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MRO Releases Analysis of September 17, 2007 System Event

September 18, 2007

On December 11, 2008, Midwest Reliability Organization released a system event analysis report addressing the system disturbance that occurred on September 18, 2007 in the MRO region that resulted in the formation of two islands and the loss of some 2,590 MW of generation and 790 MW of load.  The event was classified by NERC as a Category 4 event, which calls for a detailed event analysis.  To view MRO’s event analysis report, click here.