2021 Market Calendars

The IESO Settlement Schedule and Payment Calendars provide the timelines according to which market participants receive settlement statements and submit or receive payments for invoices. There are separate calendars for the physical market (day-to-day energy generation or consumption) and the financial market (transmission rights auctions) to reflect the different market activities of market participants.


Reliability Outlook Information Submission Calendar

Market participants are required under the market rules to provide information to the IESO to enable the IESO to conduct reliability assessments. The submission deadlines for input information for the Reliability Outlook (formerly known as the 18-Month Outlook) and other reliability assessments are listed.