{
  "elements": [
    { "type": "SelectVariable", "name": "VarProduction",  "caption": "Produktion (kWh)" },
    { "type": "SelectVariable", "name": "VarConsumption", "caption": "Verbrauch (kWh)" },
    { "type": "SelectVariable", "name": "VarFeedIn",      "caption": "Einspeisung (kWh)" },
    { "type": "SelectVariable", "name": "VarGrid",        "caption": "Bezug Netz (kWh)" }
  ]
}