Corporate Headquarters
Sector: Technology
Customer Profile
- The UK Headquarters of a technology company with global coverage, employing 1,100 people at a prime 1980s office campus in the Thames Valley
- Footprint of 8,300m2 / 98,340 sq.ft.
- 800kW peak electrical capacity – mostly servicing heating, ventilation, and air conditioning (HVAC) load
- Existing Building Management Systems and Controls in place, upgraded in 2009
Demand Side Response Strategy
- Reduce Variable Speed Drives (VSD) speed controller set point from 45 Hz to 25 Hz on Supply and Extract Fans for four Air Handling Units (AHUs)
- Reduce VSD pump speed controller set point from 45 Hz to 25 Hz for chilled water pumps, constant temperature pumps and compensation pumps
- Increase temperature set point by 20C on two 115 kW multi-stage, air-cooled compressors on Building One’s chiller
- Increase temperature set point by 20C on two 160 kW multi-stage, air-cooled compressors on Building Two’s chiller
- Lake water system pump and return water feature pump to be maintained at 40%
800 kW
Peak electrical capacity
8,300 m2
Building footprint
1,100
Building users
9am – 5pm
Working hours
Outcomes
240 kW
Load shed
134,000 kg
CO2 reduction over 5 years
£75,000
Financial benefit over 5 years
| No negative impact on comfort conditions of occupants. | |
| No capital outlay for the building society. | |
| Additional cost savings from plant optimisation. |