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Subscribe to receive updates on a variety of topics or join a Regional Electricity Network.

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Ontario’s electricity system is constantly evolving and the IESO is at the forefront of the sector ensuring that electricity is available to Ontarians when and where they need it. We do this through various programs and initiatives that are designed to manage supply and demand and ensure the reliability of Ontario’s electricity system.

Weekly newsletter – IESO news, notices, updates and events.

Program highlights and opportunities to apply for open and targeted requests for proposal.

Insights into IESO led initiatives that maintain the cost-effectiveness and reliability of the grid.

Funding opportunities for Indigenous communities.

Quarterly newsletter – Advice, tips and ways to save on energy at home.

Market design updates that impact how we supply, deliver and price electricity.

Keep up-to-date with MT1 RFP procurement documents, milestones and deadlines.

Keep up-to-date with LT1 RFP procurement documents, milestones and deadlines.


The Province of Ontario is divided into five regional electricity networks. By joining your Regional Electricity Network, you gain valuable insights into issues and innovations impacting Ontario’s electricity sector.


Ontario is divided into 21 planning regions. Regional planning looks at the unique needs of each region through coordination, engagement and integration. By signing up to receive updates, you can help guide regional planning initiatives that impact your community.