2010-01-26 - With constant lighting control, this open plan office reduced its electricity bill for lighting by 13 percent, saving 29 kilowatt hours per day.
The building incorporates 123 rooms on three floors. The KNX installation consists of 14 lines with a total of 645 ABB i-bus® KNX components.
In addition to automation of the heating and cooling systems (presence-dependent, time controlled), particular emphasis was placed on constant lighting control.
Proven facts after one year of operation: in the open-plan offices, a energy saving of 13 percent on electrical lighting was verified by comparing previous and current consumption measurements.
In the measured area, this corresponds to a saving of 29 kWh per day or, (at a kWh price of 0.15 € ), 4.35 Euro per day.