EPA guidance weakens air quality monitoring at data centres

The EPA has issued guidance that weakens enforcement of the Clean Air Act's most potent mechanism for monitoring power plant emissions. The move effectively sidelines continuous emissions monitoring systems – the statutory requirement that power plants measure and report pollution in real time – in favour of less rigorous alternatives.

This matters because data centre operators, facing surging electricity demand from AI infrastructure, are now incentivised to build their own on-site power generation. Without mandatory real-time monitoring, these facilities can operate with minimal transparency around actual emissions. The EPA's shift creates a regulatory blind spot precisely when data centre energy consumption is accelerating fastest.

This is greenwashing by infrastructure. Companies can claim renewable power integration or efficiency gains while actual scope 1 and 2 emissions remain unmeasured and unreported. Without continuous monitoring, corporate net-zero commitments relying on data centre energy become unverifiable. The Clean Air Act's strength lay in its refusal to accept self-reported figures. Weakening that mechanism hands the advantage to operators with least incentive to disclose.

For organisations with scope 3 emissions tied to cloud computing or colocation, this regulatory erosion means supplier transparency will deteriorate. You cannot verify what isn't measured. The guidance signals that growth in energy-intensive infrastructure will outpace accountability – a calculation that favours short-term deployment over enforceable climate outcomes.

The rush to power data centers is weakening the Clean Air Act

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