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December 5, 2025

Energy Market

© RTO Insider 
NYISO Monitor Says More Data Needed to Verify Out-of-market Actions
The NYISO Market Monitoring Unit told the Installed Capacity Working Group that more data is necessary to verify the need for out-of-market actions on the part of transmission owners for reliability.
CAISO
CAISO Ponders DER Market Participation in New Paper
A new CAISO paper lays out a series of challenges around how to improve participation of demand response and distributed energy resources in the ISO's day-ahead and real-time markets.
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Pathways’ ROWE Could Offer Western RA Program, PGE Says
The West-Wide Governance Pathways Initiative could lead the charge on developing an alternative to the Western Resource Adequacy Program that would integrate with CAISO’s Extended Day-Ahead Market, according to co-Chair Pam Sporborg.
IESO
Higher Prices Stressing Ontario Mines, Greenhouse Growers
Higher prices under Ontario’s renewed market are causing heartburn for mines and greenhouse growers, stakeholders told IESO.
Constellation
Energy Secretary Wright Issues 3rd Order Keeping Eddystone Open
Energy Secretary Chris Wright has issued the third order keeping the Eddystone plant in Pennsylvania running after it had been ready to retire in May 2025.
ERCOT
ERCOT Stakeholders Endorse $9.4B 765-kV Build
ERCOT stakeholders endorsed a 1,109-mile, single-circuit 765-kV backbone project that is projected to cost nearly $9.4 billion in capital costs, making it the largest initiative in decades.
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FERC OKs Extension of WEIM Assistance Energy Transfer Feature
FERC granted CAISO's request to remove the sunset date on the Western Energy Imbalance Market Assistance Energy Transfer feature, which has been used by more than 10 of the market’s balancing area authorities in recent years.
IESO
IESO Tweaking Make-whole Payments for Operating Reserves
IESO proposed rule changes to eliminate unwarranted make-whole payments to operating reserve providers under Ontario’s nearly eight-month-old Market Renewal Program.
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FERC Report Urges West to Address Looming Market Seams Issues
A new FERC report adds to the growing body of work showing the complexity of confronting the seams issues likely to arise between the West’s two day-ahead markets when compared with challenges at the borders between RTOs and ISOs in the Eastern U.S.
Xcel Energy
FERC Ends Nonpublic Investigations into Winter Storm Uri
FERC has closed its enforcement investigations into possible unlawful activity related to 2021’s Winter Storm Uri, just a few months before the statute of limitations on the issue is to expire.

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