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Analysis of the Electricity Supply Contracts for Medium-Voltage Apartments in the Republic of Korea

Author

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  • Dong Sik Kim

    (Department of Electronics Engineering, Hankuk University of Foreign Studies, Gyeonggi-do 17035, Korea)

  • Wookyung Jung

    (Department of Electronics Engineering, Hankuk University of Foreign Studies, Gyeonggi-do 17035, Korea)

  • Beom Jin Chung

    (Research Center for Electrical and Information Technology, Seoul National University of Science & Technology, Seoul 01811, Korea)

Abstract

For apartment complexes receiving medium-voltage electrical energies, the apartments can choose an electricity charging method between the single and general contracts in the Republic of Korea. In the single contract, a residential high-voltage rate is applied to the total electrical energy consumptions of households and common areas. On the other hand, in the general contract, different rate plans are applied to the electrical energy consumptions of households and their common areas, where a generic high-voltage rate plan is applied to the common consumption. Hence, depending on the amounts and composition of the consumptions, both contracts have their own strengths and weaknesses in terms of the total electricity charge. The management office of an apartment complex can select its preferred contract considering the amount and composition of the power consumptions on an annual basis. In this paper, we first formulate a model for the contracts and analyze their properties based on Monte-Carlo simulations. We then observe the contract properties through actual metering data from 30 apartment complexes in Korea. From the analysis of this paper, we can select appropriate contract for a given apartment complex and have guidelines for saving electricity charges. The greater the consumption of the electrical energy and the common area portion, the more advantageous the general contract is in terms of reducing electricity charges.

Suggested Citation

  • Dong Sik Kim & Wookyung Jung & Beom Jin Chung, 2021. "Analysis of the Electricity Supply Contracts for Medium-Voltage Apartments in the Republic of Korea," Energies, MDPI, vol. 14(2), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:2:p:293-:d:476567
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    References listed on IDEAS

    as
    1. Dong Sik Kim & Beom Jin Chung & Young Mo Chung, 2020. "Analysis of AMI Communication Methods in Various Field Environments," Energies, MDPI, vol. 13(19), pages 1-30, October.
    2. Yoo, Seung-Hoon & Lee, Joo Suk & Kwak, Seung-Jun, 2007. "Estimation of residential electricity demand function in Seoul by correction for sample selection bias," Energy Policy, Elsevier, vol. 35(11), pages 5702-5707, November.
    3. Dong Sik Kim & Beom Jin Chung & Young Mo Chung, 2019. "Statistical Learning for Service Quality Estimation in Broadband PLC AMI," Energies, MDPI, vol. 12(4), pages 1-20, February.
    4. Min-Jeong Kim, 2020. "Determining the Relationship between Residential Electricity Consumption and Factors: Case of Seoul," Sustainability, MDPI, vol. 12(20), pages 1-14, October.
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    1. Young Mo Chung & Beom Jin Chung & Dong Sik Kim, 2024. "Electricity Bill Savings from Reduced Household Energy Consumption in Apartment Complexes," Energies, MDPI, vol. 17(21), pages 1-19, November.
    2. Young Mo Chung & Beom Jin Chung & Dong Sik Kim, 2023. "Analysis of Residential Electricity Usage Characteristics and the Effects of Shifting Home Appliance Usage Time under a Time-of-Use Rate Plan," Energies, MDPI, vol. 16(18), pages 1-23, September.

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