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April 17, 2026
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ISO-NE Details Proposals to Cut Costs of Day-ahead Ancillary Services
Salem Harbor Power Station, a gas-fired generating plant in Salem, Mass.
Salem Harbor Power Station, a gas-fired generating plant in Salem, Mass. | Fletcher, CC BY-SA 4.0, via Wikimedia Commons
Apr 16, 2026 | Jon Lamson
ISO-NE detailed proposed changes to its day-ahead ancillary services market to address higher-than-expected costs.
Ancillary ServicesNEPOOL Markets Committee
KeywordsDay-Ahead Ancillary Services Initiative (DASI)day-ahead ancillary services marketInternal Market Monitor (IMM)ISO New England (ISO-NE)NEPOOL Markets CommitteeNew England Power Pool (NEPOOL)
Jon Lamson
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