{
  "node": {
    "id": "term:ferc-order-2222",
    "type": "Term",
    "label": "FERC Order 2222",
    "properties": {
      "id": "ferc-order-2222",
      "name": "FERC Order 2222",
      "aka": [
        "Order No. 2222",
        "DER aggregation rule"
      ],
      "section": "topic-infrastructure",
      "definition": "The US Federal Energy Regulatory Commission’s order of September 2020 requiring regional grid operators to let aggregations of distributed energy resources — batteries, electric vehicles and their chargers, rooftop solar, demand response — take part in wholesale electricity markets, with a minimum aggregation size of no more than 100 kW.",
      "related": [
        "virtual-power-plant",
        "demand-response",
        "stationary-storage",
        "vehicle-to-grid",
        "behind-the-meter"
      ],
      "url": "https://lemonergy.com/learn/glossary/ferc-order-2222/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:6804",
      "source": "term:ferc-order-2222",
      "target": "topic:topic-infrastructure",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:6805",
      "source": "term:ferc-order-2222",
      "target": "term:virtual-power-plant",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6806",
      "source": "term:ferc-order-2222",
      "target": "term:demand-response",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6807",
      "source": "term:ferc-order-2222",
      "target": "term:stationary-storage",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6808",
      "source": "term:ferc-order-2222",
      "target": "term:vehicle-to-grid",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6809",
      "source": "term:ferc-order-2222",
      "target": "term:behind-the-meter",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-infrastructure",
      "type": "Topic",
      "label": "Charging infrastructure",
      "properties": {
        "id": "topic-infrastructure",
        "name": "Charging infrastructure",
        "lede": "Where and how vehicles are charged: charging strategies, power levels, connectors and the protocols between vehicle and charger.",
        "context": "Separate compatibility from requested average power.",
        "example": "A 100 kW model request does not establish real voltage, current, connector or negotiation compatibility.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open charging quantities"
      }
    },
    {
      "id": "term:virtual-power-plant",
      "type": "Term",
      "label": "Virtual power plant",
      "properties": {
        "id": "virtual-power-plant",
        "name": "Virtual power plant",
        "abbr": "VPP",
        "section": "topic-infrastructure",
        "definition": "Many small, distributed resources — home batteries, electric vehicles, rooftop solar, heat pumps — aggregated by software and dispatched together as if they were one power station. A few thousand home batteries add up to tens of megawatts of fast, controllable capacity that can trade energy and provide frequency services.",
        "related": [
          "demand-response",
          "stationary-storage",
          "behind-the-meter",
          "frequency-regulation",
          "ferc-order-2222",
          "vehicle-to-grid"
        ],
        "url": "https://lemonergy.com/learn/glossary/virtual-power-plant/",
        "mentions": []
      }
    },
    {
      "id": "term:demand-response",
      "type": "Term",
      "label": "Demand response",
      "properties": {
        "id": "demand-response",
        "name": "Demand response",
        "aka": [
          "DR",
          "demand-side response",
          "demand-side flexibility"
        ],
        "section": "topic-infrastructure",
        "definition": "Changing electricity consumption in answer to a price signal or a grid operator’s request, rather than adding generation. Pausing a fleet’s charging during an evening peak, or letting a home battery carry the house load for an hour, are typical examples; aggregated, such flexible loads can be paid as grid services.",
        "related": [
          "smart-charging",
          "virtual-power-plant",
          "energy-arbitrage",
          "frequency-regulation",
          "ferc-order-2222"
        ],
        "url": "https://lemonergy.com/learn/glossary/demand-response/",
        "mentions": []
      }
    },
    {
      "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": []
      }
    },
    {
      "id": "term:vehicle-to-grid",
      "type": "Term",
      "label": "Vehicle-to-grid",
      "properties": {
        "id": "vehicle-to-grid",
        "name": "Vehicle-to-grid",
        "abbr": "V2G",
        "aka": [
          "V2L",
          "V2H",
          "bidirectional charging"
        ],
        "section": "topic-infrastructure",
        "definition": "Discharging a vehicle’s battery back into a house or the grid through a bidirectional charger, so parked cars act as storage. Vehicle-to-load and vehicle-to-home are the simpler forms that power appliances or a house directly.",
        "related": [
          "electric-vehicle",
          "stationary-storage",
          "energy-arbitrage",
          "cycle-aging"
        ],
        "url": "https://lemonergy.com/learn/glossary/vehicle-to-grid/",
        "mentions": [
          "charger"
        ]
      }
    },
    {
      "id": "term:behind-the-meter",
      "type": "Term",
      "label": "Behind-the-meter and front-of-the-meter",
      "properties": {
        "id": "behind-the-meter",
        "name": "Behind-the-meter and front-of-the-meter",
        "abbr": "BTM, FTM",
        "aka": [
          "behind the meter",
          "front of the meter",
          "utility-scale storage"
        ],
        "section": "topic-applications",
        "definition": "Where a storage system sits relative to the customer’s electricity meter. Behind-the-meter batteries in homes, shops and factories serve the site first — solar self-consumption, backup, cutting demand charges; front-of-the-meter systems connect directly to the grid and earn from wholesale trading and grid services at utility scale.",
        "related": [
          "stationary-storage",
          "energy-arbitrage",
          "frequency-regulation",
          "virtual-power-plant",
          "microgrid"
        ],
        "url": "https://lemonergy.com/learn/glossary/behind-the-meter/",
        "mentions": []
      }
    }
  ]
}