CAISO DECEMBER WINTER EIM ENHANCEMENTS

The EIM Winter Enhancements 2017, EIM Powerex and EIM Idaho Power Company market simulations will begin December 1, 2017 and end on trade date January 31, 2018. The Reliability Services Initiative simulation will begin December 5, 2017 and end on trade date January 26, 2017. ISO will continue to have MAP Stage available for market participants to support regression testing if necessary.