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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 28/05/2017

Outage Times System(s) Description
There are no scheduled outages.

Future Outages

Outage Times System(s) Description
June 7, 2017
14:25 - 14:55 EST Message Exchange Loss of access to Message Exchange will result in the following applications being impacted:
  • Automated dispatch instructions will be unavailable. The IESO will manually dispatch by phone as necessary.
  • Administrative pricing will be used.
  • Pre-dispatch and dispatch schedules and prices may not be updated.