A Comprehensive Comparison of Current Operating Reserve Methodologies

Ibrahim Krad, Wenzhong Gao, Eduardo Ibanez

Research output: Contribution to conferencePaper

6 Scopus Citations


Electric power systems are currently experiencing a paradigm shift from a traditionally static system to a system that is becoming increasingly more dynamic and variable. Emerging technologies are forcing power system operators to adapt to their performance characteristics. These technologies, such as distributed generation and energy storage systems, have changed the traditional idea of a distribution system with power flowing in one direction into a distribution system with bidirectional flows. Variable generation, in the form of wind and solar generation, also increases the variability and uncertainty in the system. As such, power system operators are revisiting the ways in which they treat this evolving power system, namely by modifying their operating reserve methodologies. This paper intends to show an in-depth analysis on different operating reserve methodologies and investigate their impacts on power system reliability and economic efficiency.
Original languageAmerican English
Number of pages5
StatePublished - 2016
Event2016 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) - Dallas, Texas
Duration: 3 May 20165 May 2016


Conference2016 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)
CityDallas, Texas

NREL Publication Number

  • NREL/CP-5D00-65034


  • ancillary services
  • operating reserves
  • security-constrained economic dispatch (SCED)
  • security-constrained unit commitment (SCUC)


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