{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema.nfh.global/EnergyResourceLoad/v1.1",
  "title": "EnergyResourceLoad",
  "description": "Typed schema for controllable load energy resources. v1.1: inherits EnergyResourceCommon/v1.1 (ratedPower, maxExport, maxImport as QuantitativeValue). CIM: EnergyConsumer / ConformLoad (IEC 61970-301).",
  "allOf": [
    { "$ref": "https://schema.nfh.global/EnergyResourceCommon/v1.1#EnergyResourceCommon" },
    {
      "type": "object",
      "required": ["id", "type"],
      "properties": {
        "type": {
          "type": "string",
          "enum": ["SMART_HVAC", "SMART_WATER_HEATER", "CONTROLLABLE_LOAD"],
          "description": "Asset-class discriminator. CIM: EnergyConsumer / ConformLoad (IEC 61970-301)."
        },
        "attributes": { "$ref": "#/$defs/EnergyResourceLoadAttributes" }
      }
    }
  ],
  "$defs": {
    "EnergyResourceLoadAttributes": {
      "allOf": [
        { "$ref": "https://schema.nfh.global/EnergyResourceCommon/v1.1#EnergyResourceCommonAttributes" },
        {
          "type": "object",
          "additionalProperties": true,
          "properties": {
            "controlProtocol": {
              "type": "string",
              "enum": ["OpenADR_2.0b", "OCPP_2.0.1", "SunSpec_Modbus", "EEBus", "Modbus", "Other"],
              "description": "Demand-response / control protocol supported by this load device."
            },
            "loadCategory": {
              "type": "string",
              "enum": ["Heating", "Cooling", "WaterHeating", "Lighting", "EV", "Industrial", "Other"],
              "description": "Functional category of this load. CIM: ConformLoad classification."
            }
          }
        }
      ]
    }
  }
}