{
  "$schema": "https://ps-wiki.github.io/schema/v1/term.schema.json",
  "id": "contingency",
  "title": "Contingency",
  "description": "The unexpected failure or outage of a system component.",
  "language": "en",
  "tags": [
    "contingency",
    "system-operator",
    "nerc"
  ],
  "related": [
    "emergency",
    "contingency-analysis",
    "contingency-list"
  ],
  "breaking": false,
  "dates": {
    "created": "2025-03-15",
    "last_modified": "2025-06-22"
  },
  "authors": [
    {
      "name": "Jinning Wang",
      "url": "https://jinningwang.github.io"
    }
  ],
  "content": {
    "sections": [
      {
        "order": 1,
        "id": "definition-by-iso-ne",
        "title": "Definition by ISO-NE",
        "type": "definition",
        "source_keys": [
          "isone2024op19"
        ],
        "page": "p6, Revision 13.3",
        "body_md": "> A contingency is the unexpected failure or outage of a system component such as a generator, transmission line, circuit breaker, switch or other electrical element.\n"
      },
      {
        "order": 2,
        "id": "definition-by-nerc",
        "title": "Definition by NERC",
        "type": "definition",
        "source_keys": [
          "nerc2024glossary"
        ],
        "page": null,
        "body_md": "> The unexpected **failure** or **outage** of a system component, such as a generator, transmission line, circuit breaker, switch or other electrical element.\n"
      }
    ]
  }
}