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December 5, 2025
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Ontario Market Monitor Revamps Techniques for IESO Nodal Market
Registered capacity by market participant, 2019-2023
Registered capacity by market participant, 2019-2023 | Ontario Energy Board Market Surveillance Panel State of the Market Report 2023
Sep 15, 2025 | Rich Heidorn Jr.
Ontario’s energy regulator is learning new ways to identify inefficiencies and malign behavior under IESO’s Market Renewal Program.
Energy MarketIESO
KeywordsHerfindahl–Hirschman Index (HHI)Independent Electricity System Operator (IESO)Market Renewal ProgramOEB Market Surveillance PanelOntario Energy Board (OEB)Residual Supplier Index (RSI)
Rich Heidorn Jr.
IESO Tweaking Make-whole Payments for Operating Reserves
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