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May 18, 2025

Calpine

Calpine
DOJ Seeks PJM Market Data for Review of Constellation-Calpine Merger
As part of its review for the Constellation-Calpine merger, DOJ asked PJM for a major trove of market data as it looks into the region where the two firms' operations overlap the most.
© RTO Insider
Load Growth Dominates Discussions at GCPA’s Spring Conference
Rapid demand growth within ERCOT was a major point of discussion at the Gulf Coast Power Association's recent Spring Conference.
© RTO Insider 
GCPA Hears Different Tales on Texas Load Growth from 2 CEOs
Two power industry CEOs at the Gulf Coast Power Association’s spring conference offered two different takes on ERCOT load growth over the rest of the decade — and how the sector should deal with a potential doubling of peak demand by 2031.
Constellation Energy
Constellation-Calpine Merger Draws Protests over Market Power Concerns in PJM
FERC received several protests to Constellation's proposed purchase of Calpine, with PJM's Monitor arguing the companies need to make additional commitments to preserve competition in the RTO.
© RTO Insider
PJM Stakeholders Endorse Proposals to Rework ELCC Accreditation
PJM’s Markets and Reliability Committee endorsed two proposals to revise the RTO’s ELCC formula to add two new generation categories and limit the penalties resources face if their accreditation declines between auctions.
© RTO Insider LLC
PJM MIC Briefs: Feb. 5, 2025
PJM’s Market Implementation Committee narrowly endorsed a PJM proposal to use ELCC to model the availability of demand response resources in all hours, along with other changes to how DR accreditation is determined.
PSEG
Constellation, Calpine Propose Selling PJM Plants to Cut Market Power
Constellation and Calpine proposed selling off several PJM power plants in their merger application with FERC to quell any concerns with market power in some submarkets.
Constellation Energy
Constellation to Acquire Calpine for $29.1B
Constellation Energy Corp. will acquire Calpine Corp. in a deal that will create the largest U.S. fleet of zero- and low-emission power generation.
Pennsylvania PUC
Pennsylvania PUC Examines PJM’s Tightening Reserve Margin
Pennsylvania regulators hosted several panels to discuss PJM's tightening reserve margins and how the PUC should respond to the situation, which at least promises more high prices in the near future before new supplies can come online.
Fletcher6, CC BY-SA 3.0, via Wikimedia Commons
ISO-NE Refines Scope, Schedule for Capacity Auction Reforms
ISO-NE is not planning to pursue the development of simultaneously clearing seasonal capacity auctions as part of its capacity auction reform project.

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