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IESO Web Portal Welcome
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Web Link  IESO Corporate Website
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Web Link  IESO - Compliance Tool
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IESO Contact Info  Refreshing IESO Contact Info

If you have questions or feedback please contact IESO Customer Relations:
Tel.: 905-403-6900
Toll-Free: 1-888-448-7777
Fax: 905-403-6921
E-mail: customer.relations@ieso.ca

IESO Web Portal Enhancements  Refreshing IESO Web Portal Enhancements

Welcome to the IESO Web Portal. This site is the home for most market-related applications and information.

Application Changes:

IESO Compliance Tool is now in-service. Applicable participants will be able to access the new application to submit reliability compliance information to the IESO. See the Ontario Reliability Compliance Program site for details.

Online Outage Forms is now in-service. The IESO is working with various participants to enable the online submission of equipment outages. See SE-75 for details.

Online Settlements Data Changes: The new Ontario Clean Energy Benefit submission form in now in-service for Distributors and unit sub-meter providers. The Embedded Generation application now includes Class A Load information for Distributors. 

Reminder to TRA Users:

Individuals that have access to the TRA Auction will be required to change their password every 90 days.  The new password must be at least eight (8) characters in length, and contain one (1) special character, one (1) lower case letter, and one (1) upper case character.  

Energy Market Application 

The Market Trading portal community is the new home for the Energy Market application (i.e. MPI Workspace) formerly accessed via MOSWEB using a digital certificate.

The Energy Market bid and offer application does not require a digital certificate for login. Authorized access to the application is automatically available once the registered user has logged onto the Portal with a UserID and password.

To initiate the Energy Market application, navigate to the Market Trading portal community and IESO Energy Market (MPI) application page and select the appropriate Market Participant (MP) name from the drop-down selection list. Users who have physical market access for only one Market Participant will only see that MP's name in the list.  Users with physical market access for multiple Market Participants will see all of the MP organizations they are registered for displayed in the list.

Once an MP name is selected by the user and the Go button clicked, the user will be automatically directed to the Energy Market application for the chosen MP where they will be able to submit bids and offers.

For more information on how to transition to the new Energy Market application from the MPI, see:

Other corporate web pages to be included here as available.

More info on Web Enhancement initiatives  

Transmission Rights Auction Announcements  Refreshing Transmission Rights Auction Announcements

The TR Bid Window normally opens at 09:00 EST of the first day and closes at 17:00 EST of the second day.

Long-term Auctions use summer maximum ratings to determine the maximum number of TRs that can be allocated. Short-term auctions for the months of May to October (inclusive) also use summer ratings to determine the maximum TR capability. Depending upon the application of the Confidence Factor, these auctions will only occur if there are unsold quantities from Long-term auctions (LT_YYYYMMDD) for the applicable period.

Transmission Rights Auction Settlement information can be found in the Financial Market Settlement Schedule and Payment Calendar.

Copyright IESO 2014: For technical questions or feedback about the IESO portal, contact the Portal Administrator