Capacity Market
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.
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 is poised to close the door on summer with an almost 122-GW peak while issuing several capacity advisories for MISO South.
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
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.
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.
The Markets and Reliability Committee rejected three proposals to revise aspects of PJM’s effective load-carrying capability accreditation model.
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 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.
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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