Evaluation of Electricity Consumption of a Residential Flat in Egypt

Nassief, Mofreh Melad

doi:10.11648/j.epes.20140302.14

Cited by 8 publications

(4 citation statements)

References 4 publications

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“…These results, at first sight, seem to be correlated with power emissions which dominate the use of fossil fuels in Egypt (Abdallah et al, 2020 [66]). These power emissions are due to the country's residential electricity consumption (Attia et al, 2012 [49]; Elharidi et al, 2013 [67]; Nassief, 2014 [68]). They also meet the needs of industry.…”

Section: Annual Cycle and Comparison To Inventoriesmentioning

confidence: 99%

Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations

Rey-Pommier

Chevallier

Ciais

et al. 2022

Preprint

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Abstract. Urban areas and industrial facilities, which concentrate most human activity and industrial production, are major sources of air pollutants, with serious implications for human health and global climate. For most of these pollutants, emission inventories are often highly uncertain, especially in developing countries. Spaceborne observations from the TROPOMI instrument, onboard the Sentinel-5 Precursor satellite, are used to measure nitrogen dioxide (NO2) slant column densities with a high spatial resolution. Here, we use two years of TROPOMI retrievals to map nitrogen oxides (NOx = NO + NO2) emissions in Egypt with a top-down model based on the continuity equation in steady state. Emissions are expressed as the sum of a transport term and a sink term representing the three-body reaction comprising NO2 and OH. This sink term requires information on the lifetime of NO2, which is calculated with the use of CAMS near-real-time temperature and hydroxyl radical (OH) concentration fields. The applicability of the OH concentration field is evaluated by comparing the lifetime it provides with the lifetime inferred from the fitting of NO2 line density profiles with an exponentially modified Gaussian function. This comparison, which is conducted for 39 samples of NO2 patterns above the city of Riyadh, provides information on the reliability of the CAMS near-real-time OH concentration fields; It also provides the location of the most appropriate vertical level to represent typical pollution sources in industrial areas and megacities in the Middle East. In Egypt, total derived emissions of NOx are dominated by the sink term. However, they can be locally dominated by wind transport, especially along the Nile where human activities are concentrated. Megacities and industrial regions clearly appear as the largest sources of NOx emissions in the country. Our top-down model produces emissions whose annual variability is consistent with the national electricity consumption. It is also able to detect lower emissions on Fridays, which are inherent to the social norm of the country, and to quantify the drop in emissions due to the COVID-19 pandemic. Overall, our indications of NOx emissions for Egypt are found to be 25.0 % higher than the CAMS-GLOB-ANT_v4.2 inventory, but significantly differ in terms of seasonality.

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Section: Annual Cycle and Comparison To Inventoriesmentioning

confidence: 99%

Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations

Rey-Pommier

Chevallier

Ciais

et al. 2022

Preprint

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“…In 2014, Nassief [30] evaluated the total electricity consumption of a flat in Cairo, Alexandria and Aswan. The study focus was investi- gating the effect of varying HVAC systems and envelope.…”

Section: Egyptian Energy Efficient Lighting Policiesmentioning

confidence: 99%

Twenty-year tracking of lighting savings and power density in the residential sector

Attia

Hamdy

Ezzeldin

2017

Energy and Buildings

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a b s t r a c tLighting energy consumption represents a significant percentage of total energy consumption in residential building sector. During the last 20 years, advanced energy-efficient lighting fixtures have been introduced worldwide to conserve the energy consumption in residences. In the Middle East and North Africa (MENA) region, very few studies have been conducted to evaluate the association between the introduced lighting fixtures and the resulted energy savings using valid measurements and verification techniques. This study evaluates the techno-economic impact of replacing new energy efficient lighting in residences in Egypt (a representative MENA region country). A quantitative analysis is applied by tracking the utility bills of 150 residential apartments in Cairo. The average measured power consumption before (1993-1998) and after (2009-2014) installation energy efficient lighting fixtures is analyzed. A building performance simulation model is developed to back the findings. The findings indicate a significant disparity between the estimated savings based on simulation and the real measured savings due to penetration, rebound effect and low quality lamps. Moreover, the findings present an example of quantified benefits of energy efficient lighting, which is very important to inform the decision making of public policy makers, investors and building occupants.

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“…In Egypt, the different whether regions were studied on residential flat in Cairo, Alexandria and Aswan [19]. The evaluation criteria of NZEB was discussed according to the European regulations and based on the annual balance of energy [20].…”

Section: Introductionmentioning

confidence: 99%

Implementing the Net Zero Energy Building “nZEB” Strategies on an Existing Administration Building in Egypt

El-Sherif

Mohamed

Fatouh

2020

Engineering Research Journal

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According to sustainable development strategy, the Egyptian government objective is reducing the energy consumption and greenhouse gas emissions by 14% and 10% respectively by 2030. So, the national trend and the target of this phase is reducing the energy consumption in the buildings sector by applying the Net Zero Energy Building (NZEB) strategies to the new buildings and refurbishment the existing buildings to reduce the demand and apply on-site generation to reach NZEB target. This study starts with the analysis of the current situation of an exemplary existing administrative building in Cairo, Egypt. Consequently, the economic feasibility of converting exemplary existing administrative to be nearly and Net ZEB is analyzed. Generally speaking, the guideline to achieve this has three steps; (1) reducing the energy consumption by suggesting retrofitting strategies, (2) implementing energy efficiency technologies, (3) installing energy generation systems. OpenStudio as a cross-platform collection of software tools used to build the model where it is simulated by EnergyPlus as an energy modeling engine. The energy consumption is validated by comparing it with the real energy consumption of the existing building.

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Evaluation of Electricity Consumption of a Residential Flat in Egypt

Cited by 8 publications

References 4 publications

Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations

Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations

Twenty-year tracking of lighting savings and power density in the residential sector

Implementing the Net Zero Energy Building “nZEB” Strategies on an Existing Administration Building in Egypt

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Evaluation of Electricity Consumption of a Residential Flat in Egypt

Cited by 8 publications

References 4 publications

Quantifying NO&lt;sub&gt;x&lt;/sub&gt; emissions in Egypt using TROPOMI observations

Quantifying NO&lt;sub&gt;x&lt;/sub&gt; emissions in Egypt using TROPOMI observations

Twenty-year tracking of lighting savings and power density in the residential sector

Implementing the Net Zero Energy Building “nZEB” Strategies on an Existing Administration Building in Egypt

Contact Info

Product

Resources

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Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations

Quantifying NO<sub>x</sub> emissions in Egypt using TROPOMI observations