Office
The energy nZEB performance of SolarXXI can be considered as a reference year:
▪ Electric consumption: 22 kWh/m2.year
▪ Renewable electricity: 32kWh/m2.year taking into account all 3 PV systems.
Final energy consumption for heating and ventilation: 6.9 kWh/m2/a
Building part / RIC Pro-Akademia / National requirements for nZEB binding from 01/01/2021
External walls / 0.085 / 0.200
Roof / 0.085 / 0.150
Floor on the ground / 0.114 / 0.300
Windows / 0.800 / 0.900
Annual demand for final energy for heating and ventilation: 29 kWh/m2/a
CO2 emissions: 5.35 kg CO2 m2/a
Coverage of annual electricity demand by onsite renewable energy generation: 36%
Building part / Posejdon / National requirements for nZEB binding from 01/01/2021
External walls / 0.184 / 0.200
Roof / 0.144 / 0.150
Floor on the ground / 0.297 / 0.300
Windows / 0.900 / 0.900
Primary energy consumption: -12 kWh/m2 (plus-energy building)
Building part / RES Technology Transfer Centre / National requirements for nZEB in force since 01/01/2021
External walls / 0.11 / 0.20
Roof / 0.08 / 0.15
Floor on the ground / 0.06 / 0.30
Windows / 0.80 / 0.90
Source: Jaczewski, M. and Firląg, S., 2014. Charakterystyka budynku Centrum Transferu Technologii w obszarze OZE w kontekście wymagań dla standardu pasywnego. Acta Innovations, (13), pp.32-40.
Primary energy consumption: 25,06 kWh/(m2a)
Energy needed for heating: 14,19 kWh/(m2a)
Building tightness: 0,30 W/(m2K)
CO2 emissions: 4 kg/(m2a)
Renewable share of energy: 59 %
Primary energy consumption: 22.860,00 kWh/a or 20 kWh/(m2a)
Building tightness: 0,29 (719,35 W/K)
CO2 emissions: 1 kg/(m2a)
Renewable share of energy: 62 %
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
Primary energy consumption: 53.8 kWh/m²yr
Building tightness: 0.34 ach @ 50 Pa
CO2 emissions: 5.46 kgCO2e/yr
Renewable share of energy: 30.1%