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New Market Surveillance Panel report released

January 2, 2020

The Market Surveillance Panel (MSP) released its Monitoring Report on the IESO-administered electricity markets for the period from May 2017 - October 2017.

The report identifies the impact of an error in the IESO’s calculation of the demand for electricity related to modelling the impacts of demand response. During the 11-month period from May 2016 to April 2017, in certain hours, the IESO’s calculation model overstated electricity demand from some distribution-connected consumers, which led to an increase in the wholesale electricity price in Ontario.

Read the IESO’s response.

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