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February 28, 2025

Capacity Market

EMC Enineering Services
ISO-NE Outlines ‘Straw Scope’ of Capacity Market Reforms
ISO-NE responded to stakeholder feedback on its capacity auction reform project at the NEPOOL Markets Committee meeting, providing clarity on the scope of its capacity market overhaul. 
© RTO Insider LLC
PJM Market Participants React to Spike in Capacity Prices
Generation owners say the increase in PJM capacity prices is the signal they need to invest in new development, while consumer advocates say the backlogged interconnection queue could limit the ability for market participants to react.
Casey Monaghan, CC-BY-SA-2.0, via Wikimedia Commons
PPL Backs Utility-owned Generation in Pa. After PJM Capacity Price Spike
PPL reported GAAP earnings of $190 million for the second quarter and executives focused on changing market dynamics in PJM during a teleconference with analysts. 
© RTO Insider LLC
Environmental Groups Seek Rehearing of MISO Sloped Demand Curve
The Sierra Club, Natural Resources Defense Council and the Sustainable FERC Project are seeking a rehearing of MISO’s sloped demand curve in its capacity auction.
PJM
PJM Capacity Prices Spike 10-fold in 2025/26 Auction

PJM capacity prices increased nearly tenfold in the 2025/26 Base Residual Auction as a trifecta of load growth, generation deactivations and changes to risk modeling shrank reserve margins.

Shutterstock
ISO-NE Capacity Accreditation Reforms Spur Energy Storage Concerns
As ISO-NE undertakes major capacity market accreditation reforms, New England storage developers are voicing concerns that potential flaws in the RTO’s modeling methodology could discourage new investments in storage resources.
© RTO Insider LLC
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.
NYISO
NYISO Stakeholders Continue Debate over Battery as Proxy Unit
NYISO analysts continue to recommend a two-hour battery electric storage system resource as the proxy unit for the ISO’s capacity market demand curve.
Entergy
DC Circuit Declines Entergy Challenge of MISO Seasonal Accreditation
The D.C. Circuit Court of Appeals rejected Entergy’s challenge of MISO’s seasonal capacity accreditation and generator outage rules, two years after FERC approved the rules.
© RTO Insider LLC
PJM Presents Revised Reserve Requirement Study Values

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