anchor.diff:      'Zone K': 61762,
     };
   
  +  final loadZoneNameToPtid = <String, int>{
  +    'WEST': 61752,
  +    'CAPITL': 61757,
  +    'CENTRL': 61754,
  +    'DUNWOD': 61760,
  +    'GENESE': 61753,
  +    'HUD VL': 61758,
  +    'LONGIL': 61762,
  +    'MHK VL': 61756,
  +    'MILLWD': 61759,
  +    'N.Y.C.': 61761,
  +    'NORTH': 61755,
  +  };
  +
     /// Allowed service types in this ISO
     @override
     final serviceTypes = <String>{
  
positive.code:   tz.Location preferredTimeZoneLocation = tz.getLocation('America/New_York');
  
    @override
    final Map<String,int> loadZones = {
      'AECO': 51291,
      'AEP': 8445784,
      'APS': 8394954,
  
negative.code:   @override
    // TODO: implement loadZones
    Map<String, int> get loadZones => throw UnimplementedError();
  }
  
  //class Caiso extends Iso {
  