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As the first of the major Dutch municipalities, The Hague has been certified on version 4.0 of the CO₂ Performance Ladder, at Step 1. Achieving the certificate was no straightforward task. There were questions about whether the CO₂ footprint was correct, and identifying key persons also proved quite an undertaking.
The CO₂ Performance Ladder does more than just reduce carbon emissions. New research from the Utrecht University Centre for Public Procurement (UUCePP) shows that its use in public procurement is also linked to improved technological innovation among companies. The study – carried out as part of an EU project funded…
Barneveld has become one of the first municipalities certified at Step 1 of the CO2 Performance Ladder version 4.0. The local authority in Gelderland is strongly committed to reducing and greening its energy consumption, including through the procurement of locally generated energy. By establishing and supporting sustainable energy initiatives, Barneveld aims not only to reduce CO2 emissions, but also to stimulate the local economy…
The drawing board can be the most influential place to drive sustainability in construction, as Arcadis demonstrates. With ambitious sustainability goals, the company became the first engineering consultancy to be certified at step 3 of version 4.0 of the CO₂ Performance Ladder at the end of 2025. Nevertheless, the journey towards zero CO₂ emissions within its own organisation and across the value…
A new study by the Utrecht University Centre for Public Procurement (UUCePP) shows a clear association between the use of the CO₂ Performance Ladder in public construction tenders and lower CO₂ emissions at the municipal level. The research — carried out as part of an EU project funded by the…
SKAO published a new Harmonisation Act relating to CO₂ Performance Ladder 4.0. This Harmonisation Act concerns the period within which organisations must be able to submit a plan to address minor non-conformities. This period has been shortened from 12 months to 3 months. The period allowed for actually implementing the corrective measures remains unchanged: this may still take place up to 12 months after the…
From pilot project to full certification In 2024 the first Irish pilot project with the CO₂ Performance Ladder was completed: Jons Civil Engineering successfully delivered a motorway resurfacing project with an impressive 21% CO₂ reduction. That milestone demonstrated that the Ladder, widely used in the Netherlands and Belgium, also…
Public sector organisations demonstrably procure more sustainably when their tenders are visible. This is the conclusion of a large-scale study by Utrecht University, which analysed over 1,300 Dutch tenders using the Sustainable Procurement Self-Assessment Tool (MVI-ZET). Transparency acts as a driver for applying sustainability criteria such as the CO₂ Performance Ladder.
What can cities and regions learn from each other when it comes to using the CO2 Performance Ladder in tenders? That was the central question at the CityMatch on the CO2 Performance Ladder from 25 to 27 June, an event organised by the ICLEI Procura+ European sustainable procurement network…
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