{
  "node": {
    "id": "term:pas-63100",
    "type": "Term",
    "label": "PAS 63100",
    "properties": {
      "id": "pas-63100",
      "name": "PAS 63100",
      "aka": [
        "PAS 63100:2024"
      ],
      "section": "topic-standards-stationary",
      "definition": "The UK specification, published by BSI in 2024, for fire protection of battery storage in homes. It bars batteries from bedrooms, escape routes, lofts and voids, requires interlinked smoke detection where they sit in rarely visited spaces, and caps energy at 20 kWh per enclosure and 40 kWh per dwelling, or 80 kWh outdoors or in a separated garage.",
      "related": [
        "stationary-storage",
        "nfpa-855",
        "fire-suppression",
        "iec-62485",
        "thermal-runaway"
      ],
      "url": "https://lemonergy.com/learn/glossary/pas-63100/",
      "mentions": [
        "kilowatt-hour",
        "enclosure"
      ]
    }
  },
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      "source": "term:pas-63100",
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    {
      "id": "edge:6481",
      "source": "term:pas-63100",
      "target": "term:stationary-storage",
      "type": "relatedTo",
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        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
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    {
      "id": "edge:6482",
      "source": "term:pas-63100",
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      "type": "relatedTo",
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        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6483",
      "source": "term:pas-63100",
      "target": "term:fire-suppression",
      "type": "relatedTo",
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        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
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      "id": "edge:6484",
      "source": "term:pas-63100",
      "target": "term:iec-62485",
      "type": "relatedTo",
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        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
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    },
    {
      "id": "edge:6485",
      "source": "term:pas-63100",
      "target": "term:thermal-runaway",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/pas-63100/kilowatt-hour",
      "source": "term:pas-63100",
      "target": "term:kilowatt-hour",
      "type": "mentions",
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      "id": "edge:mentions/pas-63100/enclosure",
      "source": "term:pas-63100",
      "target": "term:enclosure",
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        "field": "definition",
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  "neighbors": [
    {
      "id": "topic:topic-standards-stationary",
      "type": "Topic",
      "label": "Stationary, industrial and product standards",
      "properties": {
        "id": "topic-standards-stationary",
        "name": "Stationary, industrial and product standards",
        "lede": "Safety and performance standards for portable, industrial and grid batteries, their electronics and their installation.",
        "context": "Match scope to product and installation.",
        "example": "A cell-level test does not establish fire performance or commissioning requirements for a complete installation.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:stationary-storage",
      "type": "Term",
      "label": "Stationary storage",
      "properties": {
        "id": "stationary-storage",
        "name": "Stationary storage",
        "abbr": "BESS",
        "aka": [
          "battery energy storage system",
          "ESS"
        ],
        "section": "topic-applications",
        "definition": "Batteries installed in a fixed place — a container at a solar farm, a cabinet in a home — to shift energy in time or support the grid. LFP cells dominate because cost per cycle and safety matter more than mass.",
        "related": [
          "lfp",
          "energy-management-system",
          "inverter",
          "energy-arbitrage",
          "long-duration-storage",
          "ul-9540a"
        ],
        "url": "https://lemonergy.com/learn/glossary/stationary-storage/",
        "mentions": []
      }
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    {
      "id": "term:nfpa-855",
      "type": "Term",
      "label": "NFPA 855",
      "properties": {
        "id": "nfpa-855",
        "name": "NFPA 855",
        "section": "topic-standards-stationary",
        "definition": "The US fire-protection standard for the installation of stationary energy storage systems: spacing between units, maximum energy per fire area, suppression, explosion control and the UL 9540A data needed to deviate from the defaults.",
        "related": [
          "ul-9540a",
          "stationary-storage",
          "fire-suppression",
          "ul-9540",
          "nfpa-70-706"
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        "url": "https://lemonergy.com/learn/glossary/nfpa-855/",
        "mentions": []
      }
    },
    {
      "id": "term:fire-suppression",
      "type": "Term",
      "label": "Fire suppression",
      "properties": {
        "id": "fire-suppression",
        "name": "Fire suppression",
        "section": "topic-safety",
        "definition": "Systems that cool or smother a battery fire: water mist and flooding for cooling, inert gas or aerosol for enclosed storage containers. Because the cell makes its own oxygen, suppression mainly limits spread and cools neighbours rather than extinguishing the failing cell.",
        "related": [
          "flammability",
          "thermal-propagation",
          "gas-detection",
          "stationary-storage",
          "firefighter-access"
        ],
        "url": "https://lemonergy.com/learn/glossary/fire-suppression/",
        "mentions": []
      }
    },
    {
      "id": "term:iec-62485",
      "type": "Term",
      "label": "IEC 62485",
      "properties": {
        "id": "iec-62485",
        "name": "IEC 62485",
        "aka": [
          "EN 50272"
        ],
        "section": "topic-standards-stationary",
        "definition": "The installation standard for secondary batteries and battery installations: ventilation, protection against electric shock, and the layout of battery rooms. Part 2 covers stationary batteries, part 3 traction batteries for industrial trucks.",
        "related": [
          "stationary-storage",
          "insulation-resistance",
          "lead-acid"
        ],
        "url": "https://lemonergy.com/learn/glossary/iec-62485/",
        "mentions": []
      }
    },
    {
      "id": "term:thermal-runaway",
      "type": "Term",
      "label": "Thermal runaway",
      "properties": {
        "id": "thermal-runaway",
        "name": "Thermal runaway",
        "section": "topic-safety",
        "definition": "Self-accelerating heating in a cell: heat speeds up reactions that release more heat, until the cell vents, catches fire or ruptures. An internal short, overcharge or external heating can trigger it.",
        "related": [
          "onset-temperature",
          "thermal-propagation",
          "venting",
          "separator-shutdown",
          "thermal-runaway-energy",
          "exothermic"
        ],
        "lesson": "fundamentals/cell-anatomy/#short-circuit",
        "url": "https://lemonergy.com/learn/glossary/thermal-runaway/",
        "mentions": [
          "overcharge"
        ]
      }
    },
    {
      "id": "term:kilowatt-hour",
      "type": "Term",
      "label": "Kilowatt-hour",
      "properties": {
        "id": "kilowatt-hour",
        "name": "Kilowatt-hour",
        "abbr": "kWh",
        "section": "topic-units",
        "definition": "One thousand watt-hours, the unit for pack and system energy. An electric car carries 40–100 kWh; grid storage is quoted in megawatt-hours (1000 kWh) and factory output in gigawatt-hours per year.",
        "unit": "kWh",
        "related": [
          "watt-hour",
          "nominal-energy",
          "cost-per-kwh",
          "gigafactory"
        ],
        "url": "https://lemonergy.com/learn/glossary/kilowatt-hour/",
        "mentions": []
      }
    },
    {
      "id": "term:enclosure",
      "type": "Term",
      "label": "Enclosure",
      "properties": {
        "id": "enclosure",
        "name": "Enclosure",
        "aka": [
          "battery housing",
          "battery tray"
        ],
        "section": "topic-pack",
        "definition": "The sealed case that carries the modules, protects them in a crash, keeps water out to an IP67 rating or better and vents gas in a thermal event. In many cars it is a structural part of the body.",
        "related": [
          "pack",
          "ip-rating",
          "cell-to-chassis",
          "venting",
          "gigacasting",
          "ul-94"
        ],
        "url": "https://lemonergy.com/learn/glossary/enclosure/",
        "mentions": []
      }
    }
  ]
}