{
  "$schema": "https://ps-wiki.github.io/schema/v1/term.schema.json",
  "id": "loss-of-load-expectation",
  "title": "Loss-of-Load Expectation",
  "description": "LOLE. The number of days per year for which the available generation capacity is insufficient.",
  "language": "en",
  "tags": [
    "adequacy",
    "nerc",
    "metrics",
    "reliability"
  ],
  "related": [],
  "breaking": false,
  "dates": {
    "created": "2025-03-15",
    "last_modified": "2025-06-20"
  },
  "authors": [
    {
      "name": "Jinning Wang",
      "url": "https://jinningwang.github.io"
    }
  ],
  "content": {
    "sections": [
      {
        "order": 1,
        "id": "definition-by-nerc",
        "title": "Definition by NERC",
        "type": "definition",
        "source_keys": [
          "nerc2013probabilistic"
        ],
        "page": null,
        "body_md": "> Loss-of-Load Expectation (LOLE) is generally defined as the **number of days per year** for which the available generation capacity is insufficient to serve the demand at least once during that day.\n> This metric is not being reported as part of this assessment.\n> A criterion of one day in 10 years is an often used standard for LOLE.\n"
      }
    ]
  }
}