AI data centres could undermine UK's net zero goals
The UK government’s new policy for AI data centres may undermine its net zero targets by permitting onsite gas-fired power generation while developers wait for grid connections. Four hyperscale data centres—including three in southern England—are reportedly planning to use gas, potentially emitting 4.1 million tonnes of CO₂ annually, more than the combined emissions of Manchester, Liverpool, and…
Key points
- Four UK data centres may use gas power, emitting **4.1M tonnes CO₂/year**—more than three cities combined
- Government permits onsite gas generation due to **72GW demand** vs. **45GW grid capacity**
- Developers say grid delays force temporary fossil fuel reliance; critics call it a net zero risk
The government insists data centres are essential for the economy and economy, citing the 72 gigawatts of pending demand—double the UK’s 2025 peak electricity usage of 45 gigawatts. A British Data Centre Covenant requires developers to fund local communities and protect water supplies but allows onsite power generation as a last resort. Critics, including environmental groups and local councillors, argue this sets a dangerous precedent, risking net zero progress and local pollution. Developers claim they are exploring renewable alternatives but cite feasibility challenges.
AI data centres could undermine UK's net zero goals
bbc.co.uk · 3 November 2026
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