UPDATE 1-Brazil AES Eletropaulo sees risk of 'financial collapse'
May 11, 2016 at 12:59 PM EDT
SAO PAULO, May 11 (Reuters) - Brazilian power distribution company Eletropaulo Metropolitana Eletricidade de São Paulo SA risks "financial collapse" if rules governing power purchasing contracts are not changed, it said in a letter to regulators last month.