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December 5, 2025

David Patton

Potomac Economics
NEPOOL PC Briefs: June 24-26, 2025

ISO-NE and stakeholders discussed market performance, capacity auction reforms, the RTO’s 2026 budget and asset condition spending at the summer meeting of the NEPOOL Participants Committee.

© RTO Insider LLC
MISO IMM Contends he Should Have Role in Tx Planning Oversight

The MISO Independent Market Monitor insisted to FERC that MISO’s own rules allow him to assess transmission. Market monitors of other grid operators backed him up.

NERC
FERC Focuses on Midwest, Northeast in Day 2 of RA Tech Conference

FERC’s resource adequacy technical conference zoomed out on the second day, June 5, with several panels examining ISO-NE, MISO and NYISO.

© RTO Insider
EDAM Congestion Debate Builds Even as CAISO Moves to Address Issue
The dispute over how CAISO’s Extended Day-Ahead Market will allocate congestion revenues to market participants continues, even as the ISO moves to address stakeholder concerns.
© RTO Insider LLC 
FERC Seeks Nearly $1B in Penalties from EE Provider in MISO, PJM
FERC has ordered American Efficient to defend its energy efficiency programs in PJM and MISO or pay a $722 million penalty and return $253 million in profits to ratepayers.
© RTO Insider LLC 
MISO Board Endorses $21.8B Long-range Transmission Plan
The MISO Board of Directors approved a landmark, 24-project, mostly 765-kV collection of transmission lines and facilities for the RTO’s Midwest region at a cost of $21.8 billion.
ATC and ITC
MISO IMM Makes Closing Arguments Against $21.8B Long-range Tx Plan
MISO Independent Market Monitor David Patton has made a final stand against the RTO’s $21.8 billion long-range transmission plan, while members are advising the MISO Board of Directors that the IMM's opinions on transmission shouldn't hold water.
MISO
MISO Says 2nd Long-range Tx Plan to Cost $21B, Deliver Double in Benefits
MISO said its second, mostly 765-kV long-range transmission plan will provide the Midwest region with at least a 1.9:1 benefit-cost ratio, a metric that was greeted with skepticism by Independent Market Monitor David Patton.
© RTO Insider LLC
MISO Monitor Spotlights Congestion Fixes, Market Mismatches in 2023
MISO’s Independent Market Monitor debuted six new market recommendations this year as part of his annual State of the Market report.
Potomac Economics
NEPOOL Holds Summer PC Meeting amid New England Heat Wave, Climate Protests
NEPOOL held its annual summer Participants Committee meeting in New Hampshire during a multiday stretch of extreme heat and high demand on the New England grid.

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