Two planned datacentres in England are projected to produce more carbon emissions each year than the entire UK operations of fossil fuel giant ExxonMobil, according to a new analysis. The facilities, proposed for Buckinghamshire and Bedfordshire, are expected to emit 4.5 million tonnes of carbon dioxide annually once fully operational, a figure that experts say underscores the growing tension between the country's digital economy ambitions and its legally binding climate commitments.
The analysis, described as exclusive, highlights a significant blind spot in the UK's net-zero strategy. While datacentres are often promoted as engines of economic growth and technological innovation, their energy-intensive operations — from powering servers to cooling vast halls of equipment — carry a substantial environmental cost. The projected emissions from just these two sites would surpass the carbon footprint of ExxonMobil's UK activities, a comparison that illustrates the scale of the challenge as the nation expands its digital infrastructure.
Experts quoted in the analysis warn that the unchecked growth of datacentres poses a "serious threat" to the UK's ability to meet its climate goals. The UK has enshrined in law a target to reach net-zero greenhouse gas emissions by 2050, with interim carbon budgets designed to keep the country on track. However, the energy demands of new datacentres, many of which are being built to support cloud computing, artificial intelligence, and data storage, could undermine those efforts if not accompanied by robust renewable energy procurement and efficiency measures.
The two sites in question are part of a broader wave of datacentre construction across the UK, driven by surging demand for digital services. Industry analysts note that the sector's electricity consumption is rising rapidly, and without intervention, emissions from datacentres could become a major obstacle to decarbonisation. The analysis calls for greater scrutiny of the environmental impact of such projects, including assessments of their energy sources and carbon footprints, before planning permissions are granted.
Local communities and environmental groups have already raised concerns about the proposed facilities, citing not only emissions but also pressure on water resources and the visual impact on the countryside. The new data adds a quantitative dimension to those worries, suggesting that the climate consequences could be far more severe than previously understood. The comparison with ExxonMobil, a company often associated with fossil fuel extraction, is particularly striking given that datacentres are typically marketed as clean, modern infrastructure.
The findings come at a time when the UK government is actively courting investment in digital infrastructure, viewing it as a cornerstone of economic competitiveness. Recent policy announcements have sought to streamline planning processes for datacentres, classifying them as nationally significant infrastructure projects. Yet the analysis suggests that such enthusiasm may be outpacing the country's ability to reconcile these developments with its environmental obligations.
Industry representatives argue that datacentres can be part of the solution, pointing to innovations in energy efficiency, liquid cooling, and the use of renewable power purchase agreements. Some operators have committed to carbon-neutral operations, and the sector has made progress in reducing the carbon intensity of its energy use. However, the analysis indicates that these efforts may not be enough to offset the sheer scale of new capacity being planned.
The report's authors urge policymakers to consider the full lifecycle emissions of datacentres, including the embodied carbon in construction and the ongoing operational footprint. They also recommend that the government set clear standards for emissions intensity and require datacentres to demonstrate how they will align with the UK's carbon budgets. Without such measures, the analysis warns, the country risks building a digital future on a foundation of unchecked emissions.
As the debate intensifies, the two planned sites in Buckinghamshire and Bedfordshire have become a focal point for broader questions about how the UK balances technological progress with climate responsibility. The analysis does not suggest that the datacentres should be cancelled outright, but it does argue that their approval should be contingent on credible plans to mitigate their environmental impact. For now, the numbers serve as a stark reminder that the digital revolution, for all its benefits, carries a physical cost that cannot be ignored.
