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Changes coming to the Monthly Market Report

May 14, 2020

Changes are being made to the Monthly Market Report that will make it more user-friendly and result in data being made available earlier. Beginning next Wednesday, the report, which provides a summary of key data from the IESO-administered markets, will transition from a PDF download to being displayed entirely on a web page. The new format will make the graphs easier to read and the associated data accessible through direct links. The IESO will now publish the majority of the data on the 20th of each month, instead of the 28th under the current format. Two components will continue to be published on the 28th, the Global Adjustment Cost by Component graph and Transmission Rights Clearing Account table.

Questions regarding these changes can be sent to



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