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December 19, 2025

RTO Insider

PJM
PJM Monitor Presents Spin Event Performance
The PJM Independent Market Monitor found that modeling issues were the largest cause of synchronized reserve underperformance during a July 22 spin event, in which about 80% of assigned reserves responded.
© RTO Insider
SPP State Regulators Affirm Use of Highway/Byway Cost Allocation
SPP state regulators have approved several motions related to FERC Order 1920’s mandate for long-term, scenario-based planning to ensure the system can meet future needs and be fairly compensated.
Shutterstock
PJM Stakeholders Endorse Rules for DER Participation
The PJM Market Implementation Committee endorsed manual revisions that define how distributed energy resources will participate in the 2028/29 capacity auction.
© RTO Insider LLC
NYISO Meeting Briefs: Nov. 3-4, 2025
NYISO presented the results of Phase 1 of the 2024 Cluster Study process at a special Operating Committee meeting.
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FERC Rejects Kentucky Complaint Against AEP’s Tx Cost Allocation
FERC rejected a complaint from the Kentucky PSC against AEP, finding the utility holding company's practice of spreading supplemental projects around its PJM utilities is still just and reasonable.
Duke Energy
Duke Reports Growing Investment Plans on Increased Earnings
Duke Energy expects its new five-year capital plan for 2026 to 2030 to be between $95 billion and $105 billion, up from the $87 billion that was planned for 2025 to 2029.
PJM
PJM Presents Shortlist of RTEP Projects
PJM presented its shortlist of projects for inclusion in the first window of its 2025 Regional Transmission Expansion Plan.
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SPP Awards 8th Competitive Project, 3rd in 2025
SPP’s Board of Directors has awarded its eighth competitive project and third in 2025 under FERC Order 1000, a 345-kV upgrade in the Texas Panhandle.
PJM
PJM Winter Outlook Finds Tightening Reserve Margins
PJM’s winter outlook found the RTO should have enough resources to meet the forecast peak load of 145,700 MW, although the reserve margin continues to decline as new resource development lags.
CAISO
EDAM Intertie Scheduling Processes Raise Stakeholder Concerns
At one of the most well attended workshops of the year, CAISO staff described new processes for scheduling intertie resources and resource adequacy imports in EDAM.

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