Note: Single-source report; awaiting corroboration.

The U.S. Department of Energy engages in a variety of activities to protect national security, including advancing nuclear nonproliferation, ensuring the security of the nuclear weapons stockpile, and managing the Strategic Petroleum Reserve to maintain energy security.

In today’s interconnected environment, the department prioritizes cyber-resilient energy delivery systems, recognizing that a reliable energy infrastructure is critical to the nation's security and economic stability.

The department also supports public health by addressing risks related to environmental, biological, and operational factors, leading research, and promoting collaboration to enhance community and national resilience.

Additionally, it runs programs to ensure worker health and safety, and provides training and procedures for emergency response and preparedness.

The department also addresses threats to research, technology, and economic security from foreign governments seeking advanced U.S. technologies and control of strategic supply chains.