General help with cap and trade

For technical questions specific to the cap and trade program and the Compliance Instrument Tracking System Service (CITSS), excluding emissions reporting, please contact us by:

  • phone: 1-888-217-3326 (toll-free)
  • email

Help is available from Monday to Friday 8:30 a.m. – 5:00 p.m.

Help with greenhouse gas emissions reporting

If you have questions about greenhouse gas emissions reporting, please contact the GHG Emissions Reporting Help Desk by:

  • phone: 416-649-4480 or 1-855-815-6400 (toll-free)
  • email

Our Service Commitment to You

We are committed to providing you with consistent, responsive and timely service. We will acknowledge your emails and voicemails within one business day, and if further effort is required to resolve your concerns our goal is to do this as soon as possible.

Updated: July 12, 2021
Published: May 31, 2016