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Sector Participants > Calendars > Planned IT Outages

Planned IT Outages

All planned IT system outages are posted as soon as they are scheduled. Participants can view outage notification details for the same day, as well as outages planned in the future.


Participants can also view information about outages that occurred in the past 60 days by selecting Archive in the table below.

Planned Outages for 16 Nov 2018

Outage Times Systems Description
There are no scheduled outages.

Future Outages

Outage Times Systems Description
November 22, 2018
09:00 - 17:00 EST IESO Sandbox Reports Site Testing on the Sandbox Report site will be unavailable
November 21, 2018
11:55 - 12:45 EST Outage Coordination and Scheduling System (OCSS) - CROW Web Interface OCSS Web User Interface will be unavailable for outage submission and retrieval. OCSS Web Service will be unavailable for outage submission and retrieval.
December 15, 2018
14:00 - 16:00 EST Online IESO Due to planned outage Online IESO will not be available. This includes the following actions:
  • create a Notice of Disagreement (NOD)
  • create a Meter Trouble Report
  • Manage Meter Installation
  • Manage My Information
  • Manage Participation
  • Manage Enrolment Requests
  • Manage System Access
  • Submit Prudential Support Information
  • Update Organization

This also includes the following Reliability Compliance Tool actions:
  • Address Compliance Gap
  • Maintain Standards Library
  • Perform IESO Self Certification
  • Report Potential Standards Violation (IESO)
  • Report Potential Standards Violation (MP)
  • Request MP Self Certifications