Frequently Asked Questions

The European Commission have published some informative and insightful frequently asked questions and can be found here.


  • Allowances and caps FAQ
  • Market oversight FAQ
  • International carbon market FAQ
  • Phase III Baseline data collection FAQ
  • Commission memo 2010 on the revised emission trading system FAQ
  • Monitoring, reporting & verification of EU ETS emissions FAQ
  • Free allocation based on benchmarks FAQ


If the attached response to the listed questions does not answer a specific query you may have, please submit:


General Emissions Trading queries:

ETSWAP Helpdesk queries:

Union Registry queries: