New England Power Rates Under FERC Microscope
Published Date: 6/24/2026
Notice
Summary
The Federal Energy Regulatory Commission is checking if ISO New England and several power companies are charging fair prices for electricity transmission. They started this review on June 18, 2026, and any refunds will count from June 24, 2026. If you want to join the conversation, you have 21 days to speak up and help shape the outcome.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 0 costs, 1 mixed.
Refunds Effective June 24, 2026
If the Commission orders refunds in Docket No. EL26-72-000, those refunds will be effective starting June 24, 2026, the date this notice was published in the Federal Register. This means any ordered refunds will be tied back to that publication date.
FERC Opens Tariff Investigation
On June 18, 2026, the Commission began an investigation under section 206 of the Federal Power Act to determine whether ISO New England Inc.'s Transmission, Markets and Services Tariff is unjust, unreasonable, unduly discriminatory, or preferential. The proceeding is Docket No. EL26-72-000 and names ISO New England and multiple transmission companies.
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Key Dates
Department and Agencies
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Previous / Next Documents
Previous: 2026-12704, Southwest Power Pool, Inc., AEP Oklahoma Transmission Company, Inc., AEP Southwestern Transmission Company, Inc., Deseret Generation & Transmission Co-operative, Inc., Empire District Electric Company, Evergy Kansas Central, Inc., Evergy Kansas South, Inc., Evergy Metro, Inc., Evergy Missouri West, Inc., GridLiance High Plains LLC, ITC Great Plains, LLC, Mountrail-Williams Electric Cooperative, NextEra Energy Transmission Southwest, LLC, NorthWestern Energy Public Service Corporation, Oklahoma Gas and Electric Company, Prairie Wind Transmission, LLC, Public Service Company of Oklahoma, Southwestern Electric Power Company, Southwestern Public Service Company, Transource Missouri, LLC, Transource Oklahoma, LLC, Tri-State Generation and Transmission Association, Inc., Upper Missouri G. & T. Electric Cooperative, Inc.; Notice of Institution of Section 206 Proceeding and Refund Effective Date
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Next: 2026-12706, Midcontinent Independent System Operator, Inc.; AEP Indiana Michigan Transmission Company, Inc.; ALLETE, Inc.; Ameren Illinois Company; Ameren Transmission Company of Illinois; American Transmission Company, LLC; Cleco Power LLC; Duke Energy Indiana, LLC; Entergy Arkansas, LLC; Entergy Louisiana, LLC; Entergy Mississippi, LLC; Entergy New Orleans, LLC; Entergy Texas, Inc.; GridLiance Heartland LLC; Indianapolis Power & Light Company; International Transmission Company; ITC Midwest LLC; Michigan Electric Transmission Company, LLC; MidAmerican Energy Company; Montana-Dakota Utilities Company; Northern Indiana Public Service Company LLC; Northern States Power Company, a Minnesota Corporation; Northern States Power Company, a Wisconsin Corporation; Northwestern Wisconsin Electric Company; Otter Tail Power Company; Pioneer Transmission, LLC; Republic Transmission, LLC; Southern Indiana Gas & Electric Company; Union Electric Company; Wabash Valley Power Association, Inc.; Wolverine Power Supply Cooperative, Inc.; Notice of Institution of Section 206 Proceeding and Refund Effective Date
The Federal Energy Regulatory Commission is checking if the Midcontinent Independent System Operator’s market rules are fair and reasonable. This affects many power companies across several states and could lead to changes in how they charge for electricity. If changes happen, refunds might be given starting from June 24, 2026, so keep an eye out!