[
   {
      "verwaltungseinheit" : "Düsseldorf",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 40124.89,
      "ertrag_th_gwh" : 16.049955999999998,
      "stand" : "20240901",
      "quelle" : "LANUK"
   },
   {
      "verwaltungseinheit" : "Köln",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 81203.16617499998,
      "ertrag_th_gwh" : 32.48126647,
      "stand" : "20240901",
      "quelle" : "LANUK"
   },
   {
      "verwaltungseinheit" : "Regionalverband Ruhr",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 50645.629274999985,
      "ertrag_th_gwh" : 20.25825171000001,
      "stand" : "20240901",
      "quelle" : "LANUK"
   },
   {
      "verwaltungseinheit" : "Münster",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 49976.171500000026,
      "ertrag_th_gwh" : 19.990468599999996,
      "stand" : "20240901",
      "quelle" : "LANUK"
   },
   {
      "verwaltungseinheit" : "Detmold",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 68574.787675,
      "ertrag_th_gwh" : 27.429915069999996,
      "stand" : "20240901",
      "quelle" : "LANUK"
   },
   {
      "verwaltungseinheit" : "Arnsberg",
      "gkz" : null,
      "jahr" : "2003",
      "kollektorflaeche_m2" : 45200.69150000001,
      "ertrag_th_gwh" : 18.0802766,
      "stand" : "20240901",
      "quelle" : "LANUK"
   }
]