Reports

Ontario Electricity Demand 2012 Annual Long-term Outlook presentation
Summer 2012

An overview on projections of Ontario electricity demand to 2031. It is intended for informational purposes and to assist in power system planning activities. The 2012 Long-term Outlook is the first issue, and will be updated annually and issued for public reference. 

See the presentation » (1.4 MB pdf 


Description of the OPA's Regional Planning Process 
February 2012 

A description of the OPA's planning process in response to this request from the Ontario Energy Board.

Read the description of the OPA's Regional Planning Process » (206 KB pdf 
See more on the OEB request »


2011 Supply Mix Directive  
February 2011

To guide the OPA in the development of the updated IPSP, the government issued a Supply Mix Directive on February 17, 2011.

Read the Directive » (300 KB pdf 
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2011 Long-Term Energy Plan (LTEP)

The Ontario government issued the Long-Term Energy Plan – Building Our Clean Energy Future in November 2010. The document sets out Ontario’s expected electricity needs until 2030 and establishes the most efficient ways to meet them. 

See more on the LTEP »


Response to the Minister’s Request for an Updated Transmission Expansion Plan  
November 8, 2010

This advice is focused on core transmission projects to enable key clusters of renewable generation, associated with both the Feed-in Tariff (FIT) Program and the Korean Consortium projects.   

View the report »


2005 Supply Mix Advice Report

This report presents recommendations of the Ontario Power Authority (OPA) to the Minister of Energy on options for the future development of Ontario’s electricity system.

See more on the report »


Independent Electricity System Operator's (IESO) 18-Month Outlook Reports

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

See more at ieso.ca »