SOFIA (Bulgaria), March 2 (SeeNews) -Â Bulgarian thermal power plant (TPP)Â Maritsa 3 [BUL:6TM] said that its consolidated net profit more than doubled to 5.6 million levs ($3.2 million/2.9 million euro) in 2019 from 2.6 million levs in 2018, as its revenue soared.