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March 5, 2025

Calculating CO2eq emissions: ALSTOM's experience with scope 3

The transition to a sustainable supply chain is a strategic transformation project for many companies. To achieve this, it is essential to master the data needed to calculate GHG emissions and therefore the company's footprint.

It was in response to this challenge that a "DataCO2 " squad was formed in 2024 within France Supply Chain's Digital & Technologies LAB. Their work led to the production of a white paper entitled "WHAT DATA FOR THE CALCULATION OFCO2 EMISSIONS FROM THE SUPPLY CHAIN?".

As you will see from the Alstom video example, this publication is designed to help you take action. Even for companies with a lower level of maturity, this tool is useful to understand the maturity of your GHG emissions calculation and see how to improve it to steer your decarbonization trajectory.

Chapters are directly accessible and visible in the timeline:

Video chapter
00:00

Factors influencing the calculation

Video chapter
01:00

How to use the guide

Video chapter
02:36

Example with a guide sheet

Video chapter
05:00

The example of ALSTOM and transport

Video chapter
05:45

What is the Carbon Impact of transport in the Life Cycle Analysis of Alstom products?

Video chapter
07:15

How do you calculate supply chain emissions?

Video chapter
08:30

How can Alstom make use of the White Paper's work, particularly with regard to the maturity axis for calculating GHG emissions?

Video chapter
11:00

What decarbonization actions is Alstom implementing and how can their impact be measured?

With
Photo by Ludovic Mendes
Ludovic Mendes
Senior Manager Sustainable Operations & Supply at I Care by BearingPoint, BearingPoint's Sustainability BU

BearingPoint logo

Photo by Marc Ortlieb
Marc Ortlieb
Senior Vice President, Worldwide Transport at Alstom

To go further
This 1st white paper helps you identify the relevant data and level of precision for calculating your emissions ...
Foundations, tool bricks and successive stages for the progressive digitization of the Supply Chain. You will ser...
Since 2023, in a small, private setting, 3 engaging workshops have been held in collaboration with 2 think tanks.