{
  "version": "proto-1",
  "prototype": "c",
  "title": "Proposal C \u00b7 DER sidecar",
  "subtitle": "IEEE 1547 \u00b7 SunSpec \u2014 generation track separate from billing",
  "outOfScope": "STS, MPM prepaid, VMRS on inverter, revenue meter conflation",
  "groups": [
    {
      "id": "billing",
      "label": "Billing & payment",
      "short": "Billing"
    },
    {
      "id": "theft",
      "label": "Theft & losses",
      "short": "Theft & losses"
    },
    {
      "id": "integration",
      "label": "Integration & long-term freedom",
      "short": "Integration"
    }
  ],
  "problems": [
    {
      "id": "prob-inverter-mix",
      "group": "integration",
      "label": "Inverter vs billing"
    },
    {
      "id": "prob-leakage",
      "group": "theft",
      "label": "Line leakage"
    },
    {
      "id": "prob-neutral",
      "group": "theft",
      "label": "Neutral imbalance"
    },
    {
      "id": "prob-oam-revenue",
      "group": "billing",
      "label": "O&M revenue"
    }
  ],
  "hardware": [
    {
      "id": "feeder",
      "label": "Feeder instrumentation",
      "short": "Feeder"
    },
    {
      "id": "street-ems",
      "label": "Street EMS gateway",
      "short": "Street EMS",
      "desc": "Feeder aggregator only \u2014 no customer OBIS mix"
    },
    {
      "id": "mesh",
      "label": "MeshEMS \u00b7 DCU",
      "short": "MeshEMS / DCU"
    },
    {
      "id": "cloud",
      "label": "Operator cloud host",
      "short": "Cloud"
    }
  ],
  "softwareKinds": [
    {
      "id": "feeder",
      "label": "Feeder AMI",
      "short": "Feeder AMI"
    },
    {
      "id": "edge",
      "label": "Edge gateway",
      "short": "Edge"
    },
    {
      "id": "planning",
      "label": "Planning & architecture",
      "short": "Planning"
    }
  ],
  "software": [
    {
      "id": "sw-sunspec",
      "label": "SunSpec inverter telemetry",
      "kind": "feeder",
      "hardware": [
        "feeder"
      ],
      "specs": [
        "SunSpec",
        "Modbus"
      ],
      "href": "index.html#village-metering/vendor-study",
      "phase": [
        3
      ]
    },
    {
      "id": "sw-1547",
      "label": "IEEE 1547 policy layer",
      "kind": "feeder",
      "hardware": [
        "feeder",
        "cloud"
      ],
      "specs": [
        "IEEE 1547",
        "export limits"
      ],
      "href": null,
      "phase": [
        3
      ]
    },
    {
      "id": "sw-feeder-agg",
      "label": "Feeder aggregator (no OBIS)",
      "kind": "edge",
      "hardware": [
        "street-ems",
        "mesh"
      ],
      "specs": [
        "isolated register namespace"
      ],
      "href": "index.html#village-metering/meshems",
      "phase": [
        3
      ]
    },
    {
      "id": "sw-scope-split",
      "label": "Billing vs DER scope split",
      "kind": "planning",
      "hardware": [],
      "specs": [
        "procurement boundary"
      ],
      "href": "index.html#village-metering/overview",
      "phase": [
        3
      ]
    },
    {
      "id": "sw-loss-feeder",
      "label": "Feeder loss analytics",
      "kind": "feeder",
      "hardware": [
        "feeder",
        "cloud"
      ],
      "specs": [
        "neutral \u00b7 leakage reads"
      ],
      "href": null,
      "phase": [
        3
      ]
    }
  ],
  "links": [
    [
      "prob-inverter-mix",
      "sw-scope-split"
    ],
    [
      "prob-inverter-mix",
      "sw-feeder-agg"
    ],
    [
      "prob-inverter-mix",
      "sw-sunspec"
    ],
    [
      "prob-leakage",
      "sw-loss-feeder"
    ],
    [
      "prob-leakage",
      "sw-feeder-agg"
    ],
    [
      "prob-neutral",
      "sw-loss-feeder"
    ],
    [
      "prob-neutral",
      "sw-sunspec"
    ],
    [
      "prob-oam-revenue",
      "sw-1547"
    ],
    [
      "prob-oam-revenue",
      "sw-sunspec"
    ]
  ],
  "roadmapPhase": 3,
  "roadmapPhaseLabel": "Grid connectivity / DER sidecar"
}