Changes in energy consumption according to building use type under COVID-19 pandemic in South Korea

Kang, Hyuna; An, Jongbaek; Kim, Hakpyeong; Ji, Changyoon; Hong, Taehoon; Lee, Seunghye

doi:10.1016/j.rser.2021.111294

Cited by 103 publications

(54 citation statements)

References 47 publications

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“…This result might seem rather low compared to the increase rate presented in previous studies [8,[14][15][16]. However, unlike other countries, Korea has responded to the spread of COVID-19 through social distancing rather than lock-down [37]. Therefore, the increase in household electricity consumption would be relatively small as Koreans could move more freely during the COVID-19 pandemic than people from other countries.…”

Section: Discussionmentioning

confidence: 64%

“…Therefore, the increase in household electricity consumption would be relatively small as Koreans could move more freely during the COVID-19 pandemic than people from other countries. Furthermore, whereas previous studies showed a large percentage of change by estimated in specific industries, regions, and national sectors [8,[14][15][16][37][38][39], this study estimated the COVID-19 impact on the hourly electricity usage of each household during the social distancing period.…”

Section: Discussionmentioning

confidence: 89%

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Empirical Analysis of the Impact of COVID-19 Social Distancing on Residential Electricity Consumption Based on Demographic Characteristics and Load Shape

et al. 2021

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Since January 2020, the COVID-19 pandemic has been impacting various aspects of people’s daily lives and the economy. The first case of COVID-19 in South Korea was identified on 20 January 2020. The Korean government implemented the first social distancing measures in the first week of March 2020. As a result, energy consumption in the industrial, commercial and educational sectors decreased. On the other hand, residential energy consumption increased as telecommuting work and remote online classes were encouraged. However, the impact of social distancing on residential energy consumption in Korea has not been systematically analyzed. This study attempts to analyze the impact of social distancing implemented as a result of COVID-19 on residential energy consumption with time-varying reproduction numbers of COVID-19. A two-way fixed effect model and demographic characteristics are used to account for the heterogeneity. The changes in household energy consumption by load shape group are also analyzed with the household energy consumption model. There some are key results of COVID-19 impact on household energy consumption. Based on the hourly smart meter data, an average increase of 0.3% in the hourly average energy consumption is caused by a unit increase in the time-varying reproduction number of COVID-19. For each income, mid-income groups show less impact on energy consumption compared to both low-income and high-income groups. In each family member, as the number of family members increases, the change in electricity consumption affected by social distancing tends to decrease. For area groups, large area consumers increase household energy consumption more than other area groups. Lastly, The COVID-19 impact on each load shape is influenced by their energy consumption patterns.

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Section: Discussionmentioning

confidence: 64%

Section: Discussionmentioning

confidence: 89%

Empirical Analysis of the Impact of COVID-19 Social Distancing on Residential Electricity Consumption Based on Demographic Characteristics and Load Shape

et al. 2021

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“…A study carried out by Samuel et al in 2021 in South African primary and secondary schools, with and without accommodation service, reports a decrease in energy use of 30% to 40% equivalent to 2-20 kWh per student per month [31]. Additionally, in some higher education institutions, the decrease in consumption has made it possible to estimate the reduction of the carbon footprint due to the decrease in mobility, the decrease in the generation of waste and the low energy consumption after the closure of the university buildings, which decreased by more than 10% in some places in America, Europe and Asia [32,33], as well as the decrease in the use of air conditioning systems as in the United Kingdom for example at the University of Bournemouth [26], whose carbon footprint was reduced by approximately 30%. On the other hand, in particular cases, such as the University of Almeria in Spain, energy consumption was reduced by 1.3 million kWh in 2020, with the largest decrease in library buildings and the smallest decrease in research buildings [25].…”

Section: Introductionmentioning

confidence: 99%

COVID-19 Pandemic Effect on Energy Consumption in State Universities: Michoacan, Mexico Case Study

et al. 2021

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The COVID-19 pandemic has generated multiple impacts. In particular, in the educational sector, the virtual class modality generated changes in the patterns of energy consumption at the institutional level; the identification of this consumption will allow us to reflect on new energy saving and efficient use strategies. In this research, we present a case study of the effects of the COVID-19 pandemic on electricity consumption in 13 state universities in Michoacán, Mexico. Electric energy consumption has been evaluated before and during the presence of the COVID-19 between 2019 and 2020. The comparative analysis estimated the reduction in energy consumption and its economic and environmental impact. The results show a considerable decrease in electricity consumption, generating an average saving of 76.24 MWh/month, which translates into an annual emission reduction from 2019 to 2020 of approximately 497 TnCO2e, and in economic terms of $8,882.25 USD each month. In general, it was identified that consumption patterns in the use of machinery and computer equipment for administrative activities were drastically reduced. If education continues in virtual or hybrid modes, energy consumption schemes will continue to decline and institutions could move towards resilient, affordable, and sustainable models of energy production and consumption.

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“…Homes have suddenly become places for living, sleeping, cooking, working, studying, and keeping fit, with the possibility (and need) of using appliances at any time. Thus, total energy consumption has changed, affecting energy consumption at a large scale such as in districts or municipalities [23][24][25][26], or counties [27,28], and at a small scale (e.g., homes), as also proven by questionnaire surveys [29] and monitoring [30].…”

Section: Introductionmentioning

confidence: 99%

“…This work provides an in-depth analysis of building heating system operations, which is useful to understand how different occupancy scenarios could foster the reduction of general consumption. In order to estimate, in detail, the differences in energy consumption (thus considering the economic effects of appliance schedule), an overall point of view is necessary, in relation to the different building sectors (non-residential and residential), and obtaining the total consumptions before and after the pandemic, as conducted by other authors in [27,51].…”

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confidence: 99%

Energy and Environmental Effects of Human Habits in Residential Buildings Due to COVID-19 Outbreak Scenarios in a Dwelling near Rome

2021

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The COVID-19 pandemic and resulting containment measures have shown that energy consumption in buildings is linked to several factors, such as living habits, occupancy profiles, and heating ventilation and air conditioning (HVAC) systems. This paper addresses the influences of such factors on energy consumption in a residential building, analysing different scenarios (pre-COVID-19, lockdown, post-COVID-19), in terms of discomfort and energy needs, through the new hourly calculation method (UNI EN ISO 52016). Energy and environmental effects were studied in a real case study near Rome by varying occupancy profiles, lighting and appliance schedules, and HVAC systems. Results show that, during the heating period, the lockdown scenario led to the lowest hours of discomfort (−29% on average), but the highest in the cooling period (up to +154%, +28% on average). The same scenario led to reasonable reduction of energy needs for heating (−14%), but also highlighted a significant increase (+60%) for the cooling period. This study underlines how the pandemic has influenced the energy and environmental behaviours in buildings. Moreover, the new hourly calculation method points out the importance of analysing HVAC systems, in terms of hours of discomfort, which could provide results that are more reliable.

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Changes in energy consumption according to building use type under COVID-19 pandemic in South Korea

Cited by 103 publications

References 47 publications

Empirical Analysis of the Impact of COVID-19 Social Distancing on Residential Electricity Consumption Based on Demographic Characteristics and Load Shape

Empirical Analysis of the Impact of COVID-19 Social Distancing on Residential Electricity Consumption Based on Demographic Characteristics and Load Shape

COVID-19 Pandemic Effect on Energy Consumption in State Universities: Michoacan, Mexico Case Study

Energy and Environmental Effects of Human Habits in Residential Buildings Due to COVID-19 Outbreak Scenarios in a Dwelling near Rome

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