PSEG Companies Seek to Intervene in Midcontinent Independent System Operator, Inc. Proceeding

The Public Service Electric and Gas Company, PSEG Power LLC, and PSEG Energy Resources & Trade LLC, collectively the PSEG Companies, have submitted a motion to intervene in the proceeding captioned Complaint of North Dakota Public Service Commission, et al. v. Midcontinent Independent System Operator, Inc. under EL25-109. The PSEG Companies, wholly-owned subsidiaries of Public Service Enterprise Group Incorporated, seek to intervene in the matter before the Federal Energy Regulatory Commission (FERC) due to their substantial interest in the proceeding.

Key Takeaways:

• The PSEG Companies, comprising Public Service Electric and Gas Company, PSEG Power LLC, and PSEG Energy Resources & Trade LLC, seek to intervene in the proceeding captioned Complaint of North Dakota Public Service Commission, et al. v. Midcontinent Independent System Operator, Inc. under EL25-109.
• The PSEG Companies are wholly-owned subsidiaries of Public Service Enterprise Group Incorporated (PSEG) and have a substantial interest in the proceeding due to their ownership of transmission facilities in PJM Interconnection, L.L.C. (PJM) and participation in PJM electricity markets.
• The PSEG Companies will be specifically and directly impacted by the outcome of the proceeding, and good cause exists for their motion to intervene.
• The PSEG Companies have a strong interest in representing their own interests in the proceeding, as no other party can represent their interests.
• The PSEG Companies' motion to intervene is supported by the fact that they are direct or indirect owners of generation assets in PJM and transmission customers within the PJM footprint.
• The PSEG Companies' intervention in the proceeding will ensure that their interests are represented and that they can participate in the decision-making process.

Statistics:

• The PSEG Companies have submitted their motion to intervene on August 7, 2025.
• The PSEG Companies comprise three subsidiaries: Public Service Electric and Gas Company, PSEG Power LLC, and PSEG Energy Resources & Trade LLC.
• The PSEG Companies have a significant interest in the PJM electricity markets, with PSE&G owning transmission facilities in PJM and PSEG Power being a direct and indirect owner of generation assets in PJM.
• The PSEG Companies have a substantial interest in the proceeding due to their transmission ownership and participation in PJM electricity markets.
• The PSEG Companies will be impacted directly by the outcome of the proceeding.

Sources:

• PSEG Companies' Motion to Intervene, filed August 7, 2025, with the Federal Energy Regulatory Commission (FERC), docket number EL25-109.
• 18 C.F.R. 385.214, Rules of Practice and Procedure of the Federal Energy Regulatory Commission.