February 10, 2008 ARC Event

February 10, 2008 ARC Event

Sunday February 10, 2008 from 18:50 EST through 19:20 EST the Midwest ISO invoked the ARC procedure when actual load came in greater than forecasted load. Up to 75 percent of the available ARC operating reserves were utilized during this period to correct the imbalance. There were two ARS events in progress during the event.