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December 23, 2025

Ancillary Services

ERCOT Stakeholders Reject Ancillary Service Revisions
ERCOT members voted down the ISO’s attempt to salvage a revision request that would have replaced several ancillary services with new products.
PJM Markets and Reliability Committee Briefs
A summary of measures approved and issues discussed by the PJM Markets and Reliability Committee on May 26, 2016.
ISO-NE: Power Prices Fell by One-Third Last Year
Prices dropped more than $22/MWh to $41, according to the 2015 Annual Markets Report by the Internal Market Monitor of ISO-NE.
PJM Markets and Reliability Committee Preview
A summary of the issues scheduled to be brought to a vote at the PJM Markets and Reliability Committee.
Retiring PJM Board Members Reminisce
Retiring PJM board members Jean Kinsey and Richard Lahey marked their final Annual Meeting with reminiscences.
CAISO Board Approves Aliso Canyon Market Response
CAISO’s Board of Governors approved an ISO plan to temporarily alter market operations in response to the Aliso Canyon shutdown.
Stakeholders Wary of CAISO Contingency Modeling
CAISO stakeholders expressed misgivings and confusion about a new issue paper exploring contingency modeling.
ERCOT Tech Advisory Committee Briefs
The ERCOT Technical Advisory Committee approved staff’s recommendation to add 200 MW of responsive reserve service.
MISO Steering Committee Briefs
The MISO Steering Committee approved by consent a bundle of largely unchanged charters for six working groups and subcommittees.
FERC to Examine RTO Rules for Energy Storage
FERC is seeking comment on if, when and how energy storage can participate in the wholesale energy markets, questioning whether RTOs’ rules are creating barriers for the resource

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