Amentum has been chosen by the Energy Department’s National Nuclear Security Administration to begin lease negotiations for large, integrated AI and energy infrastructure projects at the Savannah River Site in South Carolina.
The initiative, if finalized, would create a large-scale, 1-gigawatt AI data center alongside approximately 2 gigawatts of dedicated power generation. The phased development is expected to initially rely on natural gas, with a long-term pathway toward advanced nuclear energy.
“Artificial intelligence, energy resilience, and national security are becoming increasingly interconnected, creating new opportunities to strengthen America’s strategic advantage,” said John Heller, CEO of Amentum.
“Amentum is uniquely positioned at that intersection, combining deep engineering expertise, trusted mission execution, and decades of partnership with the U.S. government. This agreement gives us the opportunity to partner with the NNSA to deliver infrastructure that will help power the technologies shaping our nation’s future.”
For Amentum, the opportunity builds on its longstanding work supporting complex nuclear, engineering and national security missions, including decades of involvement at the Savannah River Site.
“For generations, Amentum has helped solve some of the nation’s most complex engineering and nuclear challenges, including at the Savannah River Site,” said Mark Whitney, president of Amentum’s Energy & Environment business.
“This opportunity builds on that legacy by bringing together our expertise in nuclear operations, infrastructure development, and program delivery to help our customer safely and securely accelerate the next generation of AI and energy infrastructure.”
The proposed public-private partnership reflects a broader push to strengthen domestic computing capacity and develop the resilient energy infrastructure needed to support emerging technologies. Amentum said the initiative reinforces its role in delivering mission-critical infrastructure and engineering solutions for government customers as demand grows for secure, reliable technology and energy capabilities.