Ancillary Services

Potomac Economics
ERCOT ESRs, Solar Production Lessen AS Costs

Energy storage resources and solar capacity helped reduce ancillary services costs and tight system conditions in the ERCOT market during 2024, according to a recent market report.

© RTO Insider 
PJM MIC Briefs: June 2, 2025

The PJM Market Implementation Committee discussed a proposal to allow demand response resources to participate in the regulation market when there are energy injections at the same point of interconnection to the distribution grid.

Power Advisory
Operating Reserve Prices Surge in Ontario

The opening of Ontario’s nodal market has been marked by real-time volatility and unusually high operating reserve prices.

ERCOT
ERCOT’s TAC Extends Duration of Ancillary Services

ERCOT stakeholders advanced a protocol change that provides longer-duration ancillary services and state-of-charge parameters, among several other voting items, during their last TAC meeting.

© RTO Insider LLC
Power System’s Shifting Direction Highlighted at Energy Future Forum
President Donald Trump’s policies and the growth in demand from data centers and other new customers have changed the trajectory of the power system, speakers said at the Energy Future Forum.
© RTO Insider 
PJM MIC Briefs: May 7, 2025
PJM’s Market Implementation Committee discussed a proposal to revise its governing documents to allow DR resources to participate in the regulation market when there may be energy injected at the customer’s point of interconnection
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.
© RTO Insider 
PJM MRC/MC Briefs: April 23, 2025
The PJM Markets and Reliability Committee endorsed a proposal to rework how resources are compensated for providing black start service the RTO says will provide more predictable revenues for participating market sellers.
PJM
PJM MRC/MC Preview: April 23, 2025
The committees are expected to vote on manual revisions and hear a proposal to rework how resources providing black start service are compensated.
© RTO Insider 
GCPA Hears Different Tales on Texas Load Growth from 2 CEOs
Two power industry CEOs at the Gulf Coast Power Association’s spring conference offered two different takes on ERCOT load growth over the rest of the decade — and how the sector should deal with a potential doubling of peak demand by 2031.

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