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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 11 Dec 2017

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

Future Outages

Outage Times System(s) Description
December 13, 2017
13:25 - 13:55 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.
December 12, 2017
12:30 - 13:30 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.
10:30 - 11:00 EST IESO Reports Site Public Report publication will be delayed.Confidential Report publication will be delayed.