A massive AI data center near Philadelphia is facing allegations of violating federal environmental rules after an investigation found dozens of large gas-powered generators operating without required permits.

The DataOne facility in Vineland, New Jersey, located roughly 40 miles from Philadelphia, provides computing infrastructure supporting artificial intelligence workloads. The facility is connected to Microsoft through its infrastructure relationship with Dutch AI cloud company Nebius.

According to a joint investigation by Floodlight and The Guardian, thermal drone footage showed at least 45 of the facility’s 62 generators operating simultaneously. The report alleges that the site did not have permits for any of the generators.

The controversy highlights a growing challenge surrounding the rapid expansion of AI data centers. As demand for AI computing accelerates, operators require enormous amounts of electricity, while grid constraints can push facilities toward on-site generation to meet immediate power requirements.

Gas-powered generators can provide critical backup or supplementary electricity, but operating large numbers of them may trigger environmental permitting and emissions requirements. The allegations therefore raise questions about whether infrastructure deployment is moving faster than regulatory oversight.

The case also exposes a broader tension in the AI boom: computing capacity is scaling rapidly, but energy infrastructure, environmental compliance and local power systems may struggle to keep pace.

As hyperscalers and AI companies invest billions in new data centers, power availability and regulatory compliance could become as critical to AI expansion as GPUs themselves.