60 ieee power & energy magazine july/august 2017 Building Energy Management Natural Gas 8 MW 10 MW 40 MWH Energy Storage (Under Consideration) 8 MW NG Asset Control Room * Smart Substation and Microgrid Controller Interface Chapel GE MGC Microgrid Controller LV Energy Solar ZNE Station Storage Training House Normally Open Other Loads (Not Part of Microgrid) Building Building 101 100 Eaton/Cooper Manual Load Break Switches Point of Common Coupling GridSTAR Microgrid PJM Market Ops and Transmission Control Room PECO Trans. Substation SS 664/GridSTAR Microgrid 2 * Smart Meter Control Room * Operation Planning and Forecasting * Customer/Tenant Operation * DER Asset Operation Plan Optimization GE Microgrid OPM Operation-Management System GE Microgrid DIM-Data Interface Management * Enterprise Data and Interface Management for PECO and PJM * Grid Monitoring-Event and Alarm Logging * SCADA-Supervisory Control and Data Acquisition GE Microgrid DMS Distribution Management System Philadelphia TNY Microgrid Network Operation Center figure 6. An overview of the hierarchical microgrid control architecture. Fuel Cell GE MGC Microgrid Controller SS 93/602-Microgrid 1 PECO Distribution Substation PECO Distribution Control Room