Independent Market Monitor (IMM)

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Group Raises Questions over MISO IMM Involvement in $22B Tx Plan Complaint
A new group formed to represent electric ratepayer interests has raised questions about interactions between MISO’s Independent Market Monitor and the state regulatory agencies seeking to overturn the RTO’s $22 billion long-range transmission portfolio through a FERC complaint.
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FERC Denies Monitor Complaint to Establish PJM Authority to Reject Large Loads
FERC rejected a complaint from the PJM Independent Market Monitor asking it to determine the RTO holds the authority to deny transmission service for large loads that cannot be reliably served/
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PJM, Monitor Float Reserve Market Changes
PJM and the Independent Market Monitor are drafting proposals to rework the RTO’s reserve market.
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PJM Stakeholders Considering Load Management Performance Penalties
PJM, Voltus and the RTO’s Independent Market Monitor presented proposals to establish penalties for demand response and price-responsive demand resources that fail to perform during a pre-emergency load management event.
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FERC Approves PJM CIR Transfer Proposal
FERC approved revisions to PJM’s tariff to streamline the process for the owners of a deactivating resource to transfer its capacity interconnection rights to a new unit at the same point of interconnection.
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MISO Tempers 2026 Budget Plan
MISO has trimmed its annual budget, now expecting to spend a little less than $431 million in 2026, down from nearly $450 million.
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MISO Usage, Outages Up in Fall 2025
MISO and its Monitor tracked a rise in energy consumption in fall 2025 and reviewed some operational rough patches, while the RTO explained why its machine-learning risk predictor remains a work in progress.
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Market Monitor Files Complaint Over PJM Large Load Interconnections
The Independent Market Monitor filed a complaint asking FERC to determine that PJM has the authority to hold off on large load interconnections if they would jeopardize transmission security or resource adequacy.
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PJM Stakeholders Reject All CIFP Proposals on Large Loads
The PJM Members Committee voted against each of the dozen proposals brought to address rising data center load as part of the RTO’s Critical Issue Fast Path process.
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PJM Stakeholders to Vote on Large Load CIFP Proposals
PJM stakeholders are to vote on a record-breaking number of proposals on how the RTO should integrate large loads without impacting resource adequacy.

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