Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Study of Peak Load Demand Estimation Methodology by Pearson Correlation Analysis with Macro-economic Indices and Power Generation Considering Power Supply Interruption

  • Song, Jiyoung (Korea Electric Power Corporation (KEPCO) Research Institute) ;
  • Lee, Jaegul (Korea Electric Power Corporation (KEPCO) Research Institute) ;
  • Kim, Taekyun (Korea Electric Power Corporation (KEPCO) Research Institute) ;
  • Yoon, Yongbeum (Korea Electric Power Corporation (KEPCO) Research Institute)
  • Received : 2016.10.27
  • Accepted : 2017.04.12
  • Published : 2017.07.01
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Abstract

Since the late 2000s, there has been growing preparation in South Korea for a sudden reunification of South and North Korea. Particularly in the power industry field, thorough preparations for the construction of a power infrastructure after reunification are necessary. The first step is to estimate the peak load demand. In this paper, we suggest a new peak demand estimation methodology by integrating existing correlation analysis methods between economic indicators and power generation quantities with a power supply interruption model in consideration of power consumption patterns. Through this, the potential peak demand and actual peak demand of the Nation, which experiences power supply interruption can be estimated. For case studies on North Korea after reunification, the potential peak demand in 2015 was estimated at 5,189 MW, while the actual peak demand within the same year was recorded as 2,461 MW. The estimated potential peak demand can be utilized as an important factor when planning the construction of power system facilities in preparation for reunification.

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