Speedometer charts depicting the August 22, 2002 near-blackout event in the electrical market of Panama (black needle shows the distance between the current state and the steady-state stability limit). The Panamanian System Operator took appropriate remedial actions and subsequently documented them by using the real-time version of QuickStab^® with actual data from the Historical Information System.

On a summer afternoon in 1998, a large US utility transmission network experienced low-voltage conditions. The black needle in the green speedometer shows that the system had entered an unsafe region. The black needle in the blue speedometer indicates that the conditions for potential blackout were approaching quickly, as it was verified in subsequent studies.