American Transmission Systems Incorporated, et al v. FERC
Petitioner: American Transmission Systems Incorporated, Jersey Central Power & Light Company, Mid-Atlantic Interstate Transmission LLC, Keystone Appalachian Transmission Company, The Potomac Edison Company, Monongahela Power Company and Trans-Allegheny Interstate Line Company
Respondent: Federal Energy Regulatory Commission
Intervenor: Constellation Energy Generation, LLC, Exelon Corporation, Old Dominion Electric Cooperative, PJM Interconnection, LLC and Talen Energy Corporation
Case Number: 26-1091
Filed: April 16, 2026
Court: U.S. Court of Appeals, D.C. Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on June 12, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
June 12, 2026 LETTER [2178568] sent to transfer case to the USCA 3rd Circuit. Documents Sent: Clerk's File and copy of order transferring case. [26-1091] [Entered: 06/12/2026 02:55 PM]
June 12, 2026 CLERK'S ORDER [2178563] filed granting motion to transfer case [ # 2174349-2 ] to the USCA 3rd Circuit.; The Clerk is directed to transmit transferring case [26-1091] [Entered: 06/12/2026 02:49 PM]
June 9, 2026 CLERK'S ORDER [2177780] filed granting motions for leave to intervene [ # 2173577-2 ], [ # 2173522-2 ], [ # 2173360-2 ], [ # 2173216-2 ], [ # 2173127-2 ]. [26-1091] [Entered: 06/09/2026 12:45 PM]
May 22, 2026 STATEMENT [2174616] with Disclosure Listing filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/22/2026 ] [26-1091] (Gossett, David) [Entered: 05/22/2026 10:50 AM]
May 21, 2026 STATEMENT OF ISSUES [2174575] filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/21/2026 ] [26-1091] (Gossett, David) [Entered: 05/21/2026 09:52 PM]
May 21, 2026 DOCKETING STATEMENT [2174555] filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/21/2026 ] [26-1091] (Gossett, David) [Entered: 05/21/2026 05:34 PM]
May 21, 2026 STATEMENT OF INTENT REGARDING APPENDIX DEFERRAL [2174553] filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/21/2026 ] Intent: AppxDeferred [26-1091] (Gossett, David) [Entered: 05/21/2026 05:22 PM]
May 21, 2026 UNDERLYING DECISION IN CASE [2174552] submitted by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/21/2026 ] [26-1091] (Gossett, David) [Entered: 05/21/2026 05:21 PM]
May 21, 2026 CERTIFICATE AS TO PARTIES, RULINGS AND RELATED CASES [2174551] filed by American Transmission Systems Incorporated, Keystone Appalachian Transmission Company, Jersey Central Power & Light Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/21/2026 ] [26-1091] (Gossett, David) [Entered: 05/21/2026 05:20 PM]
May 21, 2026 UNOPPOSED MOTION [2174457] to hold case in abeyance filed by FERC [Service Date: 05/21/2026 ] Length Certification: 331 words. [26-1091] (Fish, Jared) [Entered: 05/21/2026 01:25 PM]
May 20, 2026 UNOPPOSED MOTION [2174349] to transfer case filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 05/20/2026 ] Length Certification: 155 Words. [26-1091] (Gossett, David) [Entered: 05/20/2026 10:44 PM]
May 15, 2026 ENTRY OF APPEARANCE [2173653] filed by Jeremy C. Marwell and co-counsel William S. Scherman and Adam Kleven on behalf of Movant-Intervenor for Respondent Talen Energy Corporation. [26-1091] (Marwell, Jeremy) [Entered: 05/15/2026 02:41 PM]
May 15, 2026 MOTION [2173577] for leave to intervene [Disclosure Listing: Attached] filed by Talen Energy Corporation [Service Date: 05/15/2026 ] [26-1091]--[Edited 05/15/2026 by LMM] (Marwell, Jeremy) [Entered: 05/15/2026 11:47 AM]
May 15, 2026 MOTION [2173522] for leave to intervene [Disclosure Listing: Not Applicable to this Party] filed by Old Dominion Electric Cooperative [Service Date: 05/15/2026 ] [26-1091]--[Edited 05/15/2026 by LMM] (Cliatt, Jenna) [Entered: 05/15/2026 09:04 AM]
May 14, 2026 ENTRY OF APPEARANCE [2173515] filed by Stanley Berman and co-counsel Gary Guy on behalf of Movant-Intervenor for Respondent Exelon Corporation. [26-1091] (Berman, Stanley) [Entered: 05/14/2026 11:02 PM]
May 14, 2026 MOTION [2173360] for leave to intervene [Disclosure Listing: Attached] filed by Exelon Corp. [Service Date: 05/14/2026 ] [26-1091]--[Edited 05/14/2026 by LMM] (Berman, Stanley) [Entered: 05/14/2026 12:06 PM]
May 13, 2026 MOTION [2173216] for leave to intervene [Disclosure Listing: Attached] filed by Constellation Energy Generation, LLC [Service Date: 05/13/2026 ] [26-1091]--[Edited 05/14/2026 by LMM] (Walker, Lucas) [Entered: 05/13/2026 04:46 PM]
May 13, 2026 MOTION [2173127] for leave to intervene [Disclosure Listing: Attached] filed by PJM Interconnection, L.L.C. [Service Date: 05/13/2026 ] [26-1091]--[Edited 05/14/2026 by LMM] (Porter, Ruth) [Entered: 05/13/2026 01:44 PM]
May 6, 2026 ENTRY OF APPEARANCE [2172134] filed by Jared B. Fish and co-counsel Robert H. Solomon on behalf of Respondent FERC. [26-1091] (Fish, Jared) [Entered: 05/06/2026 05:28 PM]
April 21, 2026 CLERK'S ORDER [2169588] filed directing party to file initial submissions: PETITIONER docketing statement due 05/21/2026. PETITIONER certificate as to parties due 05/21/2026. PETITIONER statement of issues due 05/21/2026. PETITIONER underlying decision due 05/21/2026. PETITIONER deferred appendix statement due 05/21/2026. PETITIONER procedural motions due 05/21/2026. PETITIONER dispositive motions due 06/05/2026; directing party to file initial submissions: RESPONDENT entry of appearance due 05/21/2026. RESPONDENT procedural motions due 05/21/2026. RESPONDENT certified index to record due 06/05/2026. RESPONDENT dispositive motions due 06/05/2026 [26-1091] [Entered: 04/21/2026 08:32 AM]
April 21, 2026 CERTIFIED COPY [2169587] of Petition for Review sent to respondent [ # 2169586-2 ] [26-1091] [Entered: 04/21/2026 08:30 AM]
April 16, 2026 PETITION FOR REVIEW [2169586] of a decision by federal agency filed by American Transmission Systems Incorporated, Jersey Central Power & Light Company, Keystone Appalachian Transmission Company, Mid-Atlantic Interstate Transmission LLC, Monongahela Power Company, The Potomac Edison Company and Trans-Allegheny Interstate Line Company [Service Date: 04/16/2026 ] Disclosure Statement: Attached. [26-1091] [Entered: 04/21/2026 08:29 AM]
April 16, 2026 PETITION FOR REVIEW CASE docketed. [26-1091] [Entered: 04/21/2026 08:28 AM]

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Search for this case: American Transmission Systems Incorporated, et al v. FERC
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Petitioner: American Transmission Systems Incorporated
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: Jersey Central Power & Light Company
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: Mid-Atlantic Interstate Transmission LLC
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: Keystone Appalachian Transmission Company
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: The Potomac Edison Company
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: Monongahela Power Company
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Petitioner: Trans-Allegheny Interstate Line Company
Represented By: Amanda P. Parker
Represented By: Morgan Parke
Represented By: David Morris Gossett
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Respondent: Federal Energy Regulatory Commission
Represented By: Robert Harris Solomon Esquire
Represented By: Jared Fish
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Intervenor: Constellation Energy Generation, LLC
Represented By: Jennifer Elizabeth Fischell
Represented By: Lucas M. Walker
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Intervenor: Exelon Corporation
Represented By: Gary Guy
Represented By: Stanley A. Berman
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Intervenor: Old Dominion Electric Cooperative
Represented By: Jenna Cliatt
Represented By: Adrienne Elizabeth Clair Esquire
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Intervenor: PJM Interconnection, LLC
Represented By: Ryan James Collins
Represented By: Ruth Miriam Porter Esquire
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Intervenor: Talen Energy Corporation
Represented By: William S. Scherman
Represented By: Adam Kleven
Represented By: Jeremy C. Marwell
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