Unit 5 produced some 781 GWh of power, while unit 6's output was just under 740 GWh, NPP Kozloduy said in a monthly bulletin.
In the first eleven months of the year, NPP Kozlouy's output totalled 15,062 GWh.
NPP Kozloduy has two operational units - Units 5 and 6 - of 1,000 MW each.