ERCOT (Electric Reliability Council of Texas), which operates the third grid in the US, has a page with realtime load data: http://www.ercot.com/content/cdr/ht

ERCOT (Electric Reliability Council of Texas), which operates the third grid in the US, has a page with realtime load data: http://www.ercot.com/content/cdr/html/real_time_system_conditions.html http://www.ercot.com/content/cdr/html/real_time_system_condi...