An ounce of (downtime) prevention

ComEd provides service to approximately 3.8 million customers across northern Illinois. ComEd has been using the PI System to store their SCADA data since 1998. 

Comed-SM

Challenges

  • Flood of new data from intelligent relays
  • Monitoring hundreds of grid components
  • Providing data to various roles

Solutions

  • Used Asset Framework to create substation models to improve visualisation and compare assets quickly
  • Created notifications and alarms

Benefits

  • Discovered voltage fluctuation signature that foreshadowed failure
  • Prevented several transformer outages 
  • Other departments can see SCADA data securely in real time