In this section

Related Links

Day-Ahead Ancillary Services ARD Offer Data

This report shows Day-Ahead Ancillary Services Asset-Related Demand (ARD) offer data received by the ISO from participants in the Day-Ahead Market. This report is published monthly on the first day of the fourth month following the operating month, per the FERC-ordered lag period. It includes hourly data for each day of the month.
 

 
Day-Ahead Ancillary Services ARD Offer Data
Description Timestamp Download
December 31, 2025 04/01/2026 12:08 PM EDT CSV
December 25, 2025 04/01/2026 12:07 PM EDT CSV
December 21, 2025 04/01/2026 12:07 PM EDT CSV
December 29, 2025 04/01/2026 12:08 PM EDT CSV
December 18, 2025 04/01/2026 12:08 PM EDT CSV
December 22, 2025 04/01/2026 12:08 PM EDT CSV
December 26, 2025 04/01/2026 12:08 PM EDT CSV
December 16, 2025 04/01/2026 12:08 PM EDT CSV
December 30, 2025 04/01/2026 12:08 PM EDT CSV
December 24, 2025 04/01/2026 12:08 PM EDT CSV
December 20, 2025 04/01/2026 12:08 PM EDT CSV
December 28, 2025 04/01/2026 12:08 PM EDT CSV
December 27, 2025 04/01/2026 12:08 PM EDT CSV
December 23, 2025 04/01/2026 12:08 PM EDT CSV
December 19, 2025 04/01/2026 12:08 PM EDT CSV