Individual Ancillary Service Bids 2003 Archive

Each ERCOT market participant must provide ancillary services based on historical load. Market participants may provide the ancillary services themselves or through ERCOT's centralized auction. In this section, you may find historical information on individual ancillary service (AS) bids for March 2003 and before. See Individual AS Bid Information for more current data.

• 2003
• 2002

• 2003-03 Individual Ancillary Service Bid Information
  (07/26/2004, .csv, 5.3 MB)
• 2003-02 Individual Ancillary Service Bid Information
  (07/26/2004, .csv, 3.8 MB)
• 2003-01 Individual Ancillary Service Bid Information
  (07/26/2004, .csv, 4.2 MB)