scholarly journals An AHP Based Approach for Evaluating Renewable Energy Source for Investment Decision

2021 ◽  
Author(s):  
Niwesh Koirala ◽  
Rabin Dhakal ◽  
Sanjaya Pudasaini
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Support Systems ◽  
Investment Decision ◽  
Energy Sources ◽  
Electricity Supply ◽  
Energy Technology ◽  
Policy Makers ◽  
Energy Needs

The percentage of the populationremaining to get connected to electricity has decreasedfrom 35 % to 4.5 % in this decade. However, 1.3 millionout of 29 million Nepal’s population still need to beconnected to an electricity supply. As most of thispopulation lives in Karnali State, exploitation ofrenewable energy needs serious attention in this regionas other energy sources are expensive and beyond reach.Choosing a suitable renewable energy technology that iseconomically feasible and environmentally acceptable isa topic of interest among researchers. Using one of theDecision Support systems helps in making easier choicefor policy makers and government levels. In this case theresearch here-within evaluates among three renewableenergy options, i.e., Micro-hydro, Solar Power and Windpower. The research shows that Microhydro would bebest suited option in case of Jumla.

Utilization of pomegranate waste-peel as a novel substrate for biodiesel production by Bacillus cereus (MF908505)

2020 ◽  
Vol 4 (3) ◽  
pp. 1199-1207
Author(s):  
Amruta P. Kanakdande ◽  
Chandrahasya N. Khobragade ◽  
Rajaram S. Mane
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Bacillus Cereus ◽  
Fossil Fuels ◽  
Biodiesel Production ◽  
Energy Needs

The continuous rising demands and fluctuations in the prices of fossil fuels warrant searching for an alternative renewable energy source to manage the energy needs.

scholarly journals Towards a Renewable Energy Source Cadastre—A Review of Examples from around the World

Energies ◽  
2021 ◽  
Vol 14 (23) ◽  
pp. 8095
Author(s):  
Agnieszka Bieda ◽  
Agnieszka Cienciała
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Spatial Information ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Energy Potential ◽  
The Creation ◽  
Alternative Sources ◽  
Climate Crisis

In the age of the impending climate crisis, and further forecast ecological catastrophes, humankind has begun to think with growing interest about replacing existing energy sources with renewable ones. An increasing number of people have begun to discuss the need to implement registries that collect information about the energy potential of specific parts of the environment we live in. Additionally, the simultaneous registration of installations used for obtaining energy from alternative sources is desirable. In addition to quantitative attributes, such databases should also contain comprehensive spatial information. Since, in the era of globalization, the creation of such databases ought to be standardized, the purpose of this study is to indicate the directions in which the cadastre of renewable energy sources should be developed by: (i) reviewing the solutions of renewable energy sources that have been described in the scientific literature; (ii) analyzing the content of selected geoportals containing data on renewable energy sources. The literature review was preceded by a detailed bio-metric analysis, whereas the content analysis of the geoportals led to the creation of a flow chart containing a proposal for a renewable energy source cadastre, and a ranking of the analyzed portals. Nevertheless, the conceptual work was limited to the solar cadastre only.

scholarly journals GENERALIZED APPROACH FOR FEASIBILITY STUDY OF HYBRID SYSTEMS WITH RENEWABLE ENERGY SOURCES

2018 ◽  
pp. 64-73
Author(s):  
Ivan Bachev ◽  
Boris Demirkov ◽  
Ludmil Stoyanov ◽  
Vladimir Lazarov ◽  
Zahari Zarkov ◽  
...  
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Hybrid System ◽  
Energy Exchange ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Storage Devices ◽  
Wind Generators ◽  
Photovoltaic Generators

The purpose of this work is to assess the energies produced by a hybrid system composed of photovoltaic generators and wind turbines. This study aims to develop a method, which could facilitate the sizing of photovoltaic and wind generators in a given hybrid system. The proposed method could also help with the sizing of storage devices in the hybrid system, which provide energy for the consumer in moments when the primary renewable energy source is lacking or for sizing the energy exchange with the grid.

Research on the Application of Photo-Thermal Solar Energy Technology in Wooden Structure

2013 ◽  
Vol 409-410 ◽  
pp. 664-667
Author(s):  
Zhi Hui Bian ◽  
Tie Cheng Wang ◽  
Shi Yong Zhao ◽  
Su Juan Fu
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Solar Energy ◽  
Social Benefit ◽  
Energy Technology ◽  
Wooden Structure

The paper has an introduction of photo-thermal of solar energy technology in this project. At the same time, it analysis the necessity of carrying forward technique and the integration of wooden structure construction and as well as social benefit produced by renewable energy source technology.

scholarly journals Hydropower and Sustainability

2021 ◽  
Author(s):  
Hemlal Bhattarai
Keyword(s):  
Climate Change ◽  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Hydropower Project ◽  
Power Sector ◽  
Strategic Measures

Renewable energy sources are gaining momentum in power sector mainly to address the impacts of climate change as well as the risks associated with usage of fossil fuels or nuclear energy sources. Hydropower is one of the most promising renewable energy source-based power plant that hold significant shares globally. But there are series of risks associated with hydropower project when we talk about sustainability and needs are felt to critically understand the pertaining risks as well as protocols or measures to quantify the risks. Such measure will prove to be crucial in underlining the strategic measures from planning, construction and operation phases of hydropower keeping on account of its sustainability.

scholarly journals PENGARUH EXTERNALITAS PADA NET ENERGY RATIO PRODUKSI BIODIESEL MIKROALGA = Externalities Effect on Net Energy Ratio of Microalgae Biodiesel Production

2016 ◽  
Vol 14 (2) ◽  
pp. 89
Author(s):  
Arif Dwi Santoso ◽  
Kardono . ◽  
Joko P. Susanto
Keyword(s):  
Energy Source ◽  
Renewable Energy Source ◽  
Renewable Energy ◽  
Algal Biomass ◽  
Biodiesel Production ◽  
Energy Ratio ◽  
Energy Sources ◽  
Net Energy ◽  
Fossil Energy ◽  
Net Energy Ratio

In the future, Indonesia is predicted to be hit by national energy crisis so that it needs to do some efforts to overcome its dependences on these fossil energy sources. One of the efforts to lower high dependency on fossil energy sources is to find renewable energy sources. Microalgae has a great potential as a renewable energy source because it has the advantages of high productivity and sustainability. Development of microalgal biomasses as a renewable energy source is however, constrained by high cost of biomass production and low value of NER (net energy ratio) comparing tothese of other biomasses, like palm oil, jatrophaand tubers. Literature study shows that the method of NER calculation on biodiesel production does not yet include environmental variables. This researchis therefore to evaluate the values of NER before and after the addition of environmental commodity variables that consist of social, environmental and land use cost. Results of NER values calculatedusing existing LCA and modification LCA method are found to be 0,62 ± 0,078 and 0,60 ± 0,075 for algal biodiesel and 4,17 ± 0,79 and 3,22 ± 0,61 for palm biodiesel. The lower value of NER value differences for algal biomass indicates that biodiesel production from algal biomass is more environmentally-friendly. In addition, it is predicted that microalgae will have a significant contribution in the green house gases (GHGs) mitigation by replacing fossil fuel in the future through its role as a biodiesel. Keywords: net energy ratio, life cycle analysis, environmental commodity, microalgae, biodieselAbstrakDi masa depan, Indonesia diperkirakan akan dilanda krisis energi nasional sehingga perlu melakukan upaya untuk mengatasi ketergantungan terhadap energi fosil tersebut. Salah satu upayauntuk menurunkan ketergantungan pada energi fosil adalah untuk menemukan sumber energi terbarukan. Mikroalga memiliki potensi besar sebagai sumber energi terbarukan karena memiliki keuntungan dari produktivitas tinggi. Pengembangan biomasa mikroalga sebagai sumber energi terbarukan terkendala oleh tingginya biaya produksi dan nilai rendah APM (rasio energi bersih) dibandingkan dengan biomasa lainnya, seperti kelapa sawit ataupun umbi-umbian. Studi literatur menunjukkan bahwa metode perhitungan APM pada produksi biodiesel belum menyertakan variabel lingkungan. Oleh karena itu penelitian ini adalah untuk mengevaluasi nilai-nilai APM sebelum dansesudah penambahan variabel komoditas lingkungan yang terdiri dari biaya sosial, lingkungan dan penggunaan lahan. Hasil nilai NER dihitung dengan menggunakan LCA yang ada dan metode LCAmodifikasi yang ditemukan 0,62 ± 0078 dan 0,60 ± 0,075 untuk biodiesel alga dan 4,17 ± 0,79 dan 3,22 ± 0,61 untuk biodiesel sawit. Nilai yang lebih rendah dari perbedaan nilai APM untuk biomassaalga menunjukkan bahwa produksi biodiesel dari biomassa alga lebih ramah lingkungan. Selain itu, diperkirakan bahwa mikroalga akan memiliki kontribusi yang signifikan dalam mitigasi gas rumahkaca (GRK) dengan mengganti bahan bakar fosil. Kata kunci: rasio energi, analisa siklus hidup, komoditas lingkungan, mikroalga, biodiesel

scholarly journals Risk Factors in a Logistics Company Using Renewable Energy Sources

Energies ◽  
2021 ◽  
Vol 14 (23) ◽  
pp. 8152
Author(s):  
Julia Giera ◽  
Ewa Kulińska
Keyword(s):  
Risk Factors ◽  
Energy Source ◽  
Renewable Energy Source ◽  
Risk Management ◽  
Renewable Energy ◽  
Positive Impact ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Individual Risk ◽  
Logistics Company

Investment in renewable energy sources by logistics companies has become commonplace. Organizations decide to invest in renewable energy sources not only for economic or environmental reasons, but because it is also prestigious for them. The aim of this article is to present the possible risk factors for a logistics company that uses or wants to implement renewable energy sources. This study identified individual risk factors and control mechanisms to reduce the likelihood of a particular risk factor occurring. In this article, the research methodology used is risk management through implementing a diagram of the risk-related decision-making processes of logistics companies around renewable energy sources. The analysis of the risk factors of renewable energy sources is an important element in assessing their effectiveness. By implementing the procedure of selecting an appropriate renewable energy source by logistic entities and implementing an element of risk management, there will be a significant positive impact on the optimal selection of a renewable energy source by enterprises.

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