Bulgaria

The fire department of Berkovitsa / © Google Street View In 2019, the city of Berkovitsa in Bulgaria initiated an ambitious project to renovate severa

Summer Theater Complex. © In 2020, 91% of non-refurbished buildings in Bulgaria had a poor energy performance (class E, F and G). To promote the impro

Total annual energy consumption – 130,10 MWh/a or 40,38 kWh/m2/a
Primary energy consumption – 302,14 MWh/a or 93,78 kWh/m2/a
Building air tightness – n=0,30 h-1
CO2 emissions – 82,49 tco2/a
Renewable share of energy – 77% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting; equating to 29,39 MWh/a

Total annual energy consumption – 24,8 MWh/a or 95,3 kWh/m2/a
Primary energy consumption – 24,7 MWh/a or 95,0 kWh/m2/a
Building air tightness – n=0,50 h-1
CO2 emissions – 5,8 tco2/a
Renewable share of energy – 56% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting; equating to 27,25 MWh/a

Total annual energy consumption – 5801 kWh/a or 15,03 kWh/m2/a
Primary energy consumption – 17404 kWh/a or 45,09 kWh/m2/a
Building air tightness – n=0,50 h-1
CO2 emissions – 4,8 tco2/a
Renewable share of energy – 70% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting.

Total annual energy consumption – 7364 kWh/a or 36,56 kWh/m2/a
Primary energy consumption – 22092 kWh/a or 109,68 kWh/m2/a
Building air tightness – n=0,50 h-1
CO2 emissions – 6,03 tco2/a
Renewable share of energy – 62,4% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting; equating to 100,3 MWh per year

Total annual energy consumption – 108,51 MWh/a or 34,2 kWh/m2/a
Primary energy consumption – 102,5 kWh/m2/a or 101,8 kWh/m2/a
Building air tightness – n=0,50 h-1
CO2 emissions – 70,4 tco2/a
Renewable share of energy – 49% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting; equating to 100,3 MWh per year