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TK'BLUE is an external platform that aims to calculate the GHG emissions of our transports. 


Why do we need to measure our carbon emissions?

The emissions evaluation is MANDATORY and part of the CSRD and Solvay Climate policy.

Solvay target is to reduce by 20% the Co2 emission in Scope 3 (- 20% in 9 years 2021-2030).


The internal attempts to calculate the workload emissions were not satisfactory, and we had no certified and validated methodology to measure of these emissions for the inbound/outbound shipments, to ensure compliance with Scope 3 of the Greenhouse Gas (GHG) Protocol.


Using this certified platform aligns the methodology to calculate Co2 emissions to all GBUs for the scope 3.4 and 3.9 (Upstream /Downstream transportation and distribution).

The certification is key for our external auditors and final customers.


https://www.transportcarbon-calculator.com/app/login


Only stakeholders are granted access to TK'Blue

In the future, other interested users will be able to check the results in the CSRD or the Global Supply Chain dashboard (after the end of the PO2 separation)

In the meantime, you may contact your GBU representative

 lien vers le User Guide

Governance 

Process/ Roles and responsibilities


Data to feed TK'Blue is extracted every month from BW TIERS, all GBUs in a single file.

On the 3rd day of the month, data of the previous month is sent to a GCP folder. (eg, data of December 2024 was extracted automatically on January 3rd 2025)

Every month, the business coordinator gets to the GCP Folder, downloads the latest extraction and uploads it to TK'Blue

TK'Blue processes the data and if needed send an error report to the GBU key users (one per GBU). GBU Key users are expected to check the errors, XXX voir comment avec TK Blue +deadline


Once data is processed by TK'Blue, indicators will be available in the platform for the GBU key users.


On the XXX of the month, data is pushed by TK'Blue in an SFTP folder 



Stakeholders

GBUs key users

Coatis: andre.ruiz@solvay.com

Peroxides: teresa.nabais@solvay.com

Silica: sabine.desiront@solvay.com

Soda Ash: laurent.thiault@solvay.com

Special Chem: philipp.berg@solvay.com


Business coordinator: sabine.desiront@solvay.com

Data Product Owner: donia.rachdi@solvay.com

Sustainability leader: juan-camilo.rubio@solvay.com

All stakeholders are requested to advise the business rep or the data product owner in case of change in job function 

Technical insights

See the functional and the technical documentation

Refresh frequency: monthly

Sources: BW Tiers GCP folder "CO2 emissions"


The methodology of TK'BLUE is compliant with the European standard CEN EN 16258: Methodology for calculating and reporting energy consumption and greenhouse gas (GHG) emissions of freight and passenger transport services.

GHG emissions calculation accredited by Smart Freight Centre for the GLEC standard.

The GHG methodology and calculation method used have been audited and declared compliant by Bureau VERITAS Certification. This complies with the regulatory requirements of application decree no. 2014-530 of May 22, 2014 and the methodology proposed by OEET.