Constellation Energy Generation, LLC
Case Number: 13-RC-372880
Date Filed: 09/08/2025
Status: Open
No. of Employees: 150
Location: Warrenville, IL
Region Assigned: Region 13, Chicago, Illinois
Unit Description: Included: • All Senior Reactor Operators/Operations Shift Supervisors/Manager Developmental SROs (unit supervisors, work execution center supervisors, licensed field supervisors, shift technical advisors, reactivity management senior reactor operators); • All off-shift Senior Reactor Operators/Operations Shift Supervisors/Manager Developmental SROs (including but not limited to FIN SRO, Online Planning/Scheduling SRO, Offline Planning/Outage SRO, Operations Clearance/Tagging SRO, off-shift WEC SRO, Training Support SRO, any other off-shift job assignment SRO); • All Senior Rector Operator Initial License Trainees; and • All Non-Licensed Field Supervisors employed by Constellation Energy Generation, LLC at Braidwood Clean Energy Center, Byron Clean Energy Center, Dresden Clean Energy Center, LaSalle Clean Energy Center, and Quad Cities Clean Energy Center to be added to the unit for the facilities currently represented by IBEW, Local 15. Excluded: Shift Managers, Guards, and Supervisors as defined by the Act.
Docket Activity
Date 
|
Document | Issued/Filed By |
|---|---|---|
| 09/08/2025 | Signed RC Petition* | Petitioner |
The Docket Activity list does not reflect all actions in this case.
* This document may require redactions before it can be viewed. To obtain a copy, please file a request through our FOIA Branch.
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Allegations
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Participants
| Participant | Address | Phone |
|---|---|---|
| Petitioner Legal Representative Hansen, Amanda Schuchat, Cook & Werner |
555 Washington Avenue, Suite 520 St. Louis, MO 63101 |
(314)621-2626 |
| Petitioner Legal Representative Lange, Erich Sherman Dunn, P.C. |
900 Seventh Street NW Suite 1000 Washington, DC 20001 |
(202)785-9300 |
| Employer Legal Representative Thomas, James Jackson Lewis P.C. |
150 North Michigan Avenue Suite 2500 Chicago, IL 60601 |
(312)803-2552 |
| Petitioner Union International Brotherhood of Electrical Workers Local 15 |
Downers Grove, IL 60516 |
(630)515-0381 |
| Employer Employer Constellation Energy Generation, LLC |
Warrenville, IL 60555 |
(630)657-4170 |
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