The access to accurate global data synchronized to a microsecond presents a challenge to adaptively identifying the required models and data for analysis in each hierarchical level and execution cycle [20]. Based on the severity, rank, and type of actual or potential problems in the operating conditions to be analyzed, the models (extent of the network, detail of generator and load models, etc.) required for calculating corrective/preventive actions are adaptively determined. As part of these adaptive models, appropriate external equivalents are calculated.