Constellation Energy Generation

Case Number: 25-RC-396949

Date Filed: 10/14/2026

Status: Open

No. of Employees: 25

Location: Clinton, IL

Region Assigned: Region 25, Indianapolis, Indiana

Unit Description: Included: o: All Senior Reactor Operators/Operations Shift Supervisors/Manager-Developmental SROs (unit supervisors/control room supervisors, work execution center supervisors, field supervisors, shift technical advisors, reactivity management senior reactor operators); o: All off-shift Senior Reactor Operators/Operations Shift Supervisors (including but not limited to Outage Scheduling SRO, Online Scheduling SRO, FIN SRO, any other off-shift job assignment SRO); o: All Non-Licensed Field Supervisors; and o: All Senior Rector Operator Initial License Trainees employed by Constellation Energy Generation, LLC at the Clinton Clean Energy Center in Clinton, Illinois to be added to the unit at the facility currently represented by IBEW, Local 51. Excluded: Shift Managers, Guards, and Supervisors as defined by the Act.