April 29 (SeeNews) - Power utility CEZ Electro Bulgaria [BUL:1CZ], part of Czech energy group CEZ, said on Wednesday that its net profit more than doubled to 6.4 million levs ($3.5 million/3.3 million euro) in the first quarter of 2020 from 2.6 million levs in the same period of 2019, backed by higher revenue.