scholarly journals Diseño de un sistema fotovoltaico para la reducción de usuarios de tarifa DAC

2019 ◽  
pp. 1-9
Author(s):  
José Alfonso Sánchez-Cortez ◽  
Carlos Eduardo Castillo-Ramírez ◽  
Amparo González-Morales ◽  
Luis Guillermo Vázquez-Baldazo
Keyword(s):  
Economic Analysis ◽  
Electric Power ◽  
Electricity Consumption ◽  
Photovoltaic System ◽  
High Consumption ◽  
Consumption Rates ◽  
The Cost ◽  
Installed Capacity

The increase in costs for electricity consumption has gone up, significantly affecting the economy of users, within the tariffs of residential users is the “DAC” rate (that means high consumption domestic rate). An economic analysis of electricity consumption rates indicates that, as of January 1st, 2019, the cost per kWh used in the “DAC” tariff corresponds to $ 5.121 MXN, which means that a “DAC” user pays more than 200% than a user 1C rate for each kWh consumed. For this purpose, a photovoltaic system has been designed for interconnection to the network, this system allows users to change from “DAC” rate to tariff 1C, and consequently will allow the reduction of these costs about the electric power service, this system can be installed in any yard, besides generating electricity, the photovoltaic products will be 2: a swing and a gazebo, with an installed capacity of 1.1 kWh, which will provide a rest and relaxation service.

scholarly journals Mongolia’s potential in international cooperation in the Asian energy space

2018 ◽  
Vol 27 ◽  
pp. 01006 ◽  
Author(s):  
Sereeter Batmunkh ◽  
Valery Stennikov ◽  
Bayar Bat-Erdene ◽  
Altay Erdenebaatar
Keyword(s):  
Electric Power ◽  
Peak Load ◽  
Northeast Asia ◽  
Electricity Consumption ◽  
Energy Space ◽  
Energy Resources ◽  
Power Demand ◽  
Demand And Supply ◽  
Available Energy ◽  
Consumption Rates

The paper is concerned with the issues of interstate electric power interconnections to be created in the countries of Northeast Asia. The conditions are formulated, the problems are stated, and solutions for Mongolia’s entry into the Asian energy space are proposed. The electricity consumption rates are growing, however, the Northeast Asia countries differ considerably in available energy resources to cope with this growth. Therefore, the need to build international electric power interconnections that take into account climatic features, seasonal peak load differences and other factors in order to rationally match power demand and supply is getting increasingly more obvious. Mongolia can take an active part in this process, as the country is rich in energy resources and interested in their development to meet their domestic needs and exchange with neighboring countries. The establishment of interstate power interconnections in the Northeast Asia countries represents a topical task whose solution will make it possible to meet the demand of this region for electricity on mutually beneficial terms. Mongolia has a good spatial position, energy resources and is interested in ensuring domestic energy balance. Therefore, the country can be an active participant in such an integration process.

scholarly journals Income Maximisation in a Maltese Household Photovoltaic System by Means of Output and Consumption Simulations

Energies ◽  
2021 ◽  
Vol 14 (23) ◽  
pp. 7934
Author(s):  
Daniele Zingariello ◽  
Marija Demicoli ◽  
Luciano Mule’ Stagno
Keyword(s):  
Electricity Generation ◽  
Electricity Consumption ◽  
Consumption Patterns ◽  
Photovoltaic System ◽  
Pv System ◽  
Residential Sector ◽  
Pv Systems ◽  
Maltese Islands ◽  
High Consumption ◽  
Inclination Angles

The installation of photovoltaic (PV) systems in the Maltese Islands plays an important role in allowing Malta to increase its share in renewable energy to meet the set European Union targets. In the Maltese residential sector, PV systems are generally installed on rooftops of households with a south-facing orientation and a 30° inclination angle. The scope of this study is to present a methodology to maximise the income for residents from electricity generated, by comparing the output of electricity generation with the electricity consumption patterns of different household types and consequently identifying the most favourable installation configurations of these PV systems. The research was carried out by simulating the monthly electricity generation of a 3 kilowatt-peak PV system for a year, as well as the hourly electricity generation for a day in each season of the year using the PVsyst software package. A total of 21 configurations were studied by altering the orientation and inclination angles used to install the PV system. This study confirms that a south-facing PV system inclined at 30° generates the most electricity in a year. However, when compared with electricity consumption patterns of low-, medium- and high-consumption households, it is shown that a south-facing PV system inclined at 40° provides a better income for residents.

scholarly journals Home Photovoltaic System Design in Pangkalpinang City

2018 ◽  
Vol 31 ◽  
pp. 02006 ◽  
Author(s):  
Wahri Sunanda
Keyword(s):  
System Design ◽  
Electricity Consumption ◽  
Photovoltaic System ◽  
Photovoltaic Systems ◽  
Cost Of Electricity ◽  
Average Value ◽  
Economic Saving ◽  
One Year ◽  
The Cost ◽  
Daily Load

This research aims to obtain the design of home photovoltaic systems in Pangkalpinang and the opportunity of economic savings. The system consists of photovoltaic with batteries. Based on electricity consumption of several houses with installed power of 1300 VA and 2200 VA in Pangkalpinang for one year, the daily load of photovoltaic system is varied to 40%, 30% and 20% of the average value of the daily home electricity consumption. The investment costs, the cost of replacement parts and the cost of electricity consumption accrued to PLN during lifetime of systems (25 years) are also calculated. The result provided that there are no economic saving opportunities for photovoltaic systems with batteries at home with installed power of 1300 VA and 2200 VA in Pangkalpinang. The most economical is the photovoltaic system with the daily load of 20% of the average value of the daily home electricity consumption. The configuration of photovoltaic system for 1300 VA home consists of 10 modules of 200 wattpeak and 4 batteries 150 AH, 12 Volt while photovoltaic system for 2200 VA home consists of 15 modules of 200 wattpeak and 6 batteries 150 AH,12Volt.

scholarly journals Reduction of Production Costs in Agribusiness Companies in the Western Region of the State of Paraná Using Photovoltaic Systems Connected to the Grid

2019 ◽  
Vol 11 (9) ◽  
pp. 198
Author(s):  
Mario Elias Carvalho do Nascimento ◽  
Jair Antonio Cruz Siqueira ◽  
Carlos Eduardo Camargo Nogueira ◽  
Maritane Prior ◽  
Mauricio Guy de Andrade
Keyword(s):  
Electricity Consumption ◽  
The State ◽  
Production Costs ◽  
Photovoltaic System ◽  
Grain Storage ◽  
Western Region ◽  
Photovoltaic Systems ◽  
Consumption Data ◽  
The Western Region ◽  
The Cost

This investigation was a case study of designs for grid-tie photovoltaic systems in agribusiness enterprises in the western region of the state of Paraná, in Brazil. Electricity consumption data of three grain storage enterprises and a complex with three aviaries was studied. Their monthly electricity consumption and production costs data were collected, and solar radiation data for the same locations were collected from the SunData database. Indices that related electricity costs and production expenses, and the photovoltaic system costs and production expenses were developed. The indices showed to be efficient tools of cost relation for systems of different installed powers and different agricultural productions. The study showed a cost reduction in production of up to 62.71% for the aviaries, and 76.87% for the grain storage enterprises, concluding that the use of grid-tie photovoltaic systems reduces the cost of production and increases the profit of the enterprises.

TECHNICAL AND ECONOMIC RATIONALE OF A GAS-PISTON USE IN A MEDIUM-CAPACITY BOILER HOUSE

2021 ◽  
pp. 106-113
Author(s):  
Денис Александрович Емельянов ◽  
Павел Александрович Артамонов
Keyword(s):  
Financial Burden ◽  
Electricity Consumption ◽  
Boiler House ◽  
District Heating ◽  
Power Source ◽  
Alternative Source ◽  
Cost Of Electricity ◽  
Economic Rationale ◽  
The Cost ◽  
Installed Capacity

Рассмотрена проблема сокращения затрат при потреблении электрической энергии оборудованием центральной котельной средней мощности. Перспективным направлением в решении этой задачи является использование альтернативного источника электроэнергии в виде газопрошневой установки. Теплогенерирующие установки для централизованного теплоснабжения были рассчитаны с учетом минимального потребления электроэнергии и достижения надежности. Проведен анализ потребления электроэнергии оборудованием котельной установленной мощностью 4,7 МВт. Определены технические характеристики газопоршневой установки, выбранной в качестве нового источника электроэнергии. Проведены технико-экономические расчеты стоимости производства собственного электричества для котельной. Применение собственного источника электроэнергии позволяет снизить стоимость электроэнергии в сравнении с покупкой от центральных электросетей. Сделан вывод о том, что применение собственного альтернативного источника электроэнергии для котельной - это выгодное вложение для снижения финансовой нагрузки на теплоснабжающую организацию и для снижения стоимости тарифа на тепловую энергию. The problem of reducing cost of electricity consumption by the equipment of the central boiler house of medium capacity is considered. A promising direction in solving this problem is the use of an alternative source of electricity in the form of a gas-piston installation. Heat generating plants for district heating were designed taking into account the minimum electricity consumption and achieving reliability. We carried out the analysis of electricity consumption by the boiler house equipment with an installed capacity of 4.7 MW. The technical characteristics of the gas-piston plant selected as a new source of electricity were determined. As well we carried out technical and economic calculations of the cost of producing own electricity for the boiler house. The use of its own power source allows one to reduce the cost of electricity in comparison with the purchase from the central power grid. It is concluded that the use of its own alternative source of electricity for the boiler house is a profitable investment to reduce the financial burden on the heat supply organization and to reduce the cost of the heat energy tariff.

scholarly journals Investigation of Potential of Solar Photovoltaic System as an Alternative Electric Supply on the Tropical Island of Mantanani Sabah Malaysia

2021 ◽  
Vol 13 (22) ◽  
pp. 12432
Author(s):  
Ag Sufiyan Abd Hamid ◽  
Mohamad Zul Hilmey Makmud ◽  
Abu Bakar Abd Rahman ◽  
Zuhair Jamain ◽  
Adnan Ibrahim
Keyword(s):  
Solar Energy ◽  
Economic Analysis ◽  
Return On Investment ◽  
Cost Of Capital ◽  
Payback Period ◽  
Photovoltaic System ◽  
Electricity Supply ◽  
Daily Routine ◽  
Electrical Load ◽  
The Cost

This article reports on the potential use of a photovoltaic solar system on Mantanani Island. This island has its attractions in terms of flora and fauna as well as the uniqueness of its local community. The electricity supply status of the island is minimal, and the local electricity provider only provides two units of electrical generator that only supply energy from 18:00 to 06:00. This study is motivated by the hypothesis that if the target resident can obtain a better electricity supply, they can generate higher income and improve their standard of living. This study aims to identify the status of solar energy sources, estimate the basic electrical load, and conduct a techno-economic analysis of homestay enterprises of residents. Geostationary satellite data on solar energy resources were gathered and analyzed using Solargis. The electricity load was calculated based on the daily routine activities of the residents and usage of primary electrical appliances. Techno-economic analysis was done by determining the key parameters to calculate the return on investment and payback period. The results showed that Mantanani Island had great potential for implementing a photovoltaic system, by the estimated value of the total annual solar energy and peak sun hour of 1.447 MWh/m2/y and 4.05 h, respectively. The variation in total monthly solar energy was minimal, with a range of only 61.3 Wh/m2. The calculated electrical load was 7.454 kWh/d. The technoeconomic assessment showed that the return on investment was MYR 3600 per year. However, the value of the payback period varies according to the value of the cost of capital spent. Regarding the cost of capital of this study, the shortest and longest payback periods achievable were 2.78 and 13.89 years, respectively. This calculation is in line with a photovoltaic system with a capacity of 2.2 kWp.

scholarly journals Characteristics of the cost of electricity consumption in agricultural production

2021 ◽  
Vol 677 (3) ◽  
pp. 032087
Author(s):  
G S Kudryashev ◽  
A N Tretyakov ◽  
S V Batishchev ◽  
V A Bochkarev ◽  
V D Ochirov
Keyword(s):  
Agricultural Production ◽  
Electricity Consumption ◽  
Cost Of Electricity ◽  
The Cost

scholarly journals Economic Analysis of the Use of VCS2000 for Pork Carcass Meat Yield Grading in Korea

Animals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1297
Author(s):  
Juntae Kim ◽  
Hyo-Dong Han ◽  
Wang Yeol Lee ◽  
Collins Wakholi ◽  
Jayoung Lee ◽  
...  
Keyword(s):  
Economic Analysis ◽  
Net Present Value ◽  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Feed Consumption ◽  
Cost Ratio ◽  
Benefit Analysis ◽  
Labor Costs ◽  
Meat Yield ◽  
The Cost

Currently, the pork industry is incorporating in-line automation with the aim of increasing the slaughtered pork carcass throughput while monitoring quality and safety. In Korea, 21 parameters (such as back-fat thickness and carcass weight) are used for quality grading of pork carcasses. Recently, the VCS2000 system—an automatic meat yield grading machine system—was introduced to enhance grading efficiency and therefore increase pork carcass production. The VCS2000 system is able to predict pork carcass yield based on image analysis. This study also conducted an economic analysis of the system using a cost—benefit analysis. The subsection items of the cost-benefit analysis considered were net present value (NPV), internal rate of return (IRR), and benefit/cost ratio (BC ratio), and each method was verified through sensitivity analysis. For our analysis, the benefits were grouped into three categories: the benefits of reducing labor costs, the benefits of improving meat yield production, and the benefits of reducing pig feed consumption through optimization. The cost-benefit analysis of the system resulted in an NPV of approximately 615.6 million Korean won, an IRR of 13.52%, and a B/C ratio of 1.65.

scholarly journals Grid Parity Analysis of China’s Centralized Photovoltaic Generation under Multiple Uncertainties

Energies ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1814
Author(s):  
Libo Zhang ◽  
Qian Du ◽  
Dequn Zhou
Keyword(s):  
Power Generation ◽  
Early Stage ◽  
Electricity Price ◽  
Grid Parity ◽  
Industry Environment ◽  
External Conditions ◽  
Generation Costs ◽  
Time Price ◽  
The Cost ◽  
Installed Capacity

The cost of centralized photovoltaic (CPV) power generation has been decreasing rapidly in China. However, the achievement of grid parity is full of uncertainties due to changes in policies and the industry environment. In order to explore the time, price, and external conditions in which grid parity can be achieved, we create the improved grey GM (1, 1) model to estimate the installed capacity over the next 10 years, and apply a learning curve to predict the cost of CPV generation. In the analysis of grid parity, we compare the benchmark price of coal power and the price under the market-oriented mechanism with CPV. The results show that China’s CPV industry will enter the early stage of maturity from 2020 onwards; with the help of benchmark investment, the grid parity of CPV may be achieved in 2022 at the earliest and 2025 at the latest. After 2025, the photovoltaic electricity price will be generally lower than the coal electricity price under marketization. By 2030, CPV power generation costs will reach US $0.05/kWh, the accumulative installed capacity will exceed 370 GW, and the uncertainties will lead to a cumulative installed gap of nearly 100 GW.

Economic Evaluation of a Ninngen-Dokku (Medical Checkup)

1993 ◽  
Vol 32 (03) ◽  
pp. 199-202
Author(s):  
T. Shimizu ◽  
T. Suzuki
Keyword(s):  
Economic Evaluation ◽  
Economic Analysis ◽  
Medical Treatment ◽  
Medical Checkup ◽  
Dry Dock ◽  
The Cost ◽  
Mass Health ◽  
Medical Judgment

Abstract:An economic evaluation of a medical checkup center (Ninngendokku, “human dry dock”) was conducted from two perspectives: the cost for cancer checkup, and the cost for medical treatment after a diagnosis was obtained. We studied the cost of diagnosing cancer, compared with the cost required when cancer of an individual organ was detected through mass health testing, and studied the economics of a Ninngendokku according to Kawai’s method of medical judgment. Assuming that the cost of death is more than the cost of saving the lives of persons who undergo the Ninngen-dokku, the Ninngen-dokku will be affordable. In the group undergoing the Ninngen-dokku compared with the group which did not, the estimated cost of medical treatment was reduced. The Ninngendokku carries advantages that cannot be quantified in financial terms; therefore, a multi-layered economic analysis of the Ninngen-dokku was required.

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