As Ontario’s electricity market undergoes its most significant transformation in decades, Power Advisory is tracking the implementation of the IESO’s Market Renewal Program (MRP) in real time. Our weekly summaries provide timely, data-driven analysis of key trends, price signals, and market impacts. Power Advisory will help stakeholders navigate the evolving landscape with clarity and confidence. Whether you're a market participant, policymaker, or energy consumer, these updates offer grounded insights to support strategic decision-making in the new market environment.
Power Advisory undertook an analysis to better understand the implications of the new two-settlement system for merchant wind facilities in Ontario.
Read Full ReportThe most notable change in the renewed market last week occurred in the West zone. Last week, the Northwest, Northeast, and West zones experienced the most congestion during the day-ahead timeframe.
Read Full ReportThe summer peak demand season has arrived – and peak prices along with it. There were 20 real-time Ontario Zonal Price (OZP) spikes greater than $200/MWh, with the highest price hitting $1,229.23/MWh.
Read Full ReportThe most notable change in the renewed market last week occurred in the West zone. In contrast to most weeks since the renewed market was launched, the West zone experienced high levels of negative congestion in the day-ahead market – even greater than in other typically congested zones such as the Northwest and Northeast.
Read Full ReportPower Advisory is moving forward with its weekly renewed market reviews based on feedback from a number of clients. The weekly timeframe has slightly adjusted and is now from Saturday to Sunday. This report adds a few days to cover a few days included in the transition from the previous weekly schedule to the new format (note that the old weekly schedule was based on MRP launching on a Thursday and went from Thursday to Wednesday).
Read Full ReportThe fourth full week of the post-Market Renewal Program (MRP) (“renewed market”) has passed. Overall, the magnitude of real-time price volatility was lower throughout the week, with fewer hours where prices moved significantly above the marginal cost of gas-fired generation. Overall, real-time pricing in the energy market over the past week was more aligned with historical pricing in the legacy market.
Read Full ReportThe third full week of the post-Market Renewal Program (MRP) (“renewed market”) has passed. The real-time market continues to experience significantly more volatility than the Day-Ahead Market (DAM) in both the energy and Operating Reserve (OR) markets, while a number of nodes posted extremely volatile Locational Marginal Prices (LMPs) during the week, particularly in real-time.
Read Full ReportThe second full week of the post-Market Renewal Program (MRP) has passed and a number of trends from the first week remained in place.
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