scholarly journals Análise de Viabilidade Econômica na Implantação de Termoelétrica a Base de Casca de Arroz em Cachoeira Do Sul - RS

2021 ◽  
Author(s):  
LUCAS ALVAREZ NOGUEIRA ◽  
MAICON JADERSON SILVEIRA RAMOS ◽  
LAURA LISIANE CALLAI DOS SANTOS
Keyword(s):  
Rice Husk ◽  
Net Present Value ◽  
Industrial Process ◽  
Rice Production ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Viability Analysis ◽  
Thermoelectric Plant ◽  
The City ◽  
Proper Disposal

The industrial process and production of rice requires a correct management of the residues generated by them, for the best use of them, proper disposal, and reduction of environmental impacts. In this context, when perceiving the potential of rice production in the city of Cachoeira do Sul - RS, the present project proposes the economic viability analysis in the implantation of a thermoelectric power plant with the generation of energy from the rice husk biomass in the municipality of Cachoeira do Sul. For the present work, a survey of rice production in the main mills of the city was prepared and the amount of rice husk that could be used as fuel in the biomass-based thermoelectric plant was defined. The costs necessary for the implementation of the thermoelectric plant and the revenues from the sale of the produced energy were evaluated, making it possible to obtain economic viability analysis of the project. The values found in the minimum attractiveness rate, net present value, internal rate of return and payback calculations show that the use of rice husk for power generation in a thermoelectric plant is viable for Cachoeira do Sul-RS.

scholarly journals Economic Viability and Socio-Environmental Impacts of Solar Home Systems for Off-Grid Rural Electrification in Bangladesh

Energies ◽  
2020 ◽  
Vol 13 (3) ◽  
pp. 679 ◽  
Author(s):  
Swati Anindita Sarker ◽  
Shouyang Wang ◽  
K M Mehedi Adnan ◽  
Muhammad Khalid Anser ◽  
Zeraibi Ayoub ◽  
...  
Keyword(s):  
Environmental Impacts ◽  
Low Income ◽  
Net Present Value ◽  
Economic Benefits ◽  
High Rate ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Viable Option ◽  
Home Systems

This study conducted a questionnaire-led survey to explore the financial feasibility and socio-environmental impacts of stand-alone solar home systems (SHS) through stratified random sampling. Based on the above consideration, fifteen cases of studies of various watt peak (Wp) capacities have been investigated to evaluate the economic viability of solar home systems. The results revealed that most of the cases have positive net present value (NPV) and low payback periods, with an internal rate of return (IRR) value ranging from 16% to 131%, which signifies a high rate of investment exchange. Solar home systems are economically profitable for micro-enterprises and households with low-income generation activities as opposed to the households using it only for lighting. The study found that solar home systems with a capacity above 30 Wp are the most economically viable option, which can also avoid 6.15 to 7.34 tonnes of CO2 emissions during the 20 years of life-cycle, while providing different applications including lighting, recreation, information, health, and economic benefits.

scholarly journals Revitalization of property asset on the Dumilah Waterpark through the infill development of new activities

2021 ◽  
Vol 778 (1) ◽  
pp. 012005
Author(s):  
E B Santoso ◽  
V K Siswanto ◽  
U Sulistyandari
Keyword(s):  
Net Present Value ◽  
Regional Scale ◽  
Payback Period ◽  
City Government ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Infill Development ◽  
Financial Feasibility ◽  
The Government ◽  
The City

Abstract Property assets owned by the city government should provide high benefits as a source of regional income. The asset is aging so that its productivity will decrease. The government is trying to revitalize assets to make them more productive. The purpose of this study is to determine the best utilization that can provide the highest benefit. The method used to assess the development of these assets is through the high best use approach. Several alternatives to the use of assets compared with the analysis of financial feasibility include the calculation of IRR, NPV, PP, ROI. The utilization of property assets that is more profitable for landowners, based on the results of the FGDs that have been carried out there is an opportunity to build a supporting facility for the development of Dumilah Water Park as a Hotel and Convention Hall. Both of these facilities have considerable economic appeal to support the function of the city of Madiun as a center for trade and services on a regional scale. Based on the calculation of financial feasibility at Dumilah Water Park with an initial investment amount of Rp. 60,354,000,000.00 then the Net Present Value is obtained of Rp. 6,258,119. Likewise, the Internal Rate of Return was obtained at 11.41%, greater than the 10% interest rate. Meanwhile, the Payback Period of this investment is 8 years with an ROI of 10%.

scholarly journals Wave Energy Converter Performance Modeling and Cost of Electricity Assessment

2010 ◽  
Author(s):  
Dmitri Jarocki ◽  
James H. Wilson
Keyword(s):  
Energy Flux ◽  
Wave Energy ◽  
Power Plants ◽  
Net Present Value ◽  
Rate Of Return ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Cost Of Electricity ◽  
Wave Energy Flux

California is experiencing a rapid increase in interest for the potential of converting ocean waves in into carbon-free electricity. Numerous applications have been submitted for the permitting of such renewable energy projects; however the profitability, practicability, and survivability have yet to be proven. Wave energy conversion technology has steadily matured since its naissance in the 1970’s, several wave energy power installations currently exist, and numerous plans for commercial power plants are in the works on the shores of multiple continents. This study aims to assess the economic viability of two proposed commercial wave energy power plant projects on the Central California Coast. A hypothetical 25 MW capacity wave energy plant located at a site located 5 nautical miles off of Point Arguello, in Santa Barbara County is compared to a similar site 5 nautical miles off of Morro Bay, in the County of San Luis Obispo. The Pacific Gas and Electric Company and Green Wave Energy Solutions, LLC have proposed full-scale commercial wave power plants at these sites, and are currently undergoing the federal permitting processes. Historical wave resource statistics from 1980 to 2001 are analyzed with performance specifications for the AquaBuOY, Pelamis P1, and WaveDragon wave energy converters (WECs) to calculate the annual electrical output of each device at each site. Sophisticated computer modeling of the bathymetric influence on the wave resource at each site is presented using the program Simulating Waves Nearshore (SWAN) developed by the Delft University of Technology. The wave energy flux, significant wave height, and peak period are computed at each site for typical summer and winter swell cases, using seafloor depth measurements at a 90 meter grid resolution. The economic viability of commercial electricity generation is evaluated for each WEC at each site by the calculation of the net present value of an estimated 25-year project life-cycle, the internal rate of return, and the required cost of electricity for a 10-year project payback period. The lowest required price of electricity is $0.13/kWh and occurs at the Point Arguello site using the AquaBuOY WEC. The highest annual capacity factor is 18% using the Pelamis WEC. The net present value and internal rate of return calculations suggest that the AquaBuOY WEC is profitable at both sites for electricity prices above $0.14/kWh. Shallow water wave propagation SWAN modeling demonstrated favorable wave energy flux states for WEC operation and power generation.

scholarly journals ANALISIS KELAYAKAN MESIN PENGERING KERIPIK KENTANG

AGROINTEK ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 10 ◽  
Author(s):  
M. Adhi Prasnowo ◽  
Shafiq Nurdin ◽  
Ahlan Ahlan
Keyword(s):  
Net Present Value ◽  
Electric Energy ◽  
Potato Chips ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Tourist Destination ◽  
Tourist Destinations ◽  
Financial Feasibility ◽  
Very High

Batu City is a tourist destination for domestic and foreign tourists because it have variety of tourist destinations that have been managed properly. The development of tourist destinations that increases rapidly, making the businessmen souvenirs typical of Batu City growing. It is also felt by potato chips entrepreneurs, who are experiencing increased demand. But entrepreneurs increasingly difficult to increase the amount of productivity, because the technology used to produce potato chips is still simple. So that can not meet the needs of a very high market. This study aims to determine the economic viability of potato chips dryer. The method used in this research is Net Present Value (NPV) and Internal Rate of Return (IRR). Based on the financial feasibility analysis of potato chips dryer machine using electric energy is feasible to be implemented because the value of NPV is greater than zero which is IDR. 5.233.433 and IRR value 22% greater than the current interest rate of 12% with the project period of 5 years.

scholarly journals ECONOMIC FEASIBILITY STUDY FOR THE INSTALLATION OF A COGENERATION SYSTEM IN A TIMBER INDUSTRY OF LAGES-SC

2019 ◽  
Vol 7 (4) ◽  
pp. 59-71
Author(s):  
Scharles Roberto Vargas ◽  
Graciela Alessandra Dela Rocca ◽  
Nathielle Waldrigues Branco ◽  
José Adelir Wolf ◽  
Fernanda Cristina Silva Ferreira
Keyword(s):  
Net Present Value ◽  
Economic Feasibility ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Plateau Region ◽  
Viability Study ◽  
Cogeneration System ◽  
Descriptive Method

This research thematic is the Economic Viability Study, in order to implement a cogeneration system, in a logging company, located in the Santa Catarina highland plateau region. Thus, reducing its production cost, since much of it is due electricity purchase. Data collection of both production, consumption and expenses with electricity purchase and billing were carried out together with the company. Descriptive method was used, with case study. For the economic analysis, both net present value (NPV), internal rate of return (IRR) and payback period were used. With this information and crossing the data, the economic viability for this project became evident, as it can be visualized throughout of this article.

scholarly journals Taper modeling and economic evaluation of multi-products obtained from wood of short-rotation eucalyptus stands

FLORESTA ◽  
2020 ◽  
Vol 50 (3) ◽  
pp. 1439
Author(s):  
Luciana Da Silva Menezes ◽  
Joice Beatriz Lopes Figueredo ◽  
Lidiomar Soares Costa ◽  
Renato Vinícius Oliveira Castro ◽  
Carlos Alberto Araújo Júnior
Keyword(s):  
Interest Rates ◽  
Net Present Value ◽  
Eucalyptus Grandis ◽  
Economic Viability ◽  
Eucalyptus Urophylla ◽  
Present Value ◽  
Viable Option ◽  
Viability Analysis ◽  
Short Rotation ◽  
Stem Tapering

This study aims at defining the appropriate model to describe the stem tapering of trees of Eucalyptus urophylla x Eucalyptus grandis hybrid, and at evaluating the economic viability of obtaining wood multi-products at different interest rates. The volume of 60 sample trees were determined, and stem tapering was described according to the models proposed by Demaerschalk, Prodan, Kozak, and Ormerod. The best model was used to convert the trees into assortments so that the wood could be optimized for the product that offers the maximum economic return with the minimum possible waste. Then, an economic viability analysis was performed for wood multi-product production, using the Net Present Value (NPV) and applying interest rates of 8 to 12% p.a. The Demaerschalk model is the most appropriate one for the study of stem tapering and assortment determination in short-rotation stands of the Eucalyptus urophylla x Eucalyptus grandis hybrid intended for multi-products in the region covered by the study. The allocation of wood for multi-products is a viable option for stands of the Eucalyptus urophylla x Eucalyptus grandis hybrid, according to the interest rates applied in the present study.

scholarly journals Economic analysis of an agrosilvipastoral system for a mountainous area in Zona da Mata Mineira, Brazil

2011 ◽  
Vol 46 (10) ◽  
pp. 1148-1153 ◽  
Author(s):  
Marcelo Dias Müller ◽  
Gilciano Saraiva Nogueira ◽  
Carlos Renato Tavares de Castro ◽  
Domingos Sávio Campos Paciullo ◽  
Frederico de Freitas Alves ◽  
...  
Keyword(s):  
Net Present Value ◽  
Evaluation Criteria ◽  
Eucalyptus Grandis ◽  
Acacia Mangium ◽  
Forest Products ◽  
Production Costs ◽  
Economic Viability ◽  
Agricultural Activity ◽  
Mountainous Area ◽  
Viability Analysis

The objective of this work was to evaluate the economic viability of an agrosilvipastoral system developed for Zona da Mata mountainous areas in Minas Gerais state, Brazil, as well as to compare different options for wood (Eucalyptus grandis and Acacia mangium) commercialization of the second thinning. The data were obtained from a 10 year-old agrosilvipastoral system established in four hectares at Embrapa Gado de Leite station in Coronel Pacheco, MG, Brazil. As evaluation criteria for the economic viability analysis, the adopted methods were the net present value (NPV) and the internal rate of return (IRR), both calculated at 6% interest rate. Despite the small difference, adding value to forest products increased the attractiveness of the proposed system. Considered separately, the agricultural activity was impracticable, whereas the forestry and livestock activities were independently viable. The studied system seems to be equally tolerant to price variations for forest and livestock products, as well as strongly tolerant to variations in production costs.

scholarly journals Risk Economic Viability Focusing on Energy Efficiency in Three Genotypes of Elephant Grass in the Municipality of Alegre, Brazil

2021 ◽  
Vol 13 (4) ◽  
pp. 138
Author(s):  
Wanessa Francesconi Stida ◽  
Rogério Figueiredo Daher ◽  
José Augusto de Almeida Sant’Ana ◽  
Niraldo José Ponciano ◽  
Eduardo Peres Furlani ◽  
...  
Keyword(s):  
Energy Production ◽  
Large Scale ◽  
Fossil Fuels ◽  
Net Present Value ◽  
Economic Viability ◽  
Elephant Grass ◽  
Internal Rate Of Return ◽  
Sale Price ◽  
The One

The use, on a large scale, of fossil fuels and their derivatives has devastating long-term consequences for mankind. Therefore is an urgent need to seek new alternatives for sustainable energy production. This fact is one of the great challenges to be faced by researchers worldwide. Within this context, the elephant grass has been standing out successfully in the production of biomass for energy purposes. The purpose in this study was to analyze the economic viability of biomass production of three genotypes of elephant grass for energy purposes and to identify the risk by means of the Monte Carlo simulation. The economic indicators were obtained by calculating the Net Present Value (NPV), the Internal Rate of Return (IRR), and the Profitability Index (PI). To determine the degree of uncertainty, analysis of sensitivity was applied. Results indicated viability for all genotypes, especially the Guaçú/I.Z.2, with IRR of 17.79%. Variation in sale price of grass generates a greater impact on profitability, followed by the labor and fertilization costs. The risk of failure was relatively low, with the exception of Capim Cana D’África, 38.16%. Among the three genotypes studied, the G1 genotype (Guaçú/I.Z.2) stood out as the one with the best economic viability.

scholarly journals ANÁLISE DA VIABILIDADE DA CONSTRUÇÃO DE UM ATERRO SANITÁRIO NO MUNICÍPIO DE RANCHARIA (SP) POR MEIO DE ENGENHARIA ECONÔMICA

2020 ◽  
Vol 12 (1) ◽  
pp. 73-85
Author(s):  
Arthur Pereira dos Santos ◽  
Elson Mendonça Felici ◽  
Marcelo Rodrigo Alves ◽  
Felipe Kesrouani Lemos
Keyword(s):  
Solid Waste ◽  
Opportunity Cost ◽  
Net Present Value ◽  
Economic Viability ◽  
Waste Generation ◽  
Present Value ◽  
Life Cycle Stages ◽  
Solid Waste Generation ◽  
Selective Collection ◽  
Proper Disposal

This study aimed to analyze the feasibility of building a landfill in the municipality of Rancharia-SP, aiming to meet the standards established by the National Solid Waste Policy (PNRS), reduce costs with the proper disposal of waste, reduce environmental pollution and avoid possible penalties imposed by the Environmental Company of the State of São Paulo (CETESB). A quantitative approach was carried out to verify the economic viability of investment alternatives, with the application of Economic Engineering methods, such as the Net Present Value (NPV) method. The information needed for the analysis, regarding the projections of solid waste generation by the municipality of Rancharia, the costs of outsourcing the proper disposal of waste, the costs of the life cycle stages of a landfill, were raised through research bibliographic and documentary. Thus,and considering that, so far, the municipality pays for the transshipment and the proper disposal of its waste at the landfill of a neighboring municipality (23km), it was concluded that the construction of a landfill in Rancharia -SP is the alternative more economically profitable, being able to present better returns with the realization of financing, whose rates are lower than the opportunity cost, as well as with the implementation of more efficient systems of selective collection of recyclable materials.

scholarly journals WOOD DRYERS: A SUSTAINABLE ALTERNATIVE FOR INCREASED CHARCOAL PRODUCTION

FLORESTA ◽  
2019 ◽  
Vol 50 (1) ◽  
pp. 943
Author(s):  
Clarissa Gusmão Figueiró ◽  
Angélica de Cássia Oliveira Carneiro ◽  
Lucas De Freitas Fialho ◽  
Mateus Alves Magalhães ◽  
Gabriel Browne de Deus Ribeiro ◽  
...  
Keyword(s):  
Net Present Value ◽  
Rate Of Return ◽  
Economic Viability ◽  
Financial Indicators ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Charcoal Production ◽  
Wood Moisture ◽  
Technical Feasibility ◽  
Combustion Gases

The aim of the study was to evaluate the technical and economic viability of a wood dryer in the charcoal production. Drying was carried out for 72 hours using wood from Eucalyptus sp. in two classes of diameter. The average admission temperature of combustion gases in the dryer was 100-150ºC. It was determined the mass of water withdrawn by drying and estimated the amount of wood that would be consumed during the pyrolysis to remove the same amount of water, being this wood converted into charcoal mass. In the economic analysis were determined the indicators net present value, internal rate of return and discounted payback. The dryer presented technical feasibility, reducing wood moisture by 8% and, consequently, increasing the charcoal productivity by 3.3%, and economic viability, with good financial indicators for current market conditions, including a discounted payback of 6 years. In this way, the use of a wood dryer was presented as an efficient way to take advantage of an environmental liability of pyrolysis, which contributes to the increase of sustainability in the charcoal production.

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