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Forecasts

The IESO forecasts demand for electricity in the province and assesses whether the existing and proposed generation and transmission facilities are adequate to meet Ontario's needs.

18-Month Outlook presents the IESO's assessment of the reliability of the Ontario electricity system for an 18-month period.

All Adequacy and Capability Reports


The Ontario Reserve Margin Requirements reports on the operational planning reserve requirements to meet the NPCC resource adequacy design criterion over a five-year window.


IESO Base Case Load Flows
model the Eastern Interconnection with a detailed Ontario representation under normal system conditions. These base cases can be provided to Market Participants after signing a non-disclosure agreement. Please send your request by email to Customer Relations. All requests will be considered on a case-by-case basis and are subject to confidentiality restrictions.

 


Notice: The posting of submissions on the IESO's Web site is done for the convenience of market participants and other interested visitors to the IESO's site. When requesting or receiving submissions from market participants and/or industry stakeholders, it is the normal practice of the IESO to post the submissions on the IESO Web site. The IESO reserves the right to revise or withdraw any such submission at any time without further notice should the submission include, in the IESO's opinion, any defamatory or other inappropriate provisions. Participants are reminded that all the material that they submit may be published and that, in making a submission, their permission to publish the material is deemed to be granted.

 
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