Seven Graphs and a Map: 2025 Annual Planning Outlook
May 29, 2025
Forecasting future needs is one of the many roles the IESO plays at the heart of the electricity sector. Every year, the Annual Planning Outlook (APO) provides an updated analysis of system needs and proposed actions to ensure the ongoing reliability, affordability and sustainability of Ontario’s electricity system.The 2025 APO, released in April 2025 with a forecast horizon through 2050, is vital to electricity planning as it drives and guides sector activities and investments; and adds clarity to various needs, such as capacity, energy, transmission, and operability.
Visit Powering Tomorrow for Highlights From the 2025 APO