RIO DE JANEIRO, Nov 17 (Reuters) - Brazil"s state-run power company Eletrobras (ELET6.SA) said in a presentation on Wednesday that the follow-on share offering for its privatization is expected to happen by May 2022. Eletrobras Chief Executive Rodrigo Limp said on a conference call that the company has decided to delay the transaction, which was previously expected to happen in February, so it could include data from the fourth quarter of 2021.