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
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
Nuclear and Emerging Technologies for Space (NETS 2023)
May 7–11, 2023
Idaho Falls, ID|Snake River Event Center
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
Mar 2023
Jan 2023
Latest Journal Issues
Nuclear Science and Engineering
April 2023
Nuclear Technology
Fusion Science and Technology
February 2023
Latest News
GEH Nuclear Energy celebrates three-nation plan for BWRX-300 standard design
“I’m glad you came to our party!” said GE Hitachi Nuclear Energy (GEH) chief nuclear officer Nicole Holmes as she prepared to announce that Wilmington, N.C.–based GEH will develop a standard design for its BWRX-300 boiling water small modular reactor with not one but three power producers representing three countries: Tennessee Valley Authority (TVA), Ontario Power Generation (OPG), and Synthos Green Energy (SGE). Celebration was a theme throughout the March 23 event held in Washington, D.C., which was flush with dignitaries representing the United States, Canada, and Poland.
UWC Opening Plenary: Driving Transformational Change Keynote SPeaker
Executive Vice President and Chief Nuclear OfficerPalo Verde Generating StationArizona Public Service Company
Maria Lacal is Executive Vice President and Chief Nuclear Officer for Arizona Public Service Company (APS), Arizona’s largest electric company. Based in Phoenix, APS serves more than 1.2 million customers and is one of the fastest-growing investor-owned electric utilities in the United States.
Lacal is responsible for all nuclear-related activities associated with the Palo Verde Generating Station, the nation’s largest producer of carbon-free energy. She is also responsible for the nuclear assurance division and employee concerns and safety culture programs.
Prior to joining APS in 2007, Lacal previously served as Director of Operations Support for the Nuclear Division of Florida Power and Light Company. In this capacity Lacal’s responsibilities included the Corporate Functional Area Manager and Accredited Training programs across the fleet. She has held other management positions including Training Manager and Operations Manager at Turkey Point Nuclear Plant. As the Operations Manager, Lacal was responsible for site operations, radiation protection, chemistry programs and associated organizations.
Prior to being appointed Chief Nuclear Officer for APS in January 2020, Lacal served as the Senior Vice President of Regulatory and Oversight. In this role Lacal was responsible for regulatory and oversight areas including, the nuclear assurance division, regulatory affairs and environmental, organizational effectiveness, leadership development and the employee concerns and safety culture programs. Lacal also served as the Vice President of Operations Support from 2011 to 2016 and was responsible for emergency preparedness, nuclear security, fire protection, supply chain, records management, information services programs, and associated organizations at the plant.
Lacal obtained a U.S. Nuclear Regulatory Commission Senior Reactor Operator License in 1996. She has also served as Chairman of the Academy Council for the National Academy for Nuclear Training. Lacal is a member of the Institute of Nuclear Power Operations (INPO) Executive Advisory Group; STARS Nuclear Alliance Board of Directors; Nuclear Strategic Issues Advisory Committee (NSIAC); Chairman of the Pressurized Water Reactor Owners Group (PWROG) Executive Committee; Chairman of the Nuclear Energy Institute (NEI) Risk Informed Steering Committee; Electric Power Research Institute (EPRI) Nuclear Power Council Executive Committee; CNO liaison for EPRI Fuel & Chemistry Executive Committee; executive sponsor of EPRI Fuels Research Integration Committee. She also currently serves as a member of the University of Arizona, Eller School of Business National Board of Advisors, the U.S. Women in Nuclear Executive Advisory Committee and the North American Young Generation in Nuclear Executive Advisory Committee.
Lacal earned a Bachelor of Science degree in Civil Engineering from the University of Miami. She also completed the Harvard Business School Advanced Management Program in May 2015.
Last modified July 15, 2020, 11:33am EDT