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December 22, 2025

RTO Insider

AESOCAISO/WEIMCAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing BodyCompany NewsERCOTERCOT Board of DirectorsERCOT Other CommitteesERCOT Technical Advisory Committee (TAC)Public Utility Commission of Texas (PUCT)FERC & FederalIESOIESO Strategic Advisory CommitteeIESO Technical PanelISO-NEISO-NE Consumer Liaison GroupISO-NE Planning Advisory CommitteeNEPOOL Markets CommitteeNEPOOL Participants CommitteeNEPOOL Reliability CommitteeNEPOOL Transmission CommitteeMarketsAncillary ServicesCapacity MarketEnergy MarketReservesVirtual TransactionsMISOMISO Advisory Committee (AC)MISO Board of DirectorsMISO Market Subcommittee (MSC)MISO Planning Advisory Committee (PAC)MISO Regulatory Organizations & CommitteesOrganization of MISO States (OMS)MISO Reliability Subcommittee (RSC)MISO Resource Adequacy Subcommittee (RASC)NYISONY PSCNYISO Business Issues CommitteeNYISO Management CommitteeNYISO Operating CommitteeOther NYISO CommitteesPJMPJM Board of ManagersPJM Market Implementation Committee (MIC)PJM Markets and Reliability Committee (MRC)PJM Members Committee (MC)PJM Operating Committee (OC)PJM Other Committees & TaskforcesPJM Planning Committee (PC)PJM Transmission Expansion Advisory Committee (TEAC)Public PolicyEnvironmental RegulationsReliabilityState & RegionalAlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineManitobaMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOntarioOregonPennsylvaniaRhode IslandRTO-IndianaSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingResourcesDemand ResponseDistributed Energy Resources (DER)Energy EfficiencyEnergy StorageBattery Electric StorageOther Electric StorageGenerationCoalGeothermalHydrogenHydropowerNatural GasNuclear PowerOffshore WindOnshore WindOperating ReservesRooftop/distributed SolarUtility-scale SolarResource AdequacySpecial Reports & CommentaryCommentaryConference CoverageOther CoverageSpecial ReportsSPPMarkets+Other SPP CommitteesSPP Board of Directors & Members CommitteeSPP Markets and Operations Policy CommitteeSPP Regional State CommitteeSPP Seams Advisory GroupSPP Strategic Planning CommitteeWestern Energy Imbalance Service (WEIS)SPP/WEISTransmissionFinancial Transmission Rights (FTR)Transmission OperationsTransmission PlanningTransmission Rates
CAISO
WEIM Q2 Benefits Exceed $420M, as Total Tops $7.4B
CAISO’s Western Energy Imbalance Market provided participants with $422.44 million in economic benefits during the second quarter of 2025, up 15% compared with the same period year earlier despite no change in membership. 
Cleco
IMM: MISO Should Penalize Gen that Falls Flat on Emergency Output
The MISO Independent Market Monitor called on the RTO to develop a penalty system for generation for underperformance during emergencies.
Consumers Energy
DOE Extension of Michigan Coal Plant Cost $29M in 1st Month
The Michigan coal plant kept online by an emergency order from the U.S. Department of Energy cost $29 million to run in a little over a month.
PPL
PPL Briefs Analysts on Efforts to Serve Data Centers in Pa., Ky.
PPL expects the current surplus of generation in its Pennsylvania territory will be lost to demand growth from data centers in the next five years and said it has plans to help meet that growing demand with new generation. 
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Industry, Regulators Grapple with AI Demand at NARUC Policy Summit
Growing power demand from data centers dominated conversations at the NARUC Summer Policy Summit, where industry members and Trump administration officials advocated for the rapid addition of fossil fuel resources and infrastructure to meet load growth.
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Trump Officials Talk Regulatory Rollbacks at NARUC Meeting
EPA Administrator Lee Zeldin proudly told NARUC attendees the agency’s proposed rescission of the 2009 endangerment finding would be the “largest deregulatory action in the history of the country.”
SPP
Colo. PUC Approves PSCo’s Markets+ Participation
The Colorado PUC voted to approve Public Service Company of Colorado's plans to join SPP’s Markets+, with commissioners split on whether the move is a step toward or away from full RTO participation.
CAISO
FERC Affirms Use of RTO Adder for CAISO Tx Developer
FERC affirmed the ability of an independent transmission developer to include an RTO adder in its CAISO formula rate, rebuffing a request by the California Public Utilities Commission to reject the company’s use of the incentive.
Hanson Inc.
Ameren Argues Exclusive Rights to MISO Illinois Competitive Tx Projects
Ameren Illinois argued to FERC that it should have dibs on sections of two competitive long-range transmission projects worth almost $2 billion from MISO’s second portfolio, claiming Illinois’ “first in the field” doctrine is tantamount to a right of first refusal law.
We Energies
MISO Prepares for More Projects than Study Slots in 1st Queue Express Lane
MISO expects to exceed its quarterly project maximum when it begins accepting the first generation project proposals under its interconnection queue express lane.

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