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December 5, 2025

Installed Reserve Margin (IRM)

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PJM Stakeholders Reject 2027/28 Capacity Auction Parameters
Stakeholders rejected the installed reserve margin and forecast pool requirement values recommended by PJM staff, with some opposed arguing that the inputs remain nebulous.
PJM
PJM MRC/MC Preview: July 23, 2025
PJM will present its recommended forecast pool requirement and installed reserve margin for endorsement by the Markets and Reliability and Members committees.
Hydro-Québec
NYISO Proposes ICAP Changes for New Entry Ahead of CHPE
NYISO is proposing changes to certain capacity market parameters to accommodate the Champlain Hudson Power Express transmission project, as well as facilitate the new entry of resources.
PJM
PJM MRC/MC Briefs: March 19, 2025
The Markets and Reliability Committee endorsed PJM's recommended installed reserve margin and forecast pool requirement values for the 2026/27 Base Residual Auction.
PJM
PJM MRC/MC Preview: Jan. 23, 2025
Among other actions, the PJM Markets and Reliability Committee and the Members Committee will consider endorsing various manual revisions.
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PJM PC/TEAC Briefs: Jan. 7, 2025
PJM’s Andrew Gledhill presented a proposal to the Planning Committee to revise the installed reserve margin and forecast pool requirement for the third 2025/26 Incremental Auction.
NYISO
NYISO Publishes Final RNA Showing Reliability Need for NYC
NYISO published the final, approved version of the 2024 Reliability Needs Assessment, which identifies a reliability need in New York City beginning in 2033.
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PJM MRC Briefs: July 24, 2024
The PJM MRC endorsed one of two proposals to revise how the RTO uses reserve resources, approving a deployment scheme where instructions are sent by basepoints, while rejecting a parallel proposal to grant operators the ability to dynamically increase market procurements.
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PJM Presents Revised Reserve Requirement Study Values
PJM
PJM MRC/MC Preview: July 24, 2024
The PJM Markets and Reliability Committee will consider proposed revisions to Manual 12 and Manual 13, along with several other agenda items.

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