Amentum has been selected by the U.S. Department of Energy’s National Nuclear Security Administration (NNSA) to enter negotiations for a phased lease to develop one of the nation’s largest integrated artificial intelligence and energy infrastructure projects at the Savannah River Site (SRS) in South Carolina. The public-private project aims to establish a 1-gigawatt artificial intelligence data center supported by approximately 2 gigawatts of on-site energy generation, initially powered by natural gas bridging to advanced nuclear energy.

Project Overview

The proposed development at the Savannah River Site represents a significant expansion of AI and energy infrastructure. The project is designed to integrate high-performance computing capabilities with robust on-site power generation to meet growing energy demands.

Key Specifications

The phased lease agreement will outline the terms for the development and operation of the infrastructure, with a focus on transitioning from natural gas to advanced nuclear energy as the primary power source. This initiative underscores the growing intersection of artificial intelligence and energy infrastructure in the U.S.

Amentum, a global advanced engineering and technology company, has been named to the list of America’s Best Companies 2026 by TIME Magazine. This recognition underscores the company's performance across employee satisfaction, financial strength, and sustainability transparency. The annual ranking is a data-driven evaluation conducted by TIME in partnership with Statista.

John Heller, Amentum chief executive officer, attributed the accolade to the commitment of the company's workforce. He stated that the recognition reflects the efforts of employees whose talent and dedication make Amentum a leader in solving complex challenges in science, security, and sustainability. Heller emphasized the company's focus on integrity, purpose, and impact for clients and stakeholders.

Darren Burton, Amentum chief people officer, highlighted the company's people-first culture as a key factor in achieving this distinction. He noted that prioritizing team members is foundational to the company's success. Burton also pointed to the company's ongoing efforts to create a sustainable future through responsible business practices and governance.

About Amentum

Amentum provides advanced engineering and innovative technology solutions to the United States and its allies. The company addresses significant challenges in science, security, and sustainability. Headquartered in Chantilly, Virginia, Amentum employs approximately 50,000 people in more than 70 countries across all seven continents.