The Independent Electricity System Operator (IESO) works at the heart of Ontario's power system. The IESO delivers key services across the electricity sector including: managing the power system in real-time, planning for the province's future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution. Ontario's power system is operating reliably through the COVID-19 outbreak. Please check this site for updates.
Annual Planning Outlook
The IESO’s 2020 APO provides a long-term view of the demand, resource and transmission outlook, features a discussion of system reliability and sets out how competitive procurement mechanisms, DERs and transmission upgrades can help Ontario meet reliability needs during the outlook period. For the highlights, check out the five graphs in the 2020: APO at a Glance.
News and Updates:
- Introduction to Ontario’s Physical Markets – IESO Webex Course April 12, 2021
- Technical Panel meeting April 20, 2021