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UK drivers' move to EVs will save 2.9 Mt of CO₂. 10 AI data centres will emit 2.75 with 140 in the queue

ended 08. May 2026

Britain's drivers switching to electric vehicles will save an estimated 2.9 million tonnes of CO₂ in 2025. Ten AI data centres currently in planning or construction will emit 2.75 million tonnes annually. The figures come from developers' own documents, measured against the Climate Change Committee's projections.

That is ten sites. Ofgem stated that the grid connection queue now contains 140 data centre projects requesting 50 gigawatts of electricity which is 5 gigawatts more than Britain's entire peak demand this February. The goverment's consultation “Accelerating electricity network connections for strategic demand” showed that grew 460% in six months.

The emissions figure covers ten sites. Nobody has published an equivalent calculation for 140. 

The Seventh Carbon Budget, covering 2038 to 2042, the projected peak of data centre energy demand, contains no reference to data centres.

The UK government has committed £2.3 billion to EV tax breaks and charging infrastructure, including a £2 billion Electric Car Grant running to 2030 support the industry and drivers by reducing the prices of new, eligible EVs priced at or under £37,000. That is taxpayer money spent to achieve the 2.9 million tonne saving now being wiped out by AI Growth Zone planning approvals.

We'd like your views:

  • How will the government manage the electorate's expectations when their perceived efforts to improve the environment are obliterated by another goverment policy?
  • Foxglove's carbon analysis covers ten sites. There are now 140 in the grid queue. Should planning approvals pause until they do?
  • If data centre developers' own carbon estimates vary wildly between sites of similar size, should standardised, independently assessed and verified emissions reporting be a condition of planning consent?

4 responses from the Newspage community

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Colette Mason
AI Ethics Consultant at Clever Clogs AI
The AI arms race makes these trade-offs complex. Stopping means hostile actors actively pursue cyber, military and biological advantages faster than nations can self-protect. That is not an argument for building without conditions but it does rule out going 'cold turkey'.

But the people absorbing the consequences deserve to know the physical scale of what is being approved. A typical Tesco Extra store occupies around 60,000 sq ft. Three UK data centre sites currently in planning:
Elsham Tech Park, North Lincolnshire: 16.1m sq ft or 268 stores
East Havering Data Centre Campus, London Borough of Havering: 4.3m sq ft or 72 stores
Cambois Data Centre, Northumberland: 5.8m sq ft or 97 stores

That's 437 Tesco Extras' worth of land, consuming electricity round the clock, drawing water, generating heat and noise that neighbouring communities will live with for decades. Taxpayers funded £2.3bn to get drivers into EVs. Nobody asked those same taxpayers whether they wanted this result.
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Mitali Deypurkaystha
AI Governance Strategist & CMO at AISensa
2.9 million tonnes of carbon savings risk becoming a political and psychological own goal if voters start feeling their personal sacrifices are being quietly cancelled out elsewhere. People will recycle in the rain, pay more for EVs and change their habits when they believe everyone is pulling in the same direction, but frustration turns into apathy the moment government policy starts sending mixed messages. The danger is not just carbon emissions, but emotional emissions: millions of people deciding there is no point bothering because industrial-scale energy projects appear to wipe out the gains households were told mattered. The real risk for ministers is creating net-zero fatigue, where public trust collapses not because people oppose climate action, but because they stop believing the rules apply equally to everyone.
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Katrina Young
Futurist | Chief Technology Officer CTO/CDO Ethical AI & Digital Transformation Strategist at KYC Digital
The conversation around AI replacing jobs is becoming dangerously oversimplified. AI may reduce the size of some teams, but it also expands operational, legal and governance exposure at scale. One person using AI is not automatically equivalent to 80 specialists when security, infrastructure, QA, compliance, data governance, accessibility, resilience and accountability are factored in. Most businesses are still underestimating the hidden layers required to operationalise AI safely in live environments. The real competitive advantage will not come from who deploys AI fastest, but from who can build systems that are sustainable, secure, explainable and commercially resilient under pressure. The next phase of AI adoption is less about prompting tools and more about proving operational maturity.
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Rohit Parmar-Mistry
Founder at Pattrn Data
This is the kind of carbon accounting that makes the public lose trust. Drivers are being asked to change cars, change habits and accept public subsidy for EVs, then they see AI data centres arriving with energy demands big enough to wipe out much of that progress.

The issue is not that data centres are automatically bad. It is that ministers are treating AI growth as if it sits outside the same carbon budget as everything else. It does not. If ten sites can rival the annual CO₂ saving from millions of EVs, then 140 projects in the grid queue cannot be waved through on vibes, forecasts and developer-written numbers.

The practical test is simple: standardised emissions reporting, independent verification before consent, and a published grid and carbon impact for the whole pipeline, not one site at a time. Otherwise the UK risks spending billions helping households decarbonise while quietly handing the saving back to infrastructure built for an AI boom nobody has properly costed.