Government Unaware of UK Datacentre Usage Amidst AI Boom, Raising Energy Concerns

5 September 2026 10 min readSource: theguardian.com
UK government does not know what datacentres are being used for, FoI request shows | Datacentres - UK | The Guardian

Executive summary

A Freedom of Information request reveals the UK government does not know what its datacentres are being used for, despite environmental impact fears from the AI boom. This lack of transparency is criticised as hundreds of new datacentres seek planning permission and grid connections, with potential consequences for energy and water resources.

Reporting based on theguardian.com

Why it matters

For UK AI infrastructure and energy readers, this article highlights a critical transparency gap: the government lacks insight into the purpose of the datacentres driving AI growth. This absence of information impedes informed decision-making regarding energy allocation, environmental regulation, and infrastructure planning, especially as these facilities place increasing demands on the National Grid and water supplies, directly impacting the UK's energy system stability and sustainability goals.

Sector impact

Analysis by AI Energy Intelligence UK

UK electricity demand

The article reports that 315 datacentres are currently queueing to connect to the National Grid, indicating a significant anticipated increase in electricity demand. Concerns are raised about the substantial energy consumption, with two planned sites projected to have higher carbon emissions than ExxonMobil in the UK, suggesting considerable pressure on the country's carbon targets and electricity supply.

UK energy security

While not explicitly stated as impacting energy security, the sheer number of datacentres awaiting grid connection (315) and their substantial power demands imply potential strain on the National Grid. The government's lack of knowledge about their usage raises questions about prioritisation of energy resources, especially if large-scale energy consumers are not serving clearly defined national economic or strategic benefits.

Businesses

The government's stance suggests that a pause on datacentre construction would send investment and jobs abroad, implying that the continued expansion of the datacentre sector is seen as vital for attracting foreign investment and creating employment. However, campaigners argue that prioritising these developments without understanding their purpose could lead to wasteful resource allocation, potentially impacting other essential businesses or infrastructure projects requiring grid access.

Consumers

Campaigners express concerns that water-hungry datacentres, designated as critical national infrastructure, could be prioritised over households during droughts. Anisah Khan of Global Action Plan states that when individuals face hosepipe bans, datacentres are 'gobbling up grid connections', suggesting potential resource competition that could negatively affect domestic consumers.

Key statistics

315
Datacentres queueing for National Grid connection

Figures as reported by theguardian.com. See original source for context.

Quotations

"not hold the requested information"

Department for Science, Innovation and Technology

"The government plans to steamroller over local opposition so private companies can build these facilities – yet they can’t even explain what the benefits are and who is benefiting."

Zack Polanski

"What is more ‘critical’ than people’s access to water? What is more ‘critical’ than our need to transition to a low-energy, low-pollution world so we can put the brakes on climate extremes?"

Zack Polanski

"It’s highly likely that we’re going to end up seeing datacentres given favourable and preferential treatment when it comes to resources that are actually running chatbots or enabling people to do benign and very wasteful, pointless things."

Oliver Hayes of Global Action Plan

"When individuals across the country are facing hosepipe bans and essential housebuilding is being delayed because datacentres are gobbling up grid connections, what we need is not more chatbots at any cost."

Anisah Khan, campaigns manager at Global Action Plan

"A pause on building new datacentres would simply send investment and good jobs abroad, while leaving Britain dependent on other countries for the processing of sensitive health and defence data. Put simply: it would be a disaster for jobs and national security."

Government spokesperson

Long-term implications

The long-term implications point towards potential resource conflicts and a lack of strategic oversight in the UK's digital infrastructure development. Without understanding datacentre usage, the government risks misallocating critical resources like electricity and water, potentially undermining environmental targets and public welfare. The push to bypass local planning via the Nationally Significant Infrastructure Project scheme could lead to unchecked expansion with significant environmental and social costs, prompting calls for moratoria and stricter environmental safeguards.

AIChatbots

Frequently asked questions

Does the UK government know what datacentres are being used for?

No, a Freedom of Information (FoI) request showed the Department for Science, Innovation and Technology stated it did 'not hold the requested information' regarding the usage of the largest datacentre sites.

What are the concerns about datacentre expansion in the UK?

Concerns include the environmental impact, high resource consumption (electricity and water), lack of transparency, and potential for datacentres to bypass local scrutiny through the Nationally Significant Infrastructure Project scheme. There are also worries about their impact on carbon targets and competition for water resources.

How many datacentres are awaiting connection to the National Grid?

There are 315 datacentres queueing to connect to the National Grid.

Are datacentres considered critical national infrastructure in the UK?

Yes, the government designated datacentres as critical national infrastructure in 2024.

What is the government's argument against pausing new datacentre construction?

A government spokesperson stated that a pause would send investment and jobs abroad, and leave Britain dependent on other countries for processing sensitive data, calling it a 'disaster for jobs and national security'.

Original source

This story summarises reporting from theguardian.com. Read the original for full context.

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The measured evidence behind this story

Our reporting sits on top of the UK AI Energy Index — a sourced, dated record of AI and data-centre electricity demand, data-centre development and grid pressure.

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