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March 10, 2026

Capacity Market

ISO-NE
ISO-NE Monitor Discusses Market Trends, Energy Transition
The New England wholesale electricity markets performed competitively in 2024, while decreased imports and higher emissions compliance rates increased overall market costs, the ISO-NE Internal Market Monitor told the NEPOOL Participants Committee.
NextEra Energy
ISO-NE Open to PFP Changes Following NEPGA Complaint
ISO-NE said it is open to capping the balancing ratio used to calculate Pay-for-Performance payments to prevent capacity resources from being required to provide more power than their capacity supply obligations.
MISO
MISO on Track to Wrap Summer with 122-GW Peak, Addresses Frequent South Advisories
MISO is poised to close the door on summer with an almost 122-GW peak while issuing several capacity advisories for MISO South.
NRG
NRG, PJM IMM Disagree on LS Power Deal’s Market Power Impact
PJM's IMM is pushing for limits on NRG after it completes its deal with LS Power to prevent its exercise of market power, but the firm argues they are unneeded and the Monitor has failed to show its math
Burns & McDonnell
Stakeholders Mixed on ISO-NE Prompt Capacity Market Proposal

As the first phase of ISO-NE’s capacity market overhaul nears its final form, New England stakeholders remain mixed on the proposed move from a forward to a prompt capacity auction.

Daymark Energy Advisors
New Study Highlights Winter Benefits of OSW in New England
The addition of 3,500 MW of offshore wind capacity would have reduced ISO-NE energy market costs by about $400 million over the past winter, according to a recent study by Daymark Energy Advisors.
© RTO Insider LLC
PJM Stakeholders Reject Proposals to Rework Accreditation
The Markets and Reliability Committee rejected three proposals to revise aspects of PJM’s effective load-carrying capability accreditation model.
Ben Schumin, CC BY-SA-2.0, via Wikimedia
NYISO Unveils Changes to Demand Curve
NYISO has proposed to stop using “winter to summer” and “summer to winter” ratios to determine maximum clearing and reference point prices in its seasonal demand curves.  
ISO-NE
NEPOOL Nears Vote on 1st Phase of ISO-NE Capacity Auction Reforms

ISO-NE presented the final design details and tariff changes for the first phase of its Capacity Auction Reforms project in preparation for a stakeholder vote in October.

Bechtel
Members Say MISO RA Better off Under Seasonal Capacity Auctions, Sloped Curve
MISO members largely agreed that MISO’s new capacity auction structure — featuring individual seasonal auctions and a sloped demand curve — is better for the health of the system.

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