18-Month Outlook Refresh

The 18-Month Outlook provides an assessment of the reliability of Ontario’s power system over the short term. The IESO is seeking feedback from the report’s users on the content, presentation and format of the quarterly publication.

To view current 18-Month Outlook and associated reports, see Planning and Forecasting/18-Month Outlook.

For questions or further information on this refresh, please review the activities below or email IESO Engagement at engagement@ieso.ca.

Schedule of Activities



 January 31, 2019


November 22, 2018

  • On October 11, 2018 OPG submitted inquiries to the IESO regarding the September 2018 Issue of the 18-Month Outlook
  • On November 13, 2018 IESO provided responses

December 20, 2017

Survey responses

November 24, 2017

Survey window closes

November 9, 2017

Survey window opens - https://www.surveymonkey.com/r/18MORefresh