New study raises heat island concerns as NC data center boom grows

A recent preprint study from the University of Cambridge suggests that large AI-focused data centers may cause localized "heat islands," increasing land surface temperatures by an average of 3.6 degrees Fahrenheit, with some areas seeing rises up to 16 degrees Fahrenheit. This research, based on satellite data from 2004 to 2024, indicates that the vast energy consumption for servers and cooling systems, rather than just urban development, drives these temperature increases, extending measurable impacts up to six miles from facilities. The findings emerge as North Carolina is experiencing a rapid expansion of data center development, with over 40 facilities currently operating and dozens more planned. This growth could potentially double the state's data center capacity from approximately 3 to nearly 6 gigawatts within a decade, according to Duke Energy. Major projects include Amazon's planned $10 billion, 20-building campus in Richmond County. This growth has already sparked community backlash, leading several local governments to reconsider or pause projects. Notably, Orange County recently approved a one-year moratorium on data centers, while Apex, Wendell, and Chatham County have also halted new developments to study impacts related to land use, infrastructure, and quality of life. The new study on localized heating adds another dimension to these ongoing discussions about the environmental and social costs of the AI data center boom in a state already contending with rising temperatures and urban heat concerns.