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March 10, 2026

Capacity Market

PJM
PJM MRC/MC Briefs: July 23, 2025
PJM's Markets and Reliability Committee endorsed by acclamation an issue charge by Constellation Energy focused on how storage as a transmission asset could be implemented in the RTO.
© RTO Insider LLC
PJM Stakeholders Support Sub-annual Capacity Issue Charge
The PJM MRC endorsed an issue charge to hire a consultant to investigate the pros and cons of a sub-annual capacity market and what designs stakeholders feel would be feasible.
NYISO
NYISO Presents Informational CAFs for Non-firm Generators
NYISO provided a glimpse into the possible capacity accreditation factors for gas generator units that have not guaranteed a supply of fuel for the winter capability period.
© RTO Insider  
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.
Constellation Energy
FERC Approves Constellation Purchase of Calpine with Conditions
FERC approved Constellation's purchase of Calpine, which will create an even bigger IPP with nearly 60 GW around the country, with the biggest share of that in PJM.
PJM
PJM Capacity Prices Hit $329/MW-day Price Cap

The clearing price is the highest in PJM history and an increase of $59.22 (22%) from last year’s record for the RTO.

Yes Energy
Industry Experts Find Faults in DOE’s Resource Adequacy Analysis
Industry experts say that while DOE's report points to a well known issue, it focuses only on keeping old plants online instead of needed new capacity.
IESO
IESO Capacity Market Rule Changes Advance

IESO’s Technical Panel approved measures to reduce unfulfilled capacity commitments and began discussion of proposed changes for how the ISO breaks ties in its annual auctions.

Potomac Economics
MISO Tries to Ward Off DR Fraud with New Testing Regime
MISO has filed with FERC to impose more exacting testing on its demand response resources in an effort to deflect fraud.
PJM
PJM Stakeholders Discuss Quadrennial Review Proposals
Key challenges in the review are tightening supply and demand, the uncertain cost of new capacity and accounting for changes PJM has made to how it identifies reliability risks and determines the capacity value for different resource types.

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