Publications

MRP Week 7 Review: West Zone Congestion Goes Negative

The 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.

Pennsylvania Net Metering Update – Utilities Angle for Hommrich Workaround

Net metering in Pennsylvania continues to be a trending topic with regulatory and legislative movement that could drastically change the current compensation for excess generation.

MRP Week 6 Review: DAM OR Price Spike and Ongoing Congestion in the Northwest and Northeast

MRP Week 5 Review: Extreme Negative Price in RT and Congestion in Niagara Zone

Power 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).

MRP Week 4 Review: Energy Volatility Moderates While OR Prices Remain Elevated

The 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.

MRP Week 3 Review: Day-ahead Market Failure and Ongoing Price Volatility in Real-Time

The 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.

MRP Week 2 Review: Volatility Sticks Around

The second full week of the post-Market Renewal Program (MRP) has passed and a number of trends from the first week remained in place.

MRP Market Review: Week 1

The IESO’s Market Renewal Program (MRP) has officially launched and completed its first week. According to the IESO’s MRP implementation plan, the full transition to MRP is now complete.

Impact of Tariffs on Electricity Exports from Canada to the United States

On March 4, 2025 the United States imposed a 25% tariff on a range of goods exported from Canada into the United States. While the import tariff included in the Executive Order signed by US. President Donald Trump provides for a lower 10% tariff on energy resources – including electricity – the threat of higher reciprocal tariffs may be applied in addition to the current exemption for electricity.

Pennsylvania’s Lucrative, Yet Risky, Energy Resource: Solar Net Metering

A new lucrative energy resource is emerging in the state of Pennsylvania: compensation through net metering for customer-generators of alternative energy systems provides rewarding rates for electricity delivered to the grid. Solar systems up to 3 megawatts (3 MWAC) are eligible to participate in this net metering framework.‍