ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
Supreme Court rules against Texas in interim storage case
The Supreme Court voted 6–3 against Texas and a group of landowners today in a case involving the Nuclear Regulatory Commission’s licensing of a consolidated interim storage facility for spent nuclear fuel, reversing a decision by the 5th Circuit Court of Appeals to grant the state and landowners Fasken Land and Minerals (Fasken) standing to challenge the license.
UWC Plenary SPeaker
Vice President, Energy Services and Development
Energy Northwest
Greg Cullen joined Energy Northwest in 1993 and currently holds the position of Vice President of Energy Services and Development. In this capacity, Greg is responsible for the operation and maintenance of Energy Northwest’s non-nuclear generating plants and the instrument calibration and environmental testing labs. In addition, Greg oversees the development of projects in a broad range of areas, including clean energy generation and storage, electrification, demand response, and support services. Energy Northwest’s current clean energy generation development projects include the Advanced Reactor Demonstration Program demonstration projects awarded by the department of energy in 2020.
Prior to joining Energy Services and Development, Greg held a variety of individual and management roles, including regulatory affairs, performance improvement, and several positions in support of the engineering, maintenance, and operation of Columbia Generating Station, the Northwest’s only operating nuclear energy facility.
Greg holds a Bachelor of Science degree in Engineering Physics from Northwest Nazarene University and a Master of Science degree in Mechanical Engineering from the University of Washington.
Energy Northwest is a joint operating agency serving the needs of public power by providing reliable, low-cost electricity while promoting public power activities in the region.
Last modified June 3, 2021, 4:42pm EDT
