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April 9, 2026

Capacity Market

MISO
MISO Stakeholders Request Theoretical 2025/26 Auction Clearing Sans Sloped Curve

Stakeholders continue to ask MISO to crunch hypothetical auction clearing prices absent the RTO’s new sloped demand curve that sent prices past $660/MW-day for summer.

© RTO Insider 
Consumer Advocates, Environmentalists Lay out Priorities to PJM
PJM’s Public Interest and Environmental Organization User Group voiced mixed views on the RTO’s policy trajectory, praising advances in generation interconnection over the past year while raising concerns about rising costs and transparency.
PJM
PJM MRC Preview: May 21, 2025
PJM will present a proposal aiming to make the RTO’s effective load-carrying capability (ELCC) process more transparent.
State of Ohio
Ohio Governor Signs Utility Law Aimed at Enhancing Competitive Market
Ohio's governor signed into law a major reform of how the state regulates utilities, eliminating electric security plans that utilities have used to meet demand from non-shopping customers since a 2008 law authorized them.
Constellation Energy
ISO-NE Discusses Details of New Prompt Capacity Market
ISO-NE and NEPOOL members discussed how to address market power, tie benefits and resource qualification in a prompt capacity market during a three-day meeting.
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.
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.

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