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IESO to refresh the message exchange interface

April 20, 2017

The IESO is refreshing the interface that generators and dispatchable loads use to accept or receive dispatch instructions from the IESO. A webinar will be held on Friday, April 28 from 2:00-3:00pm to provide an update on the project status, proposed dates for market trials and a brief demo of the new dispatch service user interface and the web services. All market participants who use the current message exchange system are encouraged to attend to see how and when they will need to use the new interfaces.

To register for this meeting, please send an email to

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