The Philippine Nuclear Research Institute (PNRI), formerly the Philippine Atomic Energy Commission (PAEC), is the sole agency of the government mandated to advance and regulate the safe and peaceful applications of nuclear science and technology in the Philippines.  It is one of the research institutes under the Department of Science and Technology (DOST). 

Under Executive Order 128, PNRI is mandated to perform the following functions: 

• Conduct research and development on the application of radiation and nuclear techniques, materials and processes;

• Undertake the transfer of research results to end-users, including technical extension and training services;

• Operate and maintain nuclear research reactors and other radiation facilities; and

• License and regulate activities relative to production, transfer and utilization of nuclear radioactive substances.