HARC warns planned Texas data-center build-out could worsen air quality under local gas-power scenario
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HARC has warned that planned data-center expansion and construction in Texas could push air pollution toward 2004 levels if new facilities are supplied under an expected power mix that includes local gas generation. The assessment is scenario-based and does not indicate that the planned capacity has already been built or commissioned.
- HARC’s findings model a future Texas build-out scenario; they do not describe already commissioned data-center or generation capacity.
- Smog-forming pollutant emissions could rise 136% under HARC’s scenario, approaching 2004 pollution levels.
- Carbon emissions could be 90% above 2025 levels in the same scenario.
- Local gas generation may become more attractive where grid interconnection cannot keep pace with new data-center load, but it may carry added environmental and regulatory risk.
- On-site solar and wind could mitigate impacts, though no such deployment is confirmed in the assessment.
HARC has published an assessment of the potential air-quality effects of planned data-center growth in Texas. Its analysis considers a scenario in which planned facilities enter service using an expected electricity-supply mix; it is not a finding that those projects or their associated generation assets are already operational.
Under that scenario, emissions of smog-forming pollutants could increase by 136%, bringing pollution levels close to those recorded in 2004. Carbon emissions contributing to global warming could be 90% above 2025 levels.
HARC identifies the accelerated deployment of less efficient gas turbines to serve new data-center demand as a central risk. The assessment reflects a broader infrastructure challenge: where grid capacity and interconnection timelines do not align with large new loads, developers may turn to localized generation to support delivery schedules.
The environmental outcome remains conditional. It depends on planned projects proceeding and on the projected supply mix materializing as assumed. Developers could reduce the impact through on-site solar and wind installations, although this is presented as a potential mitigation measure rather than a confirmed deployment outcome.
Wood Mackenzie, as cited in the source’s account of a March report, projected growth in planned local generation for data centers. The available account refers to 26 GW expected over the decade, but does not make the metric’s exact geography or methodology fully clear.
For the data-center market, the assessment could point to a widening divide between projects able to secure timely grid and renewable-power supply and those relying on local gas generation. The latter could face greater environmental, regulatory and reputational exposure, while strengthening demand for lower-carbon options that can support faster power delivery.
The analysis highlights how grid-interconnection constraints and rising AI load could drive developers toward local gas generation. This could increase the value of timely grid capacity, lower-carbon power supply and environmental compliance in determining the configuration and pace of new data-center projects.
- — / 23 октября 2026 г. · КитайскийПервоисточник →
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