Impact of power outages on households in developing countries: Evidence from Ethiopia

Meles, Tensay Hadush

doi:10.1016/j.eneco.2020.104882

Cited by 61 publications

(30 citation statements)

References 33 publications

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“…In highly populated areas, including many cities in developing countries, loss of water supply may have attendant negative consequences for public health, including high risk for disease outbreaks such as cholera. Communication/leisure activities (for example, watching television) are also disrupted by outages, complicating access to information and home-based leisure [5].…”

Section: Impact On Access To Social Servicesmentioning

confidence: 99%

“…Power outages are also associated with increased crime/security concerns [5,33]. In 1977, a blackout in the city of New York, which lasted for 25 h, set off a "crime rampage" with shops being looted, properties vandalized, and stores set on fire.…”

Section: Impact On Safety and Securitymentioning

confidence: 99%

“…Frequent power outages are also said to be responsible for direct damage to household electrical appliances including refrigerators, television sets, and other appliances [5,22]. Moreover, the lack of reliable electricity also renders electrical appliances redundant and unable to fulfill their intended purpose.…”

Section: Other Impacts Of Outages In Householdsmentioning

confidence: 99%

“…Due to recurrent failures in the electricity system, often no electricity flows through the wires for several hours in a day. The outages impact electricity users (industries, businesses, households) by limiting electricity utilization and the benefits that should accrue from having an electricity connection [1,5]. In the future, the impact of loss of electricity service could even be greater as people become more dependent on an unreliable service.…”

Section: Introductionmentioning

confidence: 99%

“…Despite the prevalent state of electricity unreliability in many African countries, recent efforts (research and other interventions) about electrification in Africa largely focus on increasing electricity connections. The subject of electricity supply (un)reliability receives limited attention [5]. Additionally, the few studies about electricity unreliability/outages in Africa addressed the impacts on business firms and the economy [7][8][9][10], while electricity outages in households were rarely investigated.…”

Section: Introductionmentioning

confidence: 99%

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Impacts of Electricity Outages in Urban Households in Developing Countries: A Case of Accra, Ghana

2021

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Many developing countries in Africa face a “double tragedy” when it comes to electrification. Electricity access rates are low, while those who have access to electricity face frequent outages. There are ongoing efforts aimed at increasing access to electricity on the continent. However, the need to improve the reliability of electricity supply receives limited attention. Unreliable electricity impacts users by limiting electricity utilization and the benefits that should accrue from having an electricity connection. Using data from 496 household survey questionnaires, this study examines the impacts of electricity outages in urban households in Accra, Ghana. The study applies correlation and regression analyses to identify which household characteristics are associated with or predict households reporting outage impacts. Outages were found to impact household safety/security, access to food, and access to social services and were found to cause appliance damage as well. Factors that are significantly correlated with reporting certain outage impacts include respondent’s annual income and employment status, frequency of electricity outages, and household size. Significant predictors of reporting outage impacts are socioeconomic disadvantage, high exposure to outages, and living in a large family setting. The study’s findings underscore the need for interventions to eliminate, or at least minimize, electricity supply interruptions in developing countries if sustainable social and economic development is to be achieved.

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Section: Impact On Access To Social Servicesmentioning

confidence: 99%

Section: Impact On Safety and Securitymentioning

confidence: 99%

Section: Other Impacts Of Outages In Householdsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impacts of Electricity Outages in Urban Households in Developing Countries: A Case of Accra, Ghana

2021

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Accelerating the charging process in a shell and dual coil ice storage unit equipped with connecting plates

Afsharpanah

Pakzad

Ajarostaghi

et al. 2022

Intl J of Energy Research

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Summary Frequent power outage in developing countries has created many problems for the people living in these regions, one of the most important of which is food spoilage due to the rise of refrigerator temperature. Ice storage systems are one of the promising techniques for handling this difficulty. Computational simulations are done here to influence the effects of dimensionless parameters on the charging rate of a shell and dual coil ice storage unit equipped with connecting plates as heat transfer enhancers. The ice storage unit is intended to be used as a backup cooling source for refrigerators in these regions. The studied parameters include the helical pitch length/storage height ratio (α1), the helical coil distance/storage diameter ratio (α2), the helical coil diameter/storage diameter ratio (α3), the connecting plate length/storage height ratio (α4), the connecting plate thickness/tube diameter ratio (α5), the modified Stefan number of the refrigerant flow (Ste*), and refrigerant flow Reynolds number (Re). The results suggest that the geometrical optimization of the proposed ice storage with α1, α2, and α3 parameters can improve the charging process up to 16.69%, 7.25%, and 18.84%, respectively. Also, the presence of full‐length connecting plates can enhance the charging rate by up to 12%. While the influence of the Ste* on the charging rate is considerably high (25.56%), the Re does not exhibit a noticeable effect (0.95%). Moreover, the influence of natural convection on the process was considered, however, it was found that it does not have a considerable effect on the ice formation.

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Detecting the Linear and Non-linear Causal Links for Disturbances in the Power Grid

Eikeland

Bianchi

Holmstrand³

et al. 2022

Communications in Computer and Information Science

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Unscheduled power disturbances cause severe consequences for customers and grid operators. To avoid such events, it is important to identify the causes and localize the sources of the disturbances in the power distribution network. In this work, we focus on a specific power grid in the Arctic region of Northern Norway that experiences an increased frequency of failures of unspecified origin. First, we built a data set by collecting relevant meteorological data and power consumption measurements logged by power-quality meters. Then, we exploited machine-learning techniques to detect disturbances in the power supply and to identify the most significant variables that should be monitored. Specifically, we framed the problem of detecting faults as a supervised classification and used both linear and non-linear classifiers. Linear models achieved the highest classification performances and were able to predict the failures reported with a weighted F1-score of 0.79. The linear models identified the amount of flicker and wind speed of gust as the most significant variables in explaining the power disturbances. Our results could provide valuable information to the distribution system operator for implementing strategies to prevent and mitigate incoming failures.

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Impact of power outages on households in developing countries: Evidence from Ethiopia

Cited by 61 publications

References 33 publications

Impacts of Electricity Outages in Urban Households in Developing Countries: A Case of Accra, Ghana

Impacts of Electricity Outages in Urban Households in Developing Countries: A Case of Accra, Ghana

Accelerating the charging process in a shell and dual coil ice storage unit equipped with connecting plates

Detecting the Linear and Non-linear Causal Links for Disturbances in the Power Grid

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