Sensors & transducers
MAXIMISING DATACENTRE UPTIME WHILE MINIMISING CO2 EMISSIONS
The datacentre sector is experiencing
unprecedented pressure from a number of
directions. Customers are demanding the highest levels of performance and sustainability, alongside financial, environmental and political pressure to improve energy efficiency. At the same time, recent growth in the demand for Datacentres is set to accelerate further with increasing
investment in AI infrastructure, and growing concern about a lack of capacity in AI-ready Datacentres. In the following article, Anu Kätkä an expert in environmental monitoring and control from Vaisala, explains how Datacentre companies can respond to external pressures by utilising the latest measurement technologies to optimise both energy efficiency and operational uptime.
20 D
atacentres account for at least one per cent of global electricity consumption, so notwithstanding escalating energy costs, and in the context of climate change, it is essential that Datacentres
are able to optimise their energy efficiency and reduce CO₂ emissions.
Up to 40 per cent of energy consumption in Datacentres is used for cooling and air conditioning. So, reduction in energy use for these purposes will help to improve energy efficiency. However, the performance of computers and servers in Datacentres can be adversely affected if there is insufficient cooling – overheating can cause IT equipment to fail, resulting in significant and costly downtime. A fine balance therefore exists between minimising the energy consumption of cooling operations and maximising the uptime of IT equipment. This is why accurate, reliable sensors play such an important role.
The control of HVAC systems can only be as accurate and precise as the sensors upon which they depend. If the measurements are inaccurate, the output of the building management system (BMS) controller will also be inaccurate. If a poor-quality sensor gives an incorrectly high temperature reading, the controller will react by over cooling and thereby increasing energy
May 2025 Instrumentation Monthly
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