List of figures and tables ..7 Fig.1 Dependence on fuel imports 2008,..... fig. 2 Structure of the input energy carriers in 2008, % based on thousand tons of conventional fuel..... production of electric and thermal energy.8 13 fig. 3 Emissions of greenhouse gases by sector, million tons of CO2 equivalent (1990-2008).. fig 4 Shares of renewable sources of their technical potential in Bulgaria,..... Table 1. Technical potential of renewable energy sources in Bulgaria according to an updated estimate from 2009... 17 17 fig 5. Overproduction/shortage of energy produced from renewable sources in Bulgaria, 2010-2020, when improving the mechanisms for promoting RES, which... fig b. Gross internal energy consumption - baseline scenario and scenario with additional energy efficiency 25 ENERGY STRATEGY OF THE REPUBLIC OF BULGARIA UNTIL 2020