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December 20, 2025

Markets

© 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.
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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.
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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.
SPP
FERC Accepts Revisions to SPP’s WEIS Market
FERC accepted SPP's tariff revisions to its Western Energy Imbalance Service market that allow market holds for reliability-based concerns when requested by a balancing authority.
CAISO
Panel Ponders Impacts, Priorities Around Western Market Seams

The formation of two competing day-ahead markets will create seams across the West, but at least one utility representative is more worried about seams resulting from the fracture of CAISO’s real-time Western Energy Imbalance Market.

PacifiCorp
CAISO Approves New EDAM Congestion Revenue Allocation Design
CAISO's Board of Governors and the Western Energy Markets Governing Body approved a new method for allocating certain congestion revenues in the ISO's Extended Day-Ahead Market, set to launch in 2026
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Tri-State Tells Colorado PUC Joining SPP RTO in Public Interest
Tri-State asked the Colorado Public Utilities Commission to find it would be in the public interest for the power supplier to join SPP, saying integrating with the RTO would bring significant benefits.
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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.
Lazard
Lazard: Solar and Wind Retain Lowest LCOEs

Lazard’s latest analysis of the levelized costs of energy concludes that wind and solar are the least-expensive new-build power generation for the 10th year in a row.


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