query: #added before 2016-10
   SELECT DISTINCT ?item ?Titre ?instanceof ?instanceofLabel (year(?date) as ?AnneeCreation) ?image ?coord 
  WHERE
  {
     ?item wdt:P31/wdt:P279* wd:Q159719.                    # power station
     {?item wdt:P131 wd:Q408.}                               # ... situated in Australia
     UNION
     {?item wdt:P131 ?arr.                                  # ... or in the administrative territory of Australia
     ?arr wdt:P131 wd:Q408. } 
     ?item rdfs:label ?Titre filter (lang(?Titre) = "en").  # Title
    
     OPTIONAL {?item wdt:P31 ?instanceof .
               FILTER (?instanceof!=wd:Q159719) .
              }  # Instance of
     OPTIONAL {?item wdt:P571 ?date.}                       # date of creation (option)
     OPTIONAL {?item wdt:P18  ?image.}                      # image (option)
     OPTIONAL {?item wdt:P625 ?coord.}                      # geographic coordinates (option)
     SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
     }
  }