To report an incident, please use the MDM/R service desk self serve portal.

For critical incident resolution, if you are unable to use the Self Service Portal, please contact the MDM/R Service Desk by phone: 905-855-4113.

Registration and Enrolment

Please submit any registration and enrolment inquiries to mdmr.registration@ieso.ca.

Media or Customer Relations

Media: 416-506-2823 or media@ieso.ca

Customer Relations: 905-403-6900 or customer.relations@ieso.ca

General Feedback or Questions

If you have a question about the Smart Metering Entity or would like to provide feedback you can email smartmeteringentity@ieso.ca