Not a government sitenlrb.fyi is an independent project. It is not affiliated with, endorsed by, or operated by the National Labor Relations Board or any government agency. The Board's own site is at nlrb.gov.

DTE ES Operations, LLC

8 cases in this site's copy of the record · 0 of those 8 are marked open by the Board · Region 03, 08, 18, 32 · ASHTABULA, OH; Berkeley, CA; Buffalo, NY; Cassville, WI; MARIETTA, OH; Marietta, OH and more

Each case links to the Board's own docket page. This site holds what the Board listed, not the documents.

What kinds of case

Type	What it is	Here
CA	Charge against an employer	2
RC	Petition for an election	6

The cases

Petition for an election
RC
Filed 17 September 2025Case 08-RC-373474ClosedMarietta, OHRegion 08Workers in the unit 7
Included: All full-time and regular part-time employees including all O&M Techs and all lead O&M Techs employed by the Employer at its facility in Marietta, OH Excluded: All temporary employees, guards, professional and managerial employees, and supervisors as defined in the Act.
Petition for an election
RC
Filed 23 March 2022Case 32-RC-292765ClosedBerkeley, CARegion 32Workers in the unit 11
Included: All full-time and regular part-time operators, mechanics, instrumentation & electrical (l&E) technicians, relief supervisors, and shift supervisors employed by the Employer at the UC Berkeley Cogeneration Plant Excluded: All employees not employed by the Employer; all office clerical employees; security guards and officers; all managers and supervisors as defined by the Act.
Charge against an employer
CA
Filed 21 February 2020Case 03-CA-256690ClosedBuffalo, NYRegion 03Workers in the unit 11
Charge against an employer
CA
Filed 19 June 2019Case 03-CA-243596ClosedTonawanda, NYRegion 03Workers in the unit 11
DTE ES OPERATIONS, LLC
RC
Filed 3 February 2015Case 08-RC-145684ClosedMARIETTA, OHRegion 08Workers in the unit 8
Included: All boiler operators/OM Techs, employed at the employers Marietta plant location. Excluded: All other employees including clericals, guards, professionals, and supervisors as defined by the Act.
DTE ES OPERATIONS, LLC
RC
Filed 3 December 2014Case 08-RC-142060ClosedWarren, OHRegion 08Workers in the unit 10
Included all full time and regulare part time Stationary Engineers and Skilled Maintenance employed by the employer at the address above. Excluded All professional employees, all business office clerical employees, all other non professional employees as defined by the act and all other employees.
DTE ES OPERATIONS, LLC
RC
Filed 29 January 2013Case 08-RC-097226ClosedASHTABULA, OHRegion 08Workers in the unit 9
Included: All operator/maintenance employees Excluded: All supervisors, office clerical, management employees, confidential employees and guards as defined by the Act.
Petition for an election
RC
Filed 26 October 2011Case 30-RC-067586ClosedCassville, WIRegion 18Workers in the unit 23
All regular full time and any part time physical workers excluding salaried supervisors and clerical office workers

Last refreshed 19 September 2026. What is in it, and what is not.

The Labor Board FYI is independent, and is not the Board or any government agency. Where a number here disagrees with the Board's, the Board is right: tell us at [email protected]. If a name here is a private person and not a business or a union, write to the same address and it comes off. Where this comes from.