Planned Maintenance

Effective Documents

The most recently updated, effective Open Access Transmission Tariff, Operating Agreement and Reliability Assurance Agreement ("governing agreement") language is posted on the Governing Documents page.

View the governing documents on file at the Federal Energy Regulatory Commission

Amendments pending at FERC (not yet approved)

The following governing agreement amendment filings were submitted to FERC and are not yet approved by FERC and a version of the conformed governing agreement posted on PJM’s website. The pending language can be found in the filing submitted to FERC and will be added to the conformed tariff once it has been approved and becomes effective.

ER21-1635-013 On November 24, 2025, in Docket No. ER21-1635-013, PJM Interconnection, L.L.C. submitted a compliance filing to implement the settlement Capital Recovery Factor rates for Black Start Units selected prior to June 6, 2021, in Schedule 6A of PJM’s Open Access Transmission Tariff effective January 1, 2024 on a permanent basis in accordance with the FERC order approving the settlement issued October 23, 2025 in Docket Nos. ER21-1635-009, et al.

ER24-2045-004 On October 22, 2025, in Docket No. ER24-2045-004, PJM submitted its second compliance filing proposing revisions to Tariff, Parts VIII and IX, to comply with the requirements of Order Nos. 2023 and 2023-A. The compliance filing also included additional justification for certain requests for independent entity variations as required by the Commission’s July 24, 2025 order on PJM’s initial compliance filing in this proceeding.

ER25-2687-000 On June 27, 2025, PJM filed compliance with Order No. 676-K to (1) incorporate by reference the latest version of the Standards for Business Practices and Communication Protocols for Public Utilities adopted by the Wholesale Electric Quadrant (WEQ) of the North American Energy Standards Board (NAESB) and (2) request a continued waiver of certain WEQ NAESB Business Practice Standards previously granted by the Commission. As directed by Order No. 676-K, PJM proposed an effective date of February 27, 2026 for the Cybersecurity Business Practice Standards in WEQ-024 and August 27, 2026 for the remainder of the Version 004 of the WEQ NAESB Business Practice Standards.

ER25-3066-000 On August 1, 2025, PJM submitted on behalf of UGIU, proposals to update and align the depreciation rates in its transmission formula rate with those most recently submitted by UGIU to the PA PUC based on the most recent depreciation study performed by an independent third-party expert. UGIU proposes to make the updated depreciation rates effective October 1, 2025.

ER25-3352-000 On August 29, 2025, PJM submitted on behalf of PPL Electric for filing proposed revisions to its formula transmission rate at Attachment H-8G of the OATT to conform references in PPL Electric’s Formula Rate to changes in the FERC Form No. 1 made by the Commission in Order No. 898. PPL Electric is requesting an effective date of October 31, 2025.

ER26-5-000 On October 1, 2025, in Docket No. ER26-5-000, PJM submitted proposed Tariff revisions to eliminate “First-Use” for distribution-level interconnections. The requested effective date for the Tariff revisions is April 28, 2026.

ER26-98-000 On October 10, 2025, in Docket No. ER26-98-000, PJM submitted a ministerial clean-up filing to ensure that the eTariff records correctly reflect the language in the PJM Tariff, Article 1, Definitions E - F that was accepted by the Commission in various dockets with various effective dates.

ER26-403-000 On October 31, 2025, in Docket No. ER26-403-000, PJM submitted changes to Tariff, Part VIII, to establish Replacement Generation Interconnection Service as a separate serial interconnection process for the efficient and timely transfer of Capacity Interconnection Rights from deactivating generation resources to new replacement resources. PJM requested an effective date of January 1, 2026.

ER26-403-001 On November 24, 2025, in Docket No. ER26-403-001, PJM filed to request that the effective date for PJM's filing on October 31, 2025 in Docket No. ER26-403-000 (October 31 Filing) be revised to January 30, 2026. In the October 31 Filing, PJM submitted changes to Tariff, Part VIII, to establish Replacement Generation Interconnection Service as a separate serial interconnection process for the efficient and timely transfer of Capacity Interconnection Rights from deactivating generation resources to new replacement resources.

ER26-455-000 On November 7, 2025, in Docket No. ER26-455-000, PJM submitted to FERC revisions to the PJM Open Access Transmission Tariff to update certain Reliability Pricing Model auction parameters resulting from the periodic review required by the Tariff to occur no later than every four years. PJM requested an effective for the Periodic Review proposal of January 23, 2026.

ER26-527-000 On November 14, 2025, in Docket No. ER26-527-000, PJM proposed Tariff and Operating Agreement updates to utilize only Cost-Based Offers for resources that are pre-scheduled in advance of the Day-ahead Energy Market. PJM requested that the Commission issue its order accepting the revisions by no later than January 13, 2026, with a 12/31/9998 effective date.

ER26-751-000 On December 12, 2025, in Docket No. ER26-751-000, PJM submitted a filing in compliance with Order Nos. 1920, 1920-A, and 1920-B to establish a new Long-Term Regional Transmission Planning Protocol in Operating Agreement, Schedule 6-C and compliance revisions to the Regional Transmission Expansion Planning Protocol in Operating Agreement, Schedule 6. PJM requested an extended 40-day comment period, so that comments would be due January 21, 2026.
ER26-846-000 On December 19, 2025, in Docket No. ER26-846-000, PJM submitted proposed revisions to the PJM Tariff and Operating Agreement to effectuate the participation of a new kind of market participant, known as the Economic Load Response Regulation Only Participant, in PJM’s Regulation market. PJM requested that its proposed revisions become effective as of April 1, 2026.

ER26-852-000 On December 22, 2025, in Docket No. ER26-852-000, PJM submitted revisions to the PJM Tariff and Operating Agreement to improve the dispatch of wind and solar resources through consideration of their Effective Economic Maximum output. PJM requested that the Commission accept these revisions by February 20, 2026. PJM also submitted as part of this filing a clerical and ministerial clean-up to correct, clarify, or make consistent Tariff sheets for PJM's Tariff, Article 1, Definitions E-F and Tariff, Article 1, Definitions R-S that were accepted by the Commission in various dockets with various effective dates.

ER26-899-000 On December 29, 2025, in Docket No. ER26-899-000, PJM submitted revisions to PJM Tariff, Schedule 12 – Appendix, Schedule 12 – Appendix A, and Schedule 12 – Appendix C to update annual cost responsibility assignments for Regional Facilities, Necessary Lower Voltage Facilities, Lower Voltage Facilities, and State Agreement Public Policy Projects, consistent with PJM Tariff, Schedule 12. This filing also includes minor ministerial clean-up revisions to Schedule 12 – Appendix, section 14. PJM requested the revisions to the annual cost assignments be effective as of January 1, 2026, and that the ministerial clean-up changes be effective as of January 1, 2024.

Amendments accepted by FERC (not yet effective)

The following governing agreement amendment filings were submitted to, and approved by, FERC, but are not yet effective and are not reflected in the version of the conformed governing agreement posted on PJM’s website. The pending language can be found in the filing submitted to FERC and will be added to the conformed tariff once it becomes effective.

ER22-962-000 On March 1, 2023, the Commission issued an order on PJM’s February 1, 2022 Order No. 2222 compliance filing relating to the participation of distributed energy resource (DER) aggregators in PJM’s energy, capacity, and ancillary services markets. The Commission accepted PJM’s compliance filing, to become effective July 1, 2023 and February 2, 2026, as requested, subject to further compliance filings to be submitted within 30 and 60 days of the date of issuance of the order. The Commission also directed PJM to submit an informational filing within 30 days of the date of issuance of the order “to provide an update on implementation timeline milestones associated with meeting the July 1, 2023 and February 2, 2026 effective dates for participation in its markets.”

ER22-962-004 On November 13, 2023, the Commission issued an order accepting PJM’s June 14, 2023 Order No. 2222 Compliance Filing relating to capacity market mitigation rules for the participation of DER Capacity Aggregation Resources under PJM’s Order No. 2222 DER Aggregator Participation Model. The Commission also directed PJM to submit a further compliance filing within 30 days to address several issues surrounding the effective dates of certain provisions related to the participation of DER Capacity Aggregation Resources under PJM’s Order No. 2222 model. The Commission also rejected a separate PJM FPA section 205 filing to modify the current effective dates of PJM’s Order No. 2222 tariff revisions (July 1, 2023 and February 2, 2026) to an undefined effective date of “12/31/9998,” and provided additional guidance regarding how PJM could resubmit this request.

ER22-962-008 On July 22, 2025, the Commission accepted PJM's re-dated eTariff records applicable to PJM’s Order No. 2222 participation model, in order to memorialize in eTariff the effective date of February 1, 2028, accepted by the Commission in the May 1, 2025 Order in PJM’s Order No. 2222 compliance proceeding.

ER22-2359-001 On November 22, 2023, the Commission issued an Order accepting PJM’s July 18, 2023, as amended on September 29, 2023, submission for revisions to Definitions, Attachment K-Appendix, and Attachment W of PJM’s Open Access Transmission Tariff and Schedule 1 of PJM’s Operating Agreement in compliance with the directives in an April 2023 Commission order and the requirements of Order No. 881. The submittals are effective July 12, 2025 and December 31, 9998, as requested.

ER24-1772-000 On June 14, 2024, the Commission issued an order accepting PJM’s April 16, 2024 Regulation Market reform proposal. The Commission granted PJM’s requested effective dates of June 16, 2024, October 1, 2025, and October 1, 2026.

ER24-2905-000 On October 25, 2024, the Commission issued an Order accepting PJM's filing proposing changes to the schedule selection process for resources in the Day-ahead and Real-time energy markets to accommodate the Next Generation Markets project enhancements to the market clearing engine. The Commission directed PJM to make an informational filing notifying the Commission of the actual effective date of the proposed Tariff and Operating Agreement revisions no less than 30 days prior to the date PJM implements the proposed revisions.

ER24-3135-000 On November 26, 2024, the Commission issued an order accepting subject to condition PJM's proposed revisions for automating bid duration for economic load response participants in PJM’s Energy Markets. The Commission directed PJM to submit a compliance filing by January 27, 2025, and directed PJM to file an informational filing providing the Commission notice of the implementation date no less than 30 days before the proposed revisions become effective.

ER24-3135-001 On February 27, 2025, the Commission accepted PJM's compliance filing pursuant to the Commission's November 26, 2024 order accepting PJM's revisions for automating bid duration for economic load response participants in PJM’s Energy Markets. The Commission granted PJM's requested indeterminate effective date, and directed PJM to file an informational filing at least 30 days before implementation to inform the Commission of the actual effective date.

ER25-1073-001 On November 13, 2025, in Docket No. ER25-1073-001, the Commission issued a delegated order accepting PJM's further compliance filing pursuant to the Commission's August 4 Order on PJM's Order No. 904 compliance filing regarding reactive power compensation, which directed PJM to remove certain language from Tariff, Schedule 2. The Commission accepted the revisions, effective June 1, 2026.

ER25-3428-000 On September 15, 2025, PJM submitted on behalf of ComEd modifications to PJM Tariff, Att H-13A to change the true-up mechanism in the formula rate from utilizing projected revenues based on prior year costs, to actual revenues based on billed revenue for the calendar year. The filing also includes FERC Form 1 pagination updates following implementation of XBRL data format changes, along with ministerial corrections. ComEd is requesting that the tariff changes be effective as of January 1, 2026.

ER26-5-000 On December 4, 2025, in Docket No. ER26-5-000, the Commission issued a letter order accepting PJM's proposed Tariff revisions to eliminate “First-Use” for distribution-level interconnections. PJM's Tariff revisions become effective as of April 28, 2026.

ER26-59-000 On December 5, 2025, in Docket No. ER26-59-000, the Commission issued an order accepting PJM Interconnection, L.L.C.'s electronically submitted to FERC proposed reforms to PJM’s Open Access Transmission Tariff and the Amended and Restated Operating Agreement of PJM pertaining to reforms to PJM’s uplift credit, deviation rules and other market settlements rules.

ER26-284-000 On November 25, 2025, in Docket No. ER26-284-000, the Commission issued a letter order accepting PJM's ministerial clean-up filing related to PJM’s DER Aggregator Participation Model under Order No. 2222. The filing consolidated and updated various tariff records, including provisions in the RAA. PJM's proposed revisions become effective as of December 28, 2025 and February 2, 2026.

ER26-515-000 On November 14, 2025, in Docket No. ER26-515-000, PJM submitted a clerical and ministerial clean-up filing of Tariff revisions to correct, clarify, and/or make consistent PJM Tariff, Definitions, Section C - D that was accepted by the Commission in various dockets with various effective dates.