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Operating Reserve Initiatives: new engagement

September 21, 2017

The IESO is initiating a new engagement relating to Operating Reserve (OR). This new engagement will include a number of phases over the next year such as expanding participation in OR to additional resource types as well as exploring changes to the Control Action Operating Reserve (CAOR) mechanism. 

Conversations related to Operating Reserve have occurred through the Enabling System Flexibility engagement initiative within the Market Renewal program. This is a separate initiative with a distinct scope.

 This initiative will start with a public information webinar on Tuesday, October 3 from 10:00 -11:00 am that will review the proposed timeline and content of the various phases. Interested stakeholders are encouraged to learn more by registering at

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