Asiantaeth yr Amgylchedd - cartref

Trading and performance league tables

An overview of how the trading of allowances will work and how the performance league table is produced.

Introduction to the performance league table

Find out more about the PLT and how it is compiled.

Performance league table

The performance league table is to be published annually. The better the organisation performs in terms of reducing emissions the higher its position will be. 

How the performance league table is calculated

How the PLT is calculated including a worked example.

Independent validation of the performance league table

Details of the independent validation we commissioned for your assurance.

Glossary for the performance league table


Definitions of the headings used in the PLT and the individual scorecards.

Glossary for the participant summary

Definitions of the headings used in the individual scorecards.

Glossary for the participant scorecard

Definitions of the headings used in the participant scorecard.

Digital certificates

A digital certificate is required to access the CRC registry in order to buy, sell and surrender allowances on behalf of the compliance account holder/primary member.

Account representatives

An account representative can buy, sell and surrender allowances as appropriate through the CRC compliance account of the compliance account holder/primary member on whose behalf they are acting.

Updates to reported

The Performance League Table is compiled from data reported by participants in the CRC scheme.

Frequently asked questions

Find answers to your questions on trading and performance league tables:

Contact us

Email the helpdesk:

Or you can telephone us on 03708 506 506.