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December 30, 2025

Markets

DTE Energy
MISO Defers Unpopular Capacity Accreditation Filing, Remains Committed to Design
MISO said it will push back a contentious filing for a new, marginal approach to capacity accreditation into early next year.
© RTO Insider LLC
ERCOT Searching for 3 GW of Winter Capacity
ERCOT surprised market participants with an announcement that it plans to increase operating reserves by requesting an additional 3,000 MW of capacity to shore up the grid for the upcoming winter.
NYISO
FERC Reaffirms NYISO’s 17-Year Amortization, Dismisses Protests
FERC reaffirmed its support for NYISO’s 17-year amortization period in its installed capacity market, rejecting protests from state regulators and consumers.  
Shutterstock
ISO/RTOs Oppose Call for Capacity Accreditation Tech Conference
A call for FERC to run a technical conference on capacity accreditation ran into a mixed reception, with the ISO/RTO Council saying it is too regional of an issue for the idea to have an impact.
NextEra Energy
Groups Seek Hybrid Exemption from MISO Ban on Renewables Supplying Ramping
Clean energy groups in MISO have told FERC it should rethink its support of a ban on renewable energy in MISO’s ancillary service market because the commission didn’t consider hybrid resources.
MISO
MISO 2024 CONE Values Jump on Inflation
MISO has calculated significant increases in its annual cost of new entry for use in its capacity auction in the 2024/25 planning year.
© RTO Insider LLC
Texas High Court to Review Decision on Uri Charges
The Texas Supreme Court will review a lower court ruling on the Public Utility Commission’s emergency pricing orders during the deadly 2021 winter storm, potentially placing billions of dollars at stake.
PJM
PJM OKs 32% Cut in Elliott Penalties in Proposed Settlement
PJM agreed to reduce its nonperformance penalties 31.7% for generators that could not meet their capacity obligations during the December 2022 winter storm.
MISO
MISO Demand Up, Prices Down During Bumpy August
MISO's August demand rose compared to a year ago, while prices dropped by nearly two-thirds.
© RTO Insider LLC
PJM Board Releases Outline of Capacity Market Changes
PJM's Board of Managers has adopted a variant of the RTO annual capacity market CIFP proposal, which includes changes to risk modeling, accreditation and capacity performance.

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