Technical details

Solar panels

 18 x SM 40 = 720 watt (Arco Solar, 1985)
 20 x SM 50 = 1,000 watt (Siemens Solar, 1986)
 20 x SM 65 = 1,300 watt (Siemens Solar, 1987)
 21 x REC 220 = 4,620 watt (REC, 2007)
260 x SM 110 = 28,600 watt (Siemens Solar, 2005)
187 x SM 110 = 20,570 watt (Siemens Solar, 2001)
180 x Shell Eclipse 80 = 14,400 watt (Shell Eclipse, 2006)
650 x Evergreen ES-190RL = 123,500 watt (Evergreen, 2007)
876 x 3230N poly = 201,480 watt (BP, 2009)

Small wind turbine

1.0 kW / 24 V / 2.7 m / two rotor blades
Whisper 1000 World Power Tech. (Southwest Windpower, 1987)

Solar electric system for self consumption

55 x Yingli Panda 60 Cell 255 = 14,025 watt (Yingli, 2013)
1 x Kostal Piko 5,5
1 x Kostal Piko 8,3
1 x Steca XTH 5000/24 charge controller and UPS
12 x OPzS Solar Power 2V / 1670 AH
Total capacity of the battery: 20040 AH

Solar thermal system

2 solar collectors, size: 2 x 6 m = 24 sqm (TiSUN)
2 x 750 l thermosiphon tank

Wood pellet heating system

48 kW ÖkoFEN pellet boiler with vacuum suction system / 9 t fabric tank
25 kW ÖkoFEN pellet boiler with vacuum suction system / 3.2 t fabric tank (peak load boiler)

Buildings

6,120 sqm total area, with:

offices: 1,616 sqm, warehouses: approx. 4,323 sqm, workshop: 181 sqm

Passive house standard