Cascading¶
The uncontrolled successive loss of System Elements triggered by an incident.
Definition by NERC¶
Source: 1
The uncontrolled successive loss of System Elements triggered by an incident at any location. Cascading results in widespread electric service interruption that cannot be restrained from sequentially spreading beyond an area predetermined by studies.
Tip
This version is approved by FERC on 1/21/2016. Another version of the term "Cascading" was approved by FERC on 3/16/2007 and became inactive on 6/30/2016. The term "Cascading Outages" was remanded by FERC on 12/27/2007.
Last modified: 2025-06-20
Related: cascading-outage
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NERC (2025). Glossary of Terms Used in NERC Reliability Standards. https://www.nerc.com/pa/Stand/Glossary%20of%20Terms/Glossary_of_Terms.pdf ↩