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December 6, 2025

operating reserve demand curve (ORDC)

© RTO Insider
ERCOT: Tight Summer Margins No Cause for Alarm
ERCOT said it expects the recent retirement of coal-fired and aging units to result in tight operating reserves this summer .
© RTO Insider
Texas PUC Briefs: Feb. 15, 2018
The Texas PUC postponed until March a decision on whether to remove reliability unit commitments from ERCOT’s operating reserve demand curve.
PJM
Rule Changes Could Spur $1.4B Jump in PJM Market Costs
PJM released a proposal for revising price formation rules in its energy markets, which staff estimate could increase market costs by as much as $1.4 B.
MISO’s Plans for Wintertime Offer Caps Stalled by FERC
FERC found that MISO did not adequately comply with its directives in Order 831, which stipulated changes to the RTO's hard and soft offer cap processes.
GSEC
FERC OKs SPP Scarcity Pricing Change
FERC approved SPP’s operating reserves proposal but said the RTO should respond to criticism about scarcity pricing avoidance.
Analysts Debate Potential Vistra Coal Retirements
Vistra Energy’s acknowledgement last month that it may retire some of its coal fleet sparked a debate at Infocast’s Texas Renewable Energy Summit.
PUCT Workshop to Address ERCOT Market Improvements
The ERCOT energy-only market may not be broken, but stakeholders will discuss some fine-tuning at a PUCT workshop this week.
MISO Board Hears State of the Market Recommendations
The MISO IMM gave board members an explanation of the most pressing of the nine new recommendations contained in this year’s State of the Market report.
MISO Steering Committee OKs IMM Proposals for Market Roadmap
MISO’s Steering Committee recommended that all but one of a handful of the Monitor’s oft-repeated recommendations be included on the 2018 Market Roadmap.
MISO, IMM Differ over Scarcity Pricing Changes
The MISO IMM says the RTO isn’t going far enough in proposing changes to comply with FERC’s offer cap rules, like increasing the max value of lost load.

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