American Transmission Systems, Incorporated Submits Amended Interconnection Agreement to Federal Energy Regulatory Commission

Strategic Insights -

Pursuant to the Federal Power Act, American Transmission Systems, Incorporated (ATSI) has submitted an amended Interconnection Service Agreement (Interconnection Agreement) to the Federal Energy Regulatory Commission (FERC) for filing. The agreement is between ATSI and The Ohio Edison Company (OE) and aims to add an additional delivery point at Ontario Stumbo. The agreement also includes administrative changes to Appendix 1, moving the order of the Dobbins, PPG Industries, and Schaaf interconnection points.

Key Takeaways:

  • The amended Interconnection Agreement is between ATSI and OE, with ATSI being a wholly owned subsidiary of FirstEnergy Corp. and OE being a part of the same parent company.
  • The agreement proposes to add an additional delivery point at Ontario Stumbo and makes administrative changes to Appendix 1.
  • The Commission is requested to grant an effective date of October 25, 2025, for the Interconnection Agreement.
  • The agreement will be published in the eLibrary by FERC, and a marked copy of SA No. 3992 will also be submitted.
  • ATSI has served copies of the filing upon all other parties as required by Commission regulations.
  • The Commission is requested to accept the Interconnection Agreement for filing and grant any necessary waivers of regulations.

Statistics:

  • October 25, 2025: proposed effective date for the amended Interconnection Agreement.
  • 61: number of days after the date of this filing that the Commission is requested to grant the effective date for the Interconnection Agreement.
  • 3992: Interconnection Service Agreement No. assigned to the amended Interconnection Agreement.
  • 2025: year in which the original Interconnection Agreement was filed, as well as the proposed effective date for the amended agreement.
  • 16 U.S.C. § 824d: Section of the Federal Power Act cited for the authority to require filing of the Interconnection Agreement.
  • 18 C.F.R. Part 35: Federal Energy Regulatory Commission's Rules of Practice and Procedure governing the filing of the Interconnection Agreement.
  • PJM Tariff: the transmission service tariff provided by the PJM Interconnection, L.L.C.

Sources:

  • American Transmission Systems, Incorporated. (2025). Filing Amended Interconnection Agreement in Docket No. ER25-___-000. Retrieved from https://elibrary.ferc.gov
  • FirstEnergy Corp. (n.d.). About Us. Retrieved from https://www.firstenergycorp.com/about-us/
  • Federal Energy Regulatory Commission. (n.d.). Rules of Practice and Procedure. Retrieved from https://www.ferc.gov/regulations/rules-practice-procedure
  • PJM Interconnection, L.L.C. (n.d.). About PJM. Retrieved from https://www.pjm.com/about-pjm/Pages/default.aspx