4 The record articles

Air Quality Permitting Data Centers in Pennsylvania

Posted: September 18th, 2025

Authors: Colleen N. 

The construction and air permitting of data centers continues to be a growing industry worldwide. Each country and state has their own set of requirements for the construction and permitting process. Currently, Pennsylvania is a hotbed for data center growth given the recent news regarding 90 billion dollars of investment in data center construction. A critical component of meeting construction schedules and avoiding costly delays is obtaining the air permit required to start project-related construction. Typical aspects of air permitting include preparing an air permit strategy to evaluate construction phases and proposed equipment, collaboration with the regulatory agency, and evaluation of environmental justice considerations surrounding the development and establishment of data centers.

ALL4 Air Quality experts review the process of strategizing for and obtaining an air quality permit in Pennsylvania in a data center-specific white paper.

This white paper reviews:

  • Emissions calculations and the nuance pertinent to data centers,
  • Types of air permits available to data center companies and associated timelines,
  • Process of identifying the Best Available Technology (BAT),
  • Environmental justice process in Pennsylvania, and,
  • Best practices for permitting data centers.

If you have any questions or would like assistance in evaluating how your facility may be subject to air permitting requirements as a data center, please reach out to Merritt McGlynn at mmcglynn@all4inc.com, Sharon Sadler at ssadler@all4inc.com, and Colleen Nagel at cnagel@all4inc.com. ALL4 will continue to track updates to additional guidance or rulemaking regarding the construction and permitting requirements for data centers not only in Pennsylvania, but for other U.S. states; check out our website routinely or subscribe for our newsletter to stay up-to-date.

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