Relationships between Power System Dynamic Equilibrium, Load-Flow, and Operating Point Stability. -Fast Assessment of the Distance to Stability. -Accuracy Testing and Real-Time Implementation of Dimo's Stability Analysis Technique. -Emergency Monitoring and Corrective Control of Voltage Instability. -On-Line Voltage Security Assessment. -Critical Issues for Successful On-Line Security Assessment. -The Case for Using Wide-Area Control Techniques to Improve the Reliability of the Electric Power Grid. -Preventive and Emergency Control of Power Systems. -Sensitivity Analysis of Dynamic Stability Indicators in Power Systems. -Model Predictive Control of Electric Power Systems under Emergency Conditions. -The Role of Power System Visualization in Enhancing Power System Security.