2-June 2008 ARC Event

2-June 2008 ARC Event

Monday June 2nd 2008 18:00 EST through 18:15 EST the Midwest ISO invoked the ARC procedure due to a 2,000 MW loss of energy imports. Up to 15 percent of the available ARC operating reserves were utilized during this period to assist in correcting the imbalance. There was one ARS event in place when the procedure was invoked.