Procure. Decarbonise. Make impact.

As a contracting authority, you can drive sustainability by integrating the CO₂ Performance Ladder into your tenders. This encourages contractors to actively reduce their carbon footprint. By offering certified companies an award advantage, you ensure you’re partnering with businesses committed to long-term CO₂ reduction. It’s a powerful way to low-carbon procurement and foster greener partnerships.

Best practice

Internationally recognised as a GPP best practice.

Trusted

Trusted by 300+ authorities for green procurement.

Easy to implement

Shift the burden of proof with third-party verification.

Compliant

Compliant with European procurement law

FAQ

1. Integrate into Policy

Add CO₂ reduction to your policy framework, and assess each tender to see if using the CO₂ Performance Ladder is beneficial.

2. Prepare Tender Documents

Include the CO₂ Performance Ladder criteria and set the award advantage amount.

3. Award Advantage

Provide bidders with an award advantage matching their ambition level and select the best Price-Quality Ratio offer.

4. Project Execution

Ensure the contractor operates at the agreed ambition level and keeps a project file.

5. Verify Ambition Level

Obtain certification from an external body to confirm that the contractor meets the agreed ambition level.

Do you want to start using the CO₂ Performance Ladder as a procurement instrument? Download Procurement Guide 3.1 or view our advice on tendering with Ladder 4.0.

Procurement Guide 3.1 Advice 4.0
Who is climbing the Ladder

Who is already climbing the Ladder?

More than 8,000 organisations already have a CO₂ Performance Ladder certificate and more than 300 contracting authorities use the CO₂ Performance Ladder in tenders.

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green electricity
  • Blog

Green electricity and the CO₂ Performance Ladder: how it works

Green power is electricity that comes from a renewable source, such as sun, wind or biomass. By using green power, you can reduce your company’s CO₂ emissions. The CO₂ Performance Ladder has strict requirements for what you can count as green electricity in your emissions accounting. In this article, we…

  • News

Transition to new version of CO₂ Performance Ladder begins in 2025

Transitional arrangements give organisations two years to progress to Handbook 4.0 The transition from Handbook 3.1 to 4.0 is the largest revision of the CO2 Performance Ladder to date. Certificate holders, contracting authorities and Certification Bodies (CBs) will therefore have plenty of time to prepare for the new handbook. SKAO…

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