February 12 (SeeNews) - Bulgaria’s sole nuclear power plant, Kozloduy, said on Friday its preliminary after-tax profit came in 4.0% ahead of plan at 65.8 million levs ($45.6 million/33.6 million euro) in 2009 as gross electricity production fell 3.2% to 15.256 million megawatthours (MWh) on weak demand.