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A major UK data centre claims 'water-free' cooling, but a new analysis reveals its true consumption could be 50 times higher—a stark lesson for Kenya's own tech ambitions in a water-scarce nation.

A US tech operator, QTS, is facing scrutiny over the true water footprint of what is slated to become the United Kingdom's largest data centre. While the company has promoted its 'water-free' cooling system, a startling new analysis suggests its actual water consumption could be over 5,000% higher than officially stated, igniting a fierce debate on the hidden costs of the global AI boom.
For Kenya, a nation aggressively pursuing its own digital future through projects like the Konza Technopolis, this controversy is more than just foreign news; it's a critical cautionary tale. As we attract massive investment into our own data hubs, the situation in the UK raises urgent questions about the potential strain on our already precious water resources.
The core of the issue lies in the definition of water use. QTS officially estimates its initial operations in Northumberland will consume 2.3 million litres of water annually. However, research by data scientist Alex de Vries-Gao presents a dramatically different picture. His methodology, which accounts for the 'indirect' water used to generate the immense electricity required to power AI servers, places the figure at 124 million litres per year.
When the entire campus of 10 data halls is operational, this indirect consumption could soar to 621 million litres annually—equivalent to the yearly water usage of over 11,000 people. This distinction between direct and indirect water use is crucial, as data centres are among the most energy-intensive industries in the world.
In its defence, QTS noted its power is sourced from carbon-neutral sources and that it “does not control the quantity of any water utilised in the power generation process.” But critics argue that tech companies must be held accountable for the entire environmental footprint of their energy demands.
Kenya is officially classified as a water-scarce country, with projections showing available water per capita could halve by 2050. Against this backdrop, the prospect of data centres consuming hundreds of millions of litres of water annually is alarming. The government has rightly pushed for global standards to account for the environmental footprint of AI infrastructure, a burden increasingly borne by African nations.
Initiatives at Konza Technopolis, such as a state-of-the-art wastewater reclamation facility, demonstrate a commitment to sustainability. Yet, the UK controversy underscores the need for absolute transparency and rigorous assessment of both direct and indirect resource consumption before major projects are approved. As Kenya positions itself as a leader in Africa's digital economy, with a focus on green energy like geothermal power for data centres, it must also lead in environmental accountability.
The debate unfolding in Northumberland is a critical reminder. As we build our 'Silicon Savannah', we must ensure its foundations are not built on a hidden water debt that future generations of Kenyans cannot afford to pay.
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