Emissions intensity metrics: CSRD, SBTi and ISO explained

AS Alba Selva · · 5 min read
Emissions intensity metrics: CSRD, SBTi and ISO explained

Photo by Michael Förtsch on Unsplash

Your company doubles its revenue, opens three new factories, and hires 200 people. Of course, total emissions go up. That does not mean you are doing worse on sustainability. It means you need intensity metrics.

Why absolute metrics are no longer enough

If your decarbonisation plan says “reduce emissions 30% by 2030”, you have a problem: what happens if your company grows 50% during that period? Absolute emissions could rise even if you are becoming more efficient per euro billed or per tonne produced.

This is not a hypothetical case. It is exactly what happens to growing companies trying to reconcile their SBTi commitments with business reality.

Intensity metrics solve this. They divide your emissions (or energy, water, or waste consumption) by an activity variable: revenue, headcount, tonnes produced, or floor area. The result is a ratio that shows your real efficiency, regardless of whether your company grows or contracts.

What CSRD and ESRS say about intensity

The CSRD Directive, through ESRS E1 (Climate Change), requires reporting GHG emissions intensity per net revenue. This is not optional: it is among the mandatory data points for any company that identifies climate change as a material topic, which in practice means almost all companies in scope.

But ESRS does not stop there. Standards E2 (Pollution), E3 (Water), E4 (Biodiversity) and E5 (Circular Economy) all include metrics that benefit from intensity analysis. When an auditor reviews your CSRD report, they want to see that your action plans have measurable progress indicators. Intensity is the indicator that demonstrates continuous improvement even as you grow.

If you are still building your CSRD reporting strategy, the CSRD resource hub covers the main requirements and deadlines in detail.

SBTi: without intensity, there is no credible target

The Science Based Targets initiative accepts two types of targets: absolute and intensity-based. Intensity targets are especially relevant for:

  • Growing companies that cannot commit to reducing absolute emissions in the short term without limiting their expansion.
  • Sectors with variable production, such as manufacturing, logistics, and agri-food, where activity fluctuates seasonally.
  • Companies with progressive decarbonisation plans that need to demonstrate efficiency while scaling.

SBTi requires intensity targets to be aligned with 1.5°C or well below 2°C scenarios, and the denominator must be relevant to the sector. Dividing emissions by “units sold” does not work if what you produce are services.

If your company needs help structuring its carbon footprint measurement, Dcycle supports both absolute and intensity-based approaches aligned with SBTi methodology.

ISO 14001, 50001 and 45001: continuous improvement requires intensity

If your company holds ISO certifications, you already know that the Plan-Do-Check-Act cycle requires continuous improvement indicators. Absolute metrics can show that your emissions fell, but was that because you closed a plant or because you genuinely improved your processes?

Intensity metrics eliminate that ambiguity:

  • ISO 14001 (environment): emissions intensity per unit of production.
  • ISO 50001 (energy): energy consumption per square metre or per employee.
  • ISO 45001 (safety): not directly environmental, but the logic of normalising indicators by hours worked is exactly the same principle.

In audits, an intensity ratio that falls year on year is the clearest proof that your management system is working.

The practical problem: calculating intensity manually is painful

In practice, most companies do this: export emissions data to Excel, look up revenue or production data from another system, cross-reference them manually, and hope the time periods match. If you need monthly, quarterly, and annual breakdowns, multiply the effort by three.

And if you also need to compare intensity across facilities, across fiscal years, or across scope 3 categories, you are looking at a weeks-long project that repeats every reporting cycle.

How Dcycle solves it: intensity built into your pivot tables

Dcycle has launched integrated intensity metrics within the platform’s pivot tables. Here is how it works:

  1. Define your intensity metric: choose the denominator, whether revenue, headcount, production volume, or whatever you need.
  2. Automatic calculation: any environmental metric (energy, GHG, waste, water) can be divided by your denominator, directly in the pivot table.
  3. Temporal granularity: monthly, quarterly, or annual, aligned with your fiscal year.
  4. Missing data flagged: if a month has no denominator data, the cell alerts you with a direct link to complete it. No silent empty cells that break your calculation.
  5. Excel export: what you see on screen is exactly what you export, ready for your CSRD report or ISO audit.

This is not a cosmetic feature. It is the piece that connects your operational data to your regulatory commitments, without going through Excel or a consultant.

To see it in action, request a demo and we will show you how intensity metrics work within your reporting workflow.

Three cases where intensity changes the conversation

Manufacturing: A company with three plants may have high absolute emissions simply because it produces a lot. But if its emissions per tonne produced fall 15% year on year, it has a solid argument for SBTi validation and for its CSRD report.

Logistics: A transport company that grows 30% in shipment volume cannot reduce absolute emissions without stopping growth. But it can reduce its gCO2 per tonne-kilometre, which is exactly what GLEC and ISO 14083 require.

Services: A consultancy with offices in five cities can normalise its energy consumption per employee and demonstrate that its energy efficiency policy works, even after opening two new offices.

What you should do now

If your company reports under CSRD, has SBTi targets, or manages ISO certifications, intensity metrics are not a nice-to-have. They are an implicit requirement for demonstrating continuous improvement.

The first step is to decide which denominators are relevant for you: net revenue (mandatory for ESRS E1), but also production volume, headcount, or any variable that reflects your real activity.

The second step is to stop doing it in Excel.

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