Welcome to GridWatchRT

EDM's GridWatchRT is a powerful tool for finding and exploiting unused transmission line capacity.

GridWatchRT retrieves and displays at real-time rates line rating data such as:


  • Ground Clearance of a Sagometer-monitored span
  • Ambient Temperature, Wind Speed, Wind Direction, Solar Radiation and Precipitation from weather stations
  • Line Current data from OSIsoft PI database systems

Using IEEE-738 compliant calculations, GridWatchRT provides the following line rating information:

  • Conductor clearance at any point in a Sagometer-monitored span
  • Conductor temperature from Sagometer-based clearance data
  • Conductor temperature from weather and line current data
  • Conductor ampacity (maximum capacity) at rated temperature

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EDM International, Inc.
4001 Automation Way
Fort Collins, Colorado 80525-3479
970.204.4001 Fax: 970.204.4007
800.687.4196

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