Salt Lake City, Utah, April 14th, 2025  – EnergySolutions today announced the appointment of Scott Duffy as President of EnergySolutions Nuclear Services (ESNS). In this role, Duffy will lead the company’s nuclear projects, construction and maintenance and modifications business— serving both the existing nuclear fleet and emerging nuclear clients—with a focus on delivering safe, reliable results and exceptional customer satisfaction.

Duffy brings more than 40 years of experience in commercial development and operations across a range of energy sectors—including nuclear, fossil and renewable power; LNG; refining and petrochemicals; and emerging energy transition technologies. His expertise spans engineering, procurement and construction (EPC), as well as maintenance, modifications and outage services.

Prior to joining EnergySolutions, Duffy served as Senior Vice President and Board Member at Zachry Group, where he spent nearly 27 years in a variety of leadership roles. Early in his career, he held project engineering and operations leadership roles at Williams Industrial
Services Group, now part of EnergySolutions following its 2023 acquisition. Duffy began his career in the electrical craft trade and holds a bachelor’s degree in Industrial and Systems Engineering from Georgia Tech.

“We are excited to welcome Scott to our leadership team,” said Billy Morrison, Chief Operating Officer. “His proven leadership, deep technical expertise and people-first approach will be invaluable as we continue to grow our nuclear services business and deliver safe, high-quality
and environmentally responsible solutions.”

“Joining EnergySolutions at this moment is a tremendous opportunity, and I’m honored to support the company’s employees and customers,” said Duffy. “I’m especially looking forward to collaborating with our managers, project teams and skilled craft professionals to support the critical work they perform every day and to help drive continued value for our current and future customers.”

About EnergySolutions – www.energysolutions.com

EnergySolutions protects the public and preserves the environment by providing safe, compliant, innovative, and sustainable solutions to its client’s nuclear power, decommissioning, remediation, and waste needs. With decades of experience, EnergySolutions serves government

and commercial customers in the nuclear, environmental, and energy sectors. For additional information about EnergySolutions visit www.energysolutions.com.

For additional information about this press release please contact: Mark Walker at EnergySolutions at (801) 231-9194 or mwalker@energysolutions.com