Capacity Market

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
PJM Board Selects Cost Allocation for Eddystone
The PJM Board of Managers is pursuing an approach that would spread the cost of continuing to operate Constellation Energy’s Eddystone Generating Station to all PJM consumers.
© RTO Insider 
PJM MRC/MC Briefs: June. 18, 2025
Committee business included a quick-fix package to expand the definition of dual-fuel generation in the Reliability Assurance Agreement to include generation capable of running on a backup fuel type with off-site storage and dedicated delivery.
MISO
MISO Declares Max Gen Emergency in Heat Wave
MISO Midwest entered emergency status during the RTO’s first serious heat wave of the summer.
© RTO Insider 
Pennsylvania Brings Seasonal Capacity Issue Charge to PJM
PJM's Markets and Reliability Committee discussed a problem statement and issue charge brought by Pennsylvania Gov. Josh Shapiro to open a discussion on establishing a sub-annual capacity market design.
© 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
Load Growth Putting Pressure on Capacity Markets in the Northeast
Capacity markets have brought significant cost savings for customers in the Northeast over the past two decades but now face the critical need to evolve amid rapid load growth and a changing resource mix.
IESO
IESO Seeks to Shore up Capacity Market

The IESO Technical Panel approved posting for comment several revisions to the ISO’s capacity market rules and manual intended to reduce the occurrence of unfulfilled commitments.

Ben Schumin, CC BY-SA-2.0, via Wikimedia
NYISO Stakeholders Propose Capacity Retention Market

Central Hudson, Con Edison, National Grid and the Natural Resources Defense Council have co-submitted a proposal to the NYISO project prioritization process asking the ISO consider developing a capacity market based around retaining existing resources.

Shutterstock
ISO-NE Internal Market Monitor Weighs in on Capacity Market Changes

The Internal Market Monitor weighed in on ISO-NE's proposed capacity market overhaul, expressing support for increased flexibility around resource retirement notifications and recommending the elimination of the pivotal supplier test.


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