Markets

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.
MISO
MISO Prepping for Likely 123-GW Summer 2025 Peak
MISO cautioned it’s likely in for heat waves and drought this summer with a slight chance it navigates a 130-GW peak in July.
Z22, CC-BY-SA 4.0, via Wikimedia Commons
NYISO Monitor Analyzing Alternative Capacity Market Designs
The NYISO Market Monitoring Unit told stakeholders it is independently analyzing the capacity market in parallel with the ISO’s ongoing Capacity Market Structure Review project.
© RTO Insider
MISO’s AC Rekindles Talk on Gas-Electric Coordination Frustrations
After a hiatus on gas-electric coordination discussions, MISO’s Advisory Committee touched on lingering frustrations in 2025 and potential solutions.
Yes Energy
IESO Opens Day-ahead Market in Nodal Rollout
IESO continued a smooth rollout of Ontario's nodal market, launching a financially binding day-ahead market.
EMC Engineering Services
NEPOOL Supports Timeline Revisions for ISO-NE Order 2023 Compliance
The NEPOOL Participants Committee voted to support an expedited filing adjusting several key dates in ISO-NE’s compliance proposal for FERC Order 2023.
Talen Energy
FERC Approves $180M Annually for RMR Deals with Brandon Shores and Wagner Plants
FERC approved settlements on reliability must run deals that will keep the Brandon Shores Generating Station and the H.A. Wagner Generating Station in Maryland running until May 31, 2029.
NYISO
NYISO Details Proposed Metrics for IDing Poor Performers in Reserve Market
NYISO has proposed the metrics for identifying operating reserve suppliers that consistently underperform as part of its plan to remove them from the market.
Yes Energy
IESO Nodal Market Launch Successful
Ontario's IESO successfully launched its nodal market on May 1, reporting few glitches during its rollout.
© RTO Insider 
California Lawmakers Seek to Trump-proof Pathways Initiative Bill
New amendments to the proposed Pathways bill would include protections against possible attempts by President Donald Trump to influence California energy markets, such as pushing the state to buy coal-fired generation.

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