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February 19, 2025

Ancillary Services

MISO
MISO Estimates 2023 Member Savings Near $5B
MISO announced that it saved its membership approximately $5 billion in 2023 by providing a resource sharing pool for utilities.
State of Massachusetts
FERC Approves ISO-NE’s Day-Ahead Ancillary Services Initiative
FERC approved ISO-NE’s proposal to create a day-ahead ancillary services market and retire the current Forward Reserve Market, effective March 1, 2025.
PJM
PJM MRC/MC Preview: Jan. 24, 2024
PJM's Members Committee is slated to consider endorsing an overhaul to the RTO's regulation market with one price signal and two products representing a resource’s ability to adjust their output up or down.
© RTO Insider LLC
PJM OC Briefs: Jan. 11, 2024
PJM reviewed comments it is jointly submitting with other RTOs on several proposed changes to EPA regulations during the Operating Committee meeting.
Calpine
ERCOT Faces State’s Insatiable Demand for Energy
ERCOT is focused on dispatchable resources to meet the ever-increasing demand for energy in Texas.
© RTO Insider LLC
PJM MRC/MC Briefs: Dec. 20, 2023
The PJM MRC and MC both endorsed a proposal to rework the regulation market to operate with a single price signal and two products provided by market sellers.
© RTO Insider LLC
FERC Upholds MISO Ban on Renewables Supplying Ancillary Services
FERC has reaffirmed that MISO can exclude renewable resources from providing ancillary services in its markets.
PJM
PJM MRC/MC Preview: Dec. 20, 2023
The PJM Markets and Reliability Committee will consider endorsement of two competing proposals to implement multi-schedule modeling, while the Members Committee will endorse representatives for the Finance Committee.
NYISO
NYISO BIC Stakeholders OK Modeling, Market Design
NYISO’s Business issues Committee approved testing of dynamic reserves, changes to the LCR optimizer, and new capacity accreditation rules.  
ERCOT
ERCOT Technical Advisory Committee Briefs: Dec. 4, 2023
ERCOT stakeholders have endorsed the grid operator’s proposed ancillary service methodology for 2024, but only after extracting a commitment from staff to bring the proposal back for further review.

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