On September 14, 2026, FERC approved changes to ISO New England Inc.’s (ISO-NE) Day-Ahead Ancillary Services (DA A/S) market to reduce costs and improve efficiency. The market incurred more than $900 million in costs during its first year, and ISO-NE estimates the revisions will save approximately $23 million annually. FERC’s approval of ISO-NE’s proposal will adjust how ISO-NE forecasts next-day energy needs and set a new floor on the price at …
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