Internal Market Monitor (IMM)
Fletcher, CC BY-SA 4.0, via Wikimedia Commons
ISO-NE detailed proposed changes to its day-ahead ancillary services market to address higher-than-expected costs.
Casey Monaghan, CC-BY-SA 2.0, via Wikimedia
Vistra’s acquisition of Cogentrix Public Utilities would increase market power and could undermine competition in ISO-NE and PJM, market monitors for the RTOs argued.
ISO-NE
With costs associated with ISO-NE’s new day-ahead ancillary services market far exceeding expectations, the RTO is working to fast-track changes to improve the efficiency of the market in time for next winter.
ISO-NE
ISO-NE’s new day-ahead ancillary services market added about $258 million in incremental costs between March and August, equal to 7.6% of total energy market costs.
ISO-NE
The New England wholesale electricity markets performed competitively in 2024, while decreased imports and higher emissions compliance rates increased overall market costs, the ISO-NE Internal Market Monitor told the NEPOOL Participants Committee.
ISO-NE
ISO-NE provided updates on its proposals for generator retirements, market power mitigation, and resource qualification and reactivation.
Shutterstock
The Internal Market Monitor weighed in on ISO-NE's proposed capacity market overhaul, expressing support for increased flexibility around resource retirement notifications and recommending the elimination of the pivotal supplier test.
Calpine
ISO-NE continued work with stakeholders on its capacity auction reform project at the NEPOOL Markets Committee meeting, previewing 2025 discussions on the transition to a prompt capacity auction.
© RTO Insider LLC
ISO-NE’s Capacity Auction Reforms project will include an evaluation of additional resource accreditation modeling enhancements, the RTO told the NEPOOL Markets Committee.
ISO-NE
ISO-NE presented the initial scope of its work to coordinate resource capacity accreditation improvements with proposed capacity market timing changes at the NEPOOL Markets Committee summer meeting.
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