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Market Renewal

Market Renewal

The Market Renewal Program (MRP) is introducing fundamental reforms to the province’s electricity markets to improve how we supply, schedule and price electricity to meet Ontario’s future needs at the lowest cost.

News and Updates: 

Read the final energy stream high-level design documents.
August 8, 2019

View the IESO’s response to feedback submitted for the single schedule market, day-ahead market and enhanced real-time unit commitment high-level designs.  
August 8, 2019

News and Updates>

Upcoming Events

Market Renewal Program Update Meeting
August 26, 2019

Market Renewal Program Update Meeting
September 24, 2019


                                                                    Events Calendar >


The program initiatives – the single schedule market (SSM)day-ahead market (DAM) and enhanced real-time unit commitment (ERUC) – will make improvements to the current market design, leading to system efficiencies, lower costs for consumers and new opportunities for market participants. MRP will help create a stable and efficient marketplace that produces value for consumers by encouraging competition and innovation.

Market Renewal Key Milestones

Market Renewal Timeline

New video explains the electricity market for consumers

Do you work in the electricity industry? Ever have trouble explaining what you do or how electricity gets to consumers? Thanks to the IESO’s short animated video – What is an Electricity Market? – helping Ontarians understand how we keep the lights on has never been easier. In less than the time it takes to grab a coffee, customers can get a “101” on supply and demand in the electricity marketplace and discover how the market operates 24/7 to ensure they have the electricity they need when they need it.