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
Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
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
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NWMO chooses vendors for Canadian repository
Canada’s Nuclear Waste Management Organization has selected five companies it is to work with to design and plan the organization’s proposed deep geologic repository for spent nuclear fuel. As the owner of the project, the NWMO will be working with WSP Canada, Peter Kiewit Sons (Kiewit), Hatch Ltd., Thyssen Mining Construction of Canada, and Kinectrics.
UWC Opening Plenary: Driving Transformational Change Keynote SPeaker
Chief Generation Officer and Executive Vice President
Tim O’Connor is Executive Vice President and Chief Generation Officer for Xcel Energy in 2020. He is responsible for all generation assets within Xcel and its jurisdictions nuclear, fossil, hydro and renewables. Responsible for enterprise supply chain and commercial operations which include fuels and energy markets.
Mr. O’Connor was appointed Senior Vice President and Chief Nuclear Officer for Xcel Energy in 2012. He was responsible for the Xcel nuclear strategic direction, business plans, finance, and operations for the company. That includes corporate, the operations of the Monticello and Prairie Island nuclear generating plants, and the decommissioning and nuclear fuel storage. In June 2012, he was appointed Vice President of Corporate Engineering/Nuclear Regulatory Compliance and Licensing for the nuclear fleet after 5 years as Monticello site vice president.
Mr. O’Connor joined Xcel Energy in 2007 as Site Vice President at the Monticello plant. He has over 38 years of commercial nuclear experience with both boiling water and pressurized water reactors. During that period of time, Mr. O’Connor has held a variety of senior leadership and executive leadership positions in several utilities and sites and variety of complex situations. This also included a position with the Institute of Nuclear Power Operations (INPO) as a Nuclear Plant Evaluation Team Manager on a reverse loaned assignment. Mr. O’Connor received his mechanical engineering degree from Marquette University in Milwaukee, WI and has completed several executive business programs with the Chicago Kellogg School of Business and with GAP International.
He serves on the executive advisor group for the DOE/INL Nuclear Science and Technology areas, the Holtec Decommissioning Industry Advisory Group, NEI coalition of the Nuclear Strategic Industry Advisory Committee, NEI Chairman of the Industry High Level Waste Committee, USA Board of Directors and Terrestrial Energy Industry Advisory Committee. He also serves as a member of the Board of Directors for the Minneapolis St. Paul Jeremiah charitable organization for single mothers.
Last modified July 16, 2020, 2:16pm EDT
