Consegui que isso funcionasse em alguns dados publicados pelo site do Gapminder como folhas do Google. Acabei de começar a partir da faixa de opções PQ, do botão "Da Web" e colei na URL:
Na página Navegador, escolhi Dados.
Olhando para o código gerado, parece que o PQ é inteligente o suficiente para envolver uma função do Excel em torno da função da Web.
let
Source = Excel.Workbook(Web.Contents("http://spreadsheets.google.com/pub?key=0AkBd6lyS3EmpdFhPbDdCTTYxM1dGc21UdE9sSkp1WEE&output=xls"), null, true),
Data_Sheet = Source{[Item="Data",Kind="Sheet"]}[Data],
#"Changed Type" = Table.TransformColumnTypes(Data_Sheet,{{"Column1", type text}, {"Column2", type number}, {"Column3", type number}, {"Column4", type number}, {"Column5", type number}, {"Column6", type number}, {"Column7", type number}, {"Column8", type number}, {"Column9", type number}, {"Column10", type number}, {"Column11", type number}, {"Column12", type number}, {"Column13", type number}, {"Column14", type number}, {"Column15", type number}, {"Column16", type number}, {"Column17", type number}, {"Column18", type number}, {"Column19", type number}, {"Column20", type number}, {"Column21", type number}, {"Column22", type number}, {"Column23", type number}, {"Column24", type number}, {"Column25", type number}, {"Column26", type number}, {"Column27", type number}, {"Column28", type number}, {"Column29", type number}, {"Column30", type number}, {"Column31", type number}, {"Column32", type number}, {"Column33", type number}, {"Column34", type number}, {"Column35", type number}, {"Column36", type number}, {"Column37", type number}, {"Column38", type number}, {"Column39", type number}, {"Column40", type number}, {"Column41", type number}, {"Column42", type number}, {"Column43", type number}, {"Column44", type number}, {"Column45", type number}, {"Column46", type number}, {"Column47", type number}, {"Column48", type number}, {"Column49", type number}, {"Column50", type number}, {"Column51", type number}, {"Column52", type number}})
in
#"Changed Type"