Today’s LiveWire Spotlight evaluates three new NERC’s Lessons Learned, where testing, upgrades, and maintenance activity led to unexpected communication system failures. The write-ups of actual incidents are intended help the industry understand the nuances of complex communications systems design – and how they may fail for no apparent reason.

The loss of communications systems supporting situational awareness is one of NERC’s top reliability concerns. Severe penalties may be applied if Registered Entities experience a failure because they did not act upon these Lessons Learned.