Transmission Loading Relief (TLR) and hour-ahead ATC

Santiago Grijalva, Peter W Sauer

Research output: Chapter in Book/Report/Conference proceedingConference contribution


In open-access electricity markets the reservations of transmission services are based on data resulting from the off-line computation of Available Transfer Capability (ATC). When ATC data is inaccurate or misused, security violations can emerge and cause operators and operations planners to invoke Transmission Loading Relief (TLR) procedures. This paper illustrates the relationship between TLR and ATC, and presents possible approaches to reducing the need to invoke TLR procedures while improving the utilization of the transmission system.

Original languageEnglish (US)
Title of host publicationProceedings of the Hawaii International Conference on System Sciences
Number of pages1
ISBN (Print)0769504930
StatePublished - 2000
EventThe 33rd Annual Hawaii International Conference on System Siences (HICSS-33) - Maui, USA
Duration: Jan 4 2000Jan 7 2000


OtherThe 33rd Annual Hawaii International Conference on System Siences (HICSS-33)
CityMaui, USA

ASJC Scopus subject areas

  • Software
  • Industrial and Manufacturing Engineering


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