SOFIA (Bulgaria), March 27 (SeeNews) – Bulgaria's Energo-Pro Varna, a fully-owned subsidiary of Czech power group Energo-Pro, has raised its buyout bids for power supplier Energo-Pro Sales [BUL:4ES] and power distributor Energo-Pro Grid [BUL:2EG] to 23.25 levs ($13/11.9 euro) and 164.42 levs per share, respectively, the two units said in separate statements on Friday.