Participant Registration

If you wish to participate in the IESO-administered markets and/or programs, or have a physical facility that causes or permits electricity to be conveyed into, through or out of the IESO-controlled grid you, must be authorized as a participant.

Please contact the IESO at market.entry@ieso.ca for further assistance. You will be assigned a project manager who will provide assistance to you in completing and submitting the applicable forms and/or tasks listed below:

• Submit the Application for Authorization to Participate Form 1016 and include the application fee ($1000) plus applicable taxes.
• Submit the Market Participant Contacts Form 1238.
• Submit two signed originals of the Participation Agreement.
• You must apply for an Ontario Energy Board (OEB) licence
• If you plan to participate in the real-time IESO-administered markets, you must provide collateral called ‘prudential support’ to cover funds that might be owed to the market if your company were unable to make a payment. See the Guide to Prudentials and chapter 2 of the market rules to learn more about prudential support.
  The IESO has a list of acceptable bond rating agencies and a list of financial institutions eligible to provide prudential information in support of your prudential requirements.
  • Prudential Support Information Form 1044
  • Guide for Form 1044 (1044B)
  • Prudential Support Spreadsheet (1044A)
  • Prudential Support Supplementary Form 1445
• You must obtain a Canadian bank account with a branch in Ontario.
• You must provide Certificate of Status (Canadian based companies) or Articles of Incorporation (US based companies).
• Gain secure access to IESO Information Systems. You will need to register all individuals within your organization who will be interacting with the IESO.

An Overview of the IESO-Administered Markets provides information on Ontario's physical power system, roles in the marketplace and operation of the real-time IESO-administered markets.