Extreme heat waves are exacerbating environmental and infrastructure concerns surrounding data centers, intensifying local opposition to the facilities that power the artificial intelligence boom. In Lowell, Massachusetts, residents are voicing growing alarm over the impact of a nearby data center on air quality and power grid stability, particularly during periods of high temperatures.
Eileen Castle, a Lowell resident, expressed concern about the noise and emissions from the data center behind her home, noting that the facility's industrial air conditioners and backup diesel generators contribute to localized environmental strain. This sentiment reflects broader anxieties in communities hosting these energy-intensive operations, which are increasingly becoming focal points for concerns about the AI industry's rapid growth.
During sweltering weather, data centers' demand for electricity surges, placing additional stress on power grids. These facilities rely on energy-intensive refrigeration or water-intensive evaporative cooling systems to maintain optimal operating temperatures for their servers. When the electrical grid is under severe pressure, some data centers may activate backup diesel generators as a last resort to prevent service interruptions. Shaolei Ren, a professor at the University of California, Riverside, who studies AI's environmental impact, warned that the activation of multiple diesel generators during heat waves could lead to a "disaster for the local air quality."
The operator of the Lowell data center, the Markley Group, stated that it has undertaken environmental mitigation efforts, including planting over 2,000 trees. CEO Jeff Markley added that the company has used its generators only a few times in emergencies and for brief weekly testing, emphasizing that they are not run proactively. Markley also noted that the facility uses approximately 118,000 gallons of water daily during peak summer, a small fraction of the city's overall consumption, and that Lowell was chosen for its water resources.
However, the proximity of the data center has led to increased tensions. Castle, a longtime resident, noted that her initial welcome to the Markley Group a decade ago soured as the facility expanded. Responding to community opposition, Lowell's City Council voted in February to implement a one-year moratorium on further data center development.
Experts acknowledge that while data center electricity consumption has grown, it has been a largely local phenomenon rather than a national crisis. Jonathan Koomey, a researcher studying data centers for 30 years, noted that national growth has been moderate. However, he also pointed out that significant local environmental costs, economic impacts, and traffic concerns need to be addressed. Koomey highlighted that during extreme heat, data centers require more power to stay cool, increasing the risk of power outages and straining the grid more than uncoordinated individual air conditioner usage.
The North American Electric Reliability Corporation has issued alerts regarding the challenges posed by the surge in large power consumers like AI data centers, developing guidelines to mitigate immediate risks. In Lowell, tensions flared at a community forum discussing data center zoning, leading to the temporary detention of a teenage resident who spoke out of turn. Mayor Erik Gitschier defended his actions, stating he sought to maintain decorum during a passionate debate.
These local clashes underscore the growing debate over balancing the technological advancements driven by AI with the immediate environmental and community impacts of the infrastructure required to support it.