PV and building energy efficiency measures impact on the grid in a Middle East case study

2016 ◽  
Author(s):  
P. Lazzeroni ◽  
S. Olivero ◽  
F. Stirano ◽  
M. Repetto ◽  
C. Micono ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Middle East ◽  
Building Energy ◽  
Building Energy Efficiency ◽  
Energy Efficiency Measures ◽  
Efficiency Measures

A Study on Building Energy Efficiency and Low-Carbon Building

2012 ◽  
Vol 512-515 ◽  
pp. 2848-2853
Author(s):  
Wang Li
Keyword(s):  
Energy Efficiency ◽  
Carbon Emissions ◽  
Building Energy ◽  
Building Construction ◽  
Building Energy Efficiency ◽  
Low Carbon ◽  
Carbon Reduction ◽  
Energy Efficiency Measures ◽  
Efficiency Measures ◽  
Resource Shortage

Resource shortage and people’s concern about carbon emissions will greatly influence building energy efficiency. Building energy efficiency is the basis for achieving carbon reduction and it should develop into low-carbon building. After introducing the concept of low-carbon buildings, this paper analyzes the important role technology plays in low-carbon building development and proposes several energy-efficiency measures concerning new building construction, old building transformation and low carbon lifestyle. The paper aims to be of help in promoting the development of low-carbon buildings.

scholarly journals Application of Urban Scale Energy Modelling and Multi-Objective Optimization Techniques for Building Energy Renovation at District Scale

2021 ◽  
Vol 13 (20) ◽  
pp. 11554
Author(s):  
Fahad Haneef ◽  
Giovanni Pernigotto ◽  
Andrea Gasparella ◽  
Jérôme Henri Kämpf
Keyword(s):  
Energy Efficiency ◽  
Building Energy ◽  
Energy Performance ◽  
Building Envelope ◽  
Optimization Techniques ◽  
Multi Objective Optimization ◽  
Building Stock ◽  
Energy Efficiency Measures ◽  
Multi Objective ◽  
Efficiency Measures

Nearly-zero energy buildings are now a standard for new constructions. However, the real challenge for a decarbonized society relies in the renovation of the existing building stock, selecting energy efficiency measures considering not only the energy performance but also the economic and sustainability ones. Even if the literature is full of examples coupling building energy simulation with multi-objective optimization for the identification of the best measures, the adoption of such approaches is still limited for district and urban scale simulation, often because of lack of complete data inputs and high computational requirements. In this research, a new methodology is proposed, combining the detailed geometric characterization of urban simulation tools with the simplification provided by “building archetype” modeling, in order to ensure the development of robust models for the multi-objective optimization of retrofit interventions at district scale. Using CitySim as an urban scale energy modeling tool, a residential district built in the 1990s in Bolzano, Italy, was studied. Different sets of renovation measures for the building envelope and three objectives —i.e., energy, economic and sustainability performances, were compared. Despite energy savings from 29 to 46%, energy efficiency measures applied just to the building envelope were found insufficient to meet the carbon neutrality goals without interventions to the system, in particular considering mechanical ventilation with heat recovery. Furthermore, public subsidization has been revealed to be necessary, since none of the proposed measures is able to pay back the initial investment for this case study.

scholarly journals Transition towards Energy Efficiency: Developing the Nigerian Building Energy Efficiency Code

2018 ◽  
Vol 10 (8) ◽  
pp. 2620 ◽  
Author(s):  
Susanne Geissler ◽  
Doris Österreicher ◽  
Ene Macharm
Keyword(s):  
Energy Efficiency ◽  
Adaptive Design ◽  
Noise Pollution ◽  
Building Energy ◽  
Legal Framework ◽  
Building Energy Efficiency ◽  
To Come ◽  
Energy Efficiency Policies ◽  
Objective Being

In Nigeria, there is an estimated deficit of 17 million housing units. Power supply is insufficient, and the electricity supply for about 60 million Nigerians relies on private generators, causing noise, pollution, and high expenditures for mainly imported fuel. Altogether, current challenges clearly demonstrate the need for effective energy efficiency policies targeting also the building sector. The Nigerian Energy Support Program began in 2013, among others, with the objective being to support the Nigerian Government in developing the Nigerian Building Energy Efficiency Code. This paper presents two preparatory activities carried out in order to come up with suggestions for a legal framework well suited for the situation on the ground: the Case Study Building Analysis carried out in collaboration with a Nigerian developer and the Nigerian Building Energy Efficiency Guideline, elaborated together with stakeholders. The results of preparatory activities pointed out that the code must put emphasis on climate adaptive design and must define requirements and procedures in a clear and simple way to allow for effective enforcement. Only then can energy-efficient mass housing be feasible in Nigeria. The paper concludes with a description of the Nigerian Building Energy Efficiency Code (BEEC), officially approved and launched by the Federal Minister of Power, Works and Housing on 29 August 2017.

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