Energy Companies Submit Latest Round of Rate Filings
Published Date: 6/9/2026
Notice
Summary
The Federal Energy Regulatory Commission got a bunch of new filings from energy companies about rates, refunds, and approvals. These changes could affect electric customers and companies starting as soon as July 1, 2026, with some refunds and rate updates coming soon. If you’re involved or interested, keep an eye on deadlines in mid to late June to have your say!
Analyzed Economic Effects
7 provisions identified: 2 benefits, 2 costs, 3 mixed.
Market-Based Rate Filing Effective July 1, 2026
Lantar Energy LLC filed an initial rate application for market-based rate authority that the company requests be effective July 1, 2026. The filing is open for comments with a 5:00 p.m. ET comment deadline of June 25, 2026.
California Grid Seeks Regulatory-Asset Recovery
California Grid Holdings LLC filed a Section 205(d) rate request to recover a regulatory asset, with the company asking that the recovery be effective August 4, 2026. The filing was submitted June 4, 2026 and the comment deadline is 5:00 p.m. ET on June 25, 2026.
Vermont Transco Seeks Cost Recovery
Vermont Transco LLC filed a request for regulatory asset and deferred cost recovery on June 3, 2026. The notice lists a comment deadline of 5:00 p.m. ET on June 24, 2026 for this filing.
Company Refund Reports Filed (June 3, 2026)
Panther Creek Power Operating, LLC and Scrubgrass Reclamation Company L.P. each submitted refund reports on June 3, 2026. The Commission lists comment deadlines of 5:00 p.m. ET on June 24, 2026 for these filings.
Michigan Transmission Tariff Filing (Effective May 18, 2026)
Michigan Electric Transmission Company, LLC and Midcontinent Independent System Operator filed a Section 205(d) tariff filing that is listed as effective May 18, 2026. The filing was submitted June 4, 2026 and comments are due by 5:00 p.m. ET on June 25, 2026.
LGIA Terminations Filed for AL/GA/MS Utilities
Alabama Power Company, Georgia Power Company, and Mississippi Power Company each filed tariff amendment notices for LGIA (large generator interconnection agreement) termination filings to be effective June 4, 2026. These filings were submitted June 4, 2026 with comments due by 5:00 p.m. ET on June 25, 2026.
Deadlines to Intervene or Protest (June 11–June 25, 2026)
For the listed filings, anyone wanting to intervene, protest, or file comments must do so in accordance with the Commission's rules by 5:00 p.m. Eastern time on each filing's specified comment date. The notice includes comment dates ranging from June 11, 2026 (for the EC26-69-000 supplement) through June 25, 2026 for several rate and tariff filings.
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Key Dates
Department and Agencies
Related Federal Register Documents
2026-15639, Combined Notice of Filings #1
The Federal Energy Regulatory Commission got a bunch of new electric rate filings from big energy players like Duke Energy, Idaho Power, and several grid operators. These filings include updates to tariffs and agreements that could affect how electricity rates and services work, with some changes kicking in as soon as July 22, 2026. If you’re involved in energy or just curious, keep an eye out for public comments due by mid-August and possible impacts on future electricity costs.
2026-15694, Vinton Dome Storage Hub, LLC; Notice of Scoping Period Requesting Comments on Environmental Issues for the Proposed Vinton Dome Storage Hub Project
2026-15693, Guardian Pipeline, LLC; Notice of Scoping Period Requesting Comments on Environmental Issues for the Proposed Guardian 3 Expansion Project
2026-15445, Southern Star Central Gas Pipeline, Inc.; Notice of Request Under Blanket Authorization and Establishing Intervention and Protest Deadline
Southern Star Central Gas Pipeline wants to boost the pressure on a 13,100-foot section of their pipeline in Kansas from 150 to 333 psi. This change won’t increase how much gas flows but will help with future upgrades. If you want to speak up or get involved, you’ve got until a set deadline to jump in!
2026-15444, Domtar Paper Company, LLC; Notice of Application for Non-Capacity Amendment of License Accepted for Filing, Soliciting Comments, Motions To Intervene, and Protests
Domtar Paper Company wants to make some changes to their Rothschild Hydroelectric Project on the Wisconsin River, but these changes won’t affect how much power it produces. The government is now asking the public and agencies to share their thoughts or concerns by August 26, 2026. This is a chance for locals and experts to weigh in before any decisions are made—no big money or time changes expected yet!
2026-15292, Portland Natural Gas Transmission System; Notice of Request Under Blanket Authorization and Establishing Intervention and Protest Deadline
Portland Natural Gas Transmission System wants to boost its gas pipeline capacity by about 14,000 Mcf/d in two key areas to handle new deliveries from TransCanada Pipelines. This upgrade won’t cost extra or need new construction, but it’s a big deal for customers relying on steady gas flow. If you want to speak up or protest, you’ve got a deadline to keep in mind!
Previous / Next Documents
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The National Science Foundation wants your thoughts on new rules to keep their data super safe. If you work with or access their confidential info, these changes might affect you. You’ve got until July 9, 2026, to share your ideas—no cost, just your voice to help make things better and easier!
Next: 2026-11533, Combined Notice of Filings
The Federal Energy Regulatory Commission got a new filing from Sea Robin Pipeline Company about changing their fuel cost tracking starting July 1, 2026. This could affect natural gas rates and refunds, so people have until June 15 to share their thoughts. If you use or pay for natural gas, keep an eye on these updates—they might impact your bills soon!