News & Analysis as of

Infrastructure Tariffs Transmission Grid

Troutman Pepper Locke

FERC Approves SPP’s RTO West Plan to Connect Eastern and Western Grids

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On March 30, 2025, FERC approved revisions to Southwest Power Pool, Inc.’s (“SPP”) Open Access Transmission Tariff (“Tariff”) and Governing Documents to allow nine entities (“Expansion Members”) in the Western Interconnection...more

Troutman Pepper Locke

FERC Institutes Show Cause Proceeding on Co-Location Issues in PJM

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On February 20, 2025, FERC found that the PJM Interconnection, L.L.C. (“PJM”) Open Access Transmission Tariff (“OATT”) appears to be unjust and unreasonable because it does not address with clarity or consistency the rates,...more

Mayer Brown

FERC Ends Reactive Power Compensation

Mayer Brown on

On October 17, 2024, the Federal Energy Regulatory Commission (FERC) issued Order No. 904, Compensation for Reactive Power Within the Standard Power Factor Range (the “Final Rule”), determining it unjust and unreasonable for...more

Troutman Pepper Locke

MISO Submits FERC Filing Seeking to Reform Resource Accreditation Requirements

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On March 28, 2024, the Midcontinent Independent System Operator, Inc. (“MISO”) submitted a filing to the Federal Energy Regulatory Commission (“FERC”) proposing revisions to its Open Access Transmission, Energy and Operating...more

Troutman Pepper Locke

D.C. Circuit Upholds PJM Tariff Changes to Planning of Asset Management and End of Life Projects

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On November 17, 2023, the U.S. Court of Appeals of the District of Columbia Circuit (“D.C. Circuit”) denied petitions challenging FERC’s approval of recent changes to the PJM Interconnection, L.L.C.’s (“PJM”) Open Access...more

Troutman Pepper Locke

PJM Files Capacity Market Overhaul for Resource Adequacy and Grid Reliability

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On October 13, 2023, PJM Interconnection, L.L.C. (“PJM”) submitted two filings with FERC proposing revisions to its Open Access Transmission Tariff (“Tariff”) and its “Reliability Assurance Agreement” (“RAA”) designed to...more

Troutman Pepper Locke

After Initiating Credit Risk Show Cause Proceedings in 2022, FERC Finds that CAISO’s, ISO-NE’s, and NYISO’s Tariffs Remain Just...

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On September 21, 2023, the Commission issued separate orders on show cause proceedings finding that the existing tariffs of the California Independent System Operator Corporation (“CAISO”), ISO New England Inc. (“ISO-NE”),...more

Troutman Pepper Locke

FERC Directs PJM to Use a Historical Simulation Model with a 99% Confidence Level for its FTR Credit Requirement

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On September 21, 2023, the Commission approved, in part, PJM Interconnection L.L.C.’s (“PJM”) proposed tariff revisions regarding the calculation of the Financial Transmission Right (“FTR”) credit requirement (“September...more

Troutman Pepper Locke

FERC Approves SPP Proposal for Energy Storage to Be Considered Transmission-Only Assets

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On May 26, 2023, the Commission accepted Southwest Power Pool, Inc.’s (“SPP”) proposed revisions to its Open Access Transmission Tariff (“Tariff”) to establish the “framework under which an electric storage resource may be...more

Morgan Lewis - Power & Pipes

FERC Extends Pandemic Emergency Waivers

FERC has issued an order extending the blanket waivers of all requirements to hold meetings in person and/or to provide or obtain notarized documents in open-access transmission tariffs through January 29, 2021....more

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