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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?


 lien vers le User Guide


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

Stakeholders / Roles and responsibilities

Gouvernance / process

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 








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.