Hourly Load Data Archives

Find historical information on hourly loads by ERCOT control area for the years 1995-2006. Data is not available for the years 2001-2002.

Information may vary from report to report. Since April 2003, ERCOT reported on load data in its eight weather zones; prior to April 2003, ERCOT was divided into 11 control areas, and the load data was reported accordingly.