The Fusion Energy Sciences Advisory Committee (FESAC) was terminated effective August 8, 2025. Current charges will be transferred to the new Office of Science Advisory Committee (SCAC). Learn more about SCAC.

The Fusion Energy Sciences Advisory Committee (FESAC) was Chartered pursuant to Section 14(a)(2)(A) of the Federal Advisory Committee Act Public Law 92-463, and Section 101-6.1015, title 41 Code of Federal Regulations. The committee provided independent advice to the Director of the Office of Science on complex scientific and technological issues that arise in the planning, implementation, and management of the fusion energy sciences program.