REFRIGERATION DATA CENTRES


innovation as a cornerstone of their sustainability eff orts. Indeed, companies in the sector are continually looking to innovative sustainability strategies that include ‘green’ renewable sources of power, rainwater harvesting, zero water cooling systems, recycling, waste management and much more. One great example is the strategic re-evaluation of cooling equipment. By altering the point in the cooling cycle at which water is introduced, operators can make substantial reductions in water consumption. Implementing this practice, along with other effi ciency initiatives can save up to 55% water consumption, and also reduce use of associated consumables such as water fi lters and associated maintenance. These kinds of innovative approaches help to ensure that water usage is minimised precisely when it matters most - during periods of the highest outside temperatures. In a signifi cant shift towards sustainability, an increasing number of data centre operators are pivoting towards harnessing renewable energy sources to power their facilities. This transition not only serves to substantially reduce their carbon footprint, mitigating the environmental impact of their operations, but it also reaffi rms their commitment to sustainable practices.


Collaborative responsibility It’s important to note that achieving sustainable data centres


is a goal that cannot be reached in isolation. It necessitates industry-wide collaboration and knowledge-sharing to make real change possible. Data centre operators are already coming together to share best practices, techniques, and insights, with a particular focus on water-saving strategies. This collaborative approach magnifi es the impact of sustainability initiatives and accelerates progress toward shared environmental objectives. The collective responsibility of the data centre industry


to reduce its environmental impact is an inspiring model for other sectors too. As data centre operators unite in their commitment to sustainability, they set a powerful precedent for industries worldwide. They demonstrate that sustainability is not just a buzzword but a tangible goal that can be achieved through creativity, innovation, and concerted eff ort.


A bright future ahead The data centre industry has made a great deal of progress


in terms of developing and implementing innovative cooling solutions which have the potential to reduce the environmental impact of the data centre. The right cooling solutions are crucial to helping providers meet their green ambitions and positively aff ect customer ESG targets. And, in a world where temperature peaks are becoming


increasingly severe, continuous innovation and development are paramount. Data centre operators are at the forefront of this charge, exemplifying how sustainability goals can be met through creativity, innovation, and collaboration. As they address water usage and other environmental challenges head-on, data centre operators are lighting the path toward a more sustainable digital future.


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Leading by example


The team at Virtus is committed to taking signifi cant steps towards sustainability, recognising the critical need to balance operational excellence with environmental responsibility. The company has set ambitious sustainability targets, with a particular focus on water usage reduction where adiabatic cooling is deployed.


One of its notable initiatives involves the re-evaluation of cooling equipment. By carefully managing the point in the cooling cycle at which water is introduced, Virtus has achieved signifi cant reductions in water usage, demonstrating its commitment to environmental stewardship.


This is showcased at the London2 data centre in Hayes, London. The mission is twofold: to enhance electrical effi ciency and optimise water usage, driven by the recognition of the pivotal role data centres play in minimising their environmental impact wherever possible.


In the UK, where ambient conditions provide the ideal backdrop, Virtus had already harnessed adiabatic cooling technology to cool the data halls effi ciently. Leveraging the day / night cycle, free cooling was implemented to maintain the desired temperature within the facility.


What makes London2 exceptional is its strategic location above a natural aquifer, enabling the use of water that is not drawn from the public supply - another example of its commitment to responsible resource management by design.


Moreover, Virtus is a pioneer in renewable energy adoption, powering facilities with 100% renewable energy sources combined with Power Purchase Agreements (PPAs). These agreements allow Virtus to directly purchase energy from a renewable energy provider over a set period of time. Companies that do this help the renewable energy industry to fi nance new renewable projects, increasing the availability of renewable energy on the market, and supports the growth of sustainable energy generation. In this way, Virtus not only reduces its carbon emissions but also demonstrates its dedication to sustainable practices that extend beyond water usage.


www.acr-news.com • November 2023 25


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