EkkoSense Case Study – Three secures cooling energy savings across four sites

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Read this case study from EkkoSense. It explores how Three secured cooling energy savings across four sites of 200 kW against an initial 196 kW projection, representing a 12.5% data centre cooling energy saving in just ten weeks.

Key Challenges

In order to help mitigate data centre energy costs, Three required its data centre operations teams to secure a 5% energy consumption reduction across its legacy data centre facilities. These facilities were all over 20 years’ old, and were already part of a programme of business transformation. However, the Three team also needed to make sure that the sites were able to run as cost-efficiently as possible.

The Solution

The Three data centre operations team’s success in delivering against its 5% corporate energy savings target with this project has also gained significant interest from the broader Three business. The EkkoSense software-based approach to optimisation has already been demonstrated to the company’s Technology Services team, with the focus on showing how it’s possible to secure significant improvements in the energy consumption of legacy environments.

Like their data centre colleagues across the industry, operations teams are under continuous pressure to deliver energy savings to help meet corporate efficiency targets. By pursuing a software-enabled, AI-powered approach to performance optimisation, data centre teams can gather the real-time performance insights they need to ensure optimum performance – while also securing quantifiable energy savings from their operations.

That’s what Three, EkkoSense and CBRE have achieved at Three’s four UK legacy facilities, helping to not only optimise cooling and thermal performance but also to provide the real-time operational visibility needed to secure further energy savings going forward




Reduce cooling energy costs by an average of 30%. Focused cooling performance recommendations and advisory actions with our industry first cooling advisor tool.

Release up to 60% stranded cooling capacity. Correlate your cooling with IT workload using advanced analytics.

Remove thermal and power risks and avoid costly downtime. 100% ASHRAE thermal compliance and comprehensive power monitoring prevents tiny dropouts developing into big outages.

Reduce your carbon footprint on your journey towards net zero. Cutting data centre cooling energy usage with EkkoSense unlocks immediate carbon savings to support corporate net zero programmes.

Complete operational visibility in real-time. Local and remote granular insight with any device, at anytime, from anywhere in the world.

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Published 8th November 2023