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December 8, 2025

Federal Energy Regulatory Commission (FERC)

The Federal Energy Regulatory Commission is an independent agency that regulates the interstate transmission of electricity, natural gas and oil; reviews proposals to build LNG terminals and interstate natural gas pipelines; and licenses hydropower projects. FERC also oversees operations of regional wholesale electricity and natural gas markets and oversees the reliability of the bulk electric system.
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FERC OKs Imperial Irrigation District’s WEIM Agreement

FERC approved CAISO's Western Energy Imbalance Market implementation agreement with Imperial Irrigation District.

NextEra Energy
NextEra Closer to Recommissioning Duane Arnold with FERC Waivers
FERC granted NextEra Energy’s request to waive certain rules under MISO’s tariff to allow the company to restart its Duane Arnold nuclear plant by the end of 2029.
FERC
FERC Responds to ERO’s INSM Clarification Filing
FERC provided additional explanations of a key term in its directive that NERC revise a recently approved cybersecurity standard.
The White House
Chatterjee, Bush Expect Sharp Changes in Response to OBBBA
Former FERC Chair Neil Chatterjee and former Texas Land Commissioner George P. Bush offered their thoughts on the impact of OBBBA on the energy sector during a webinar. 
Kevin Dooley, CC-BY-SA 2.0, via Wikimedia Commons
NERC Standards Committee Tackles Final Order 901 Tranche
NERC's Standards Committee agreed to post two inverter-based resource-related standard authorization requests for industry comment at its monthly meeting.
SPP
FERC Approves SPP’s Separate Winter, Summer PRMs
FERC has approved SPP’s tariff revision that establishes separate planning reserve margins for the summer and winter seasons, saying it will provide “more granularity” by recognizing the reliability differences between the two seasons.
Constellation
FERC Approves Cost Allocation for Eddystone Emergency Order
FERC approved PJM’s proposal for allocating the costs for Constellation Energy to continue operating its Eddystone Generating Station near Philadelphia under an emergency order by the U.S. Department of Energy.  
LS Power
FERC Partly Grants Complaint on PJM Opportunity Cost Adders
FERC partly granted a complaint from LS Power challenging the calculation of opportunity cost adders, requiring operating agreement revisions.
MISO
FERC Rules Costs of Mich. Coal Plant Extension Can be Split Among 11 States
FERC said MISO should spread the costs of keeping a Michigan coal plant running past its retirement date over the RTO’s entire Midwest region.
MISO
Stakeholder Forum: Recent MISO Complaint Undermines Regional Transmission Planning Framework
A new attack on regional transmission planning threatens to unravel a decade of progress toward a more reliable, affordable, and interconnected electric grid, says Ted Thomas.

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