vs. Secondary Data

Primary activity-based data - your actual bill of materials, your actual manufacturing energy consumption, your actual supplier-specific information - produces the most credible and defensible PCF. Where primary data is unavailable, secondary data from emission factor databases can fill gaps, but regulators and enterprise customers are increasingly distinguishing between the two.

The key rule: for a PCF contribution to be classified as primary data, both the activity data and the emission factor must be primary data - if either is based on secondary data, the entire contribution is classified as secondary. This means a PCF built on your own energy meter readings but using a generic grid emission factor is still partially secondary.

In practice, no PCF is built entirely on primary data. The goal is to maximise primary data coverage for the highest-impact lifecycle stages - typically raw material extraction and manufacturing - while documenting secondary data use transparently.

System Boundaries and Lifecycle Stages

The system boundary defines which lifecycle stages are included in the calculation. For ESPR DPP purposes, the expected boundary covers:

Raw material extraction - upstream emissions from ore, feedstock, or fibre production
Manufacturing - energy and process emissions at the production site
Transport - inbound logistics to the manufacturing site and outbound to the point of sale
Use phase - energy consumption during product use (significant for electronics, appliances; less so for passive products)
End-of-life - emissions or credits from recycling, incineration, or landfill

The delegated act for each product group will specify which stages are mandatory and how to handle allocation at end-of-life. For steel, the production route (blast furnace/basic oxygen furnace versus electric arc furnace) and the scrap input fraction will be central variables.

Product Category Rules

PCRs and PEFCRs are the rulebooks that govern how a PCF is calculated for a specific product type. They specify the functional unit, the system boundary, allocation methods, data quality requirements, and how to handle co-products. PCR compliance provides a transparent and traceable methodology that underpins published environmental data and reduces the risk of greenwashing accusations.

If an applicable PEFCR exists for your product category, use it. If not, ISO 14067 under a relevant PCR is the appropriate approach. The Commission will reference specific rules in each delegated act.

Third-Party Verification

For regulatory PCF disclosure under ESPR, self-declaration is unlikely to be sufficient for carbon footprint claims. The battery regulation model requires verification by a notified body. ESPR delegated acts are expected to follow the same pattern for carbon-intensive product groups. Third-party verification is required for carbon footprint claims in DPP contexts where specified in the delegated act, alongside SVHC substance concentrations and recycled content claims above defined thresholds.

Verification requires that your LCA study documentation - including the goal and scope definition, inventory data, impact assessment, and interpretation - is complete, traceable, and available for review. A verifier cannot sign off on a PCF that exists only as a spreadsheet with no documented methodology.

What to Prepare Now: Building PCF Capability Before Your Delegated Act Lands

The delegated act for your product group may be 12-36 months away. That is not a reason to wait. Supplier data collection, LCA study development, and verifier engagement all take longer than teams expect - and the data infrastructure you build now will serve multiple regulatory obligations simultaneously.

Here is the practical sequence for building a defensible PCF capability:

1. Start with your bill of materials. A granular BOM - down to material grade, processing method, and supplier country - is the foundation of any credible PCF. The more specific the BOM, the more accurate and defensible the result.

2. Map your highest-impact lifecycle stages. Before collecting data everywhere, identify where emissions are concentrated. For steel, it is raw material production and the production route. For textiles, it is manufacturing energy and fibre production. For electronics, it is raw materials and the use phase. Prioritise primary data collection for those stages.

3. Issue supplier data requests now. Scope 3 data quality - emissions from purchased goods and services - is typically the biggest gap. Supplier engagement for primary carbon data takes 12 to 24 months to mature. Issuing structured data requests to Tier 1 suppliers now, and cascading to Tier 2 for high-impact materials, is the single most time-sensitive action.

4. Align with ISO 14067 and identify your PCR. Commission an LCA study or PCF calculation that explicitly follows ISO 14067, documents all methodology choices, and references the applicable PCR. This creates the audit trail a verifier needs.

5. Engage a verifier early. Third-party verification is not a final step - it is a process that shapes how you collect and document data from the start. Engaging a verifier or accredited LCA practitioner during study design, not after, avoids costly rework.

6. Build toward PEF alignment. If your product group is likely to have a PEFCR, structure your data collection so it can support a PEF study without rebuilding from scratch. The data inputs are largely the same; the methodology rules differ.

If you already produce Environmental Product Declarations (EPDs) for your products — common in construction, steel, and building materials — the LCA data underlying those EPDs is your starting point for DPP carbon footprint fields. The overlap is substantial. Organise that data now so it feeds the passport directly, rather than running parallel processes.

The Dual Obligation Problem for Steel and Aluminium

Steel and aluminium manufacturers face a particular complexity: carbon data is now required by multiple overlapping frameworks simultaneously. The Carbon Border Adjustment Mechanism (CBAM) has applied in its definitive regime since 1 January 2026, requiring importers of steel and iron to declare embedded emissions and purchase CBAM certificates for 2026 imports from February 2027. The ESPR DPP for steel is expected to require similar - but not identical - carbon data.

The overlap is real, but so is the opportunity. For steel producers, CBAM reporting and the expected ESPR DPP documentation are likely to overlap around the same core carbon dataset - meaning a single product-level data model can satisfy both obligations if designed correctly from the outset. Building that unified data model now - one that feeds CBAM declarations, EPDs, and future DPP fields from a single source of truth - is significantly more efficient than running parallel processes.

Key Takeaways

ESPR sets the framework; delegated acts set the rules. Carbon footprint disclosure requirements - methodology, boundary, verification - are defined per product group. Monitor delegated act consultations for your category.
ISO 14067 is the right default methodology for EU regulatory PCF disclosure. Where a PEFCR exists for your product group, plan to align with it - the Commission will likely reference it in the delegated act.
Primary data is the standard regulators are moving toward. Secondary data fills gaps but does not substitute for site-specific manufacturing data and supplier-specific upstream emissions.
Third-party verification is expected. The battery regulation model - mandatory third-party verification, no offsets, site-specific data - is the template. Build your documentation with a verifier in mind from day one.
Supplier data collection takes 12-24 months. Start now, regardless of where your delegated act sits in the timeline.
Existing EPD data is your starting point. If you produce EPDs, the underlying LCA data maps directly to DPP carbon footprint fields.