[
   {
      "verwaltungseinheit" : "Rheinisches Revier",
      "gkz" : null,
      "jahr" : "2019",
      "kollektorflaeche_m2" : 199789.85350000003,
      "ertrag_th_gwh" : 79.91594140000001,
      "stand" : "20240901",
      "quelle" : "LANUK"
   }
]