Estimation of the inconvenience cost of a rolling blackout in the residential sector: The case of South Korea

Kayoung Kim, Heekoo Nam and Youngsang Cho

Energy Policy, 2015, vol. 76, issue C, 76-86

Abstract: South Korea is experiencing a serious imbalance in electricity supply and demand, which caused a blackout in 2011. The Korean government has planned to perform a rolling blackout to prevent large-scale blackouts when the electricity supply reserve margin reaches less than 1million kW. This study attempts to estimate the inconvenience cost of household customers from a rolling blackout by using survey data. To this end, we apply a contingent valuation method (CVM) to measure their willingness-to-pay (WTP) in order to avoid a rolling blackout, i.e. the suspension of electricity supply. In this study, we estimate the inconvenience costs stemming from both an unannounced and an announced rolling blackout. As a result, we find that the inconvenience cost of a sudden rolling blackout is estimated at 3900.67KRW (3.56USD) per month per household, while that of an announced rolling blackout stands at 3102.95KRW (2.83USD). This difference in costs shows that people place value in receiving prior notice of a blackout, and that inconvenience costs of between 166.0 billion KRW (151.6million USD) and 174.3billion KRW (159.2million USD) per year can be reduced nationwide by giving households advance notice of a planned rolling blackout.

Keywords: Contingent valuation method (CVM); Rolling blackout; Inconvenience cost (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (24)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:76:y:2015:i:c:p:76-86

DOI: 10.1016/j.enpol.2014.10.020

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