FERC Tackles Stack of Power Plant Papers
Published Date: 12/16/2025
Notice
Summary
The Federal Energy Regulatory Commission got several new filings from power companies about approvals, rate changes, and solar projects. These updates could affect energy prices and operations starting as soon as December 10, 2025, with public comments open through early 2026. If you’re involved in energy or just curious, now’s the time to check out these changes and share your thoughts!
Analyzed Economic Effects
1 provisions identified: 0 benefits, 0 costs, 1 mixed.
Multiple utility rate filings announced
The Federal Energy Regulatory Commission received many electric rate and tariff filings with specified effective dates and comment deadlines. Examples include: MATL LLP compliance filing effective 2025-12-19 (filed 12/11/25); PJM tariff amendment effective 2025-12-14 (filed 12/11/25); NorthWestern Corporation revised Montana Intertie exhibits effective 2025-12-10 (filed 12/10/25); Southern California Edison revised Added Facilities Rate effective 2026-01-01 (filed 12/11/25); MEC Phase 1 & Phase 2 MBR tariffs effective 2026-01-01 (filed 12/11/25); and multiple initial rate filings for BESS projects (Vaca Dixon BESS LLC and Arges BESS LLC) with effective dates 2026-02-10 (filed 12/11/25). Many of these filings list public comment deadlines around 5:00 p.m. ET on 12/31/2025 or 1/1/2026 (and one comment deadline of 1/26/26).
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Key Dates
Department and Agencies
Related Federal Register Documents
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2026-20453, Southern Star Central Gas Pipeline, Inc.; Notice of Scoping Period Requesting Comments on Environmental Issues for the Proposed Evergy McNew Power Plant Delivery Project
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2026-20418, BIF III Holtwood LLC; Notice of Application for Non-Project Use of Project Land and Waters Accepted for Filing, Soliciting Comments, Motions To Intervene, and Protests
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2026-20416, Commission Information Collection Activities (FERC-603); Comment Request; Extension
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Previous / Next Documents
Previous: 2025-22938, Multifunctional Acrylate and Methacrylate Monomers and Oligomers (MAMMOs) From South Korea and Taiwan; Revised Schedule for the Subject Proceeding
The U.S. International Trade Commission is updating the timeline for its investigation into special chemical products from South Korea and Taiwan. Businesses involved should note new deadlines for reports, hearings, and final decisions, now stretching into early February 2026. These changes come after government funding delays, but no new money impacts were announced.
Next: 2025-22941, Combined Notice of Filings
The Federal Energy Regulatory Commission got new filings from several natural gas pipeline companies about their rates and agreements, mostly starting January 1, 2026. These changes could affect how much customers pay or how pipelines operate. If you want to speak up or get involved, you need to act by the listed deadlines in December 2025.