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December 5, 2025

capacity accreditation

Analysis Group
ISO-NE Introduces Approach to Modeling Gas Constraints
ISO-NE outlined its planned approach for accounting for resources’ gas supply limitations in its new capacity accreditation framework at a NEPOOL Markets Committee meeting.
NERC
NERC Staff Call for Resource Accreditation Guideline
In a new report, NERC staff call for a reliability guideline to help establish consistent resource accreditation practices for regional system planners.
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.

© RTO Insider 
Stakeholders Question MISO Plan to Reassign LSEs’ MW Duties Based on Risky Periods
MISO stakeholders are skeptical of the RTO’s proposed new approach to divvying up reliability obligations among load-serving entities based on evolving system risk.
© RTO Insider LLC
FERC Approves Changes to PJM Capacity Deficiency Rate
FERC approved a PJM proposal to revise the penalty rate for resources that are unable to meet their capacity obligation due to a decrease to their accreditation.
© RTO Insider
PJM MRC Briefs: May 21, 2025

The PJM Markets and Reliability Committee endorsed a proposal intended to add transparency to the RTO’s effective load-carrying capability process.

© RTO Insider
MISO CEO: Slim Reserves Not Necessarily Bad
MISO CEO John Bear put a positive spin on the grid operator making do with little cushion in its supply.
Z22, CC-BY-SA 4.0, via Wikimedia Commons
NYISO Monitor Analyzing Alternative Capacity Market Designs
The NYISO Market Monitoring Unit told stakeholders it is independently analyzing the capacity market in parallel with the ISO’s ongoing Capacity Market Structure Review project.
SMS Group
Stakeholders Ask FERC to Soften MISO’s Proposed DR Accreditation
Stakeholders asked FERC to force MISO to cut or dilute some of the harsher requirements of its proposed demand response participation and accreditation package.
© RTO Insider
Firm Fuel Proposal Continues to Confuse NYISO Stakeholders
NYISO returned to the Installed Capacity Working Group with more modifications to the tariff language and general structure of its firm fuel capacity accreditation proposal, but stakeholders still appear to be skeptical of it.

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