• 제목/요약/키워드: Environmental Economic Cost

검색결과 730건 처리시간 0.031초

환경비용을 고려한 재생에너지의 경제성 분석 (An Economic Measures of the Renewable Energy considering Environmental Costs)

  • 이관호
    • 한국태양에너지학회 논문집
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    • 제24권3호
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    • pp.93-100
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    • 2004
  • This study aims to presents the applicability of economic measures for renewable energy The basic principle and method of economic analyses were investigated and total life cycle cost considering environmental costs according to $CO_2$ generation. In case study, adaptation of new small wind power system to buildings were proved to produce a profit if it is considered the environmental cost and increment of energy prices. And so the economic measures can be used not only for the investment decisions for economic analysis but also for the comparative analysis of environmental cost and economic profits.

환경회계에 의한 낙동강 유역의 환경정책결정에 관한 연구 (Environmental Decision Making of Nakdong River Basin by the Environmental Accounting)

  • 김영진;김진이;손지호;이석모
    • 한국환경과학회지
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    • 제10권2호
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    • pp.85-90
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    • 2001
  • The conflicts between environment protection and economic development are becoming increasingly important in environmental decision making of Nakdong River Basin. A science-based evaluation system is now needed to represent both the environmental values and the economic values with a common measure. EMERGY, spelled with an \"m\" evaluates both the work of river and that of human in generating products and services. The monetary cost-benefit analysis and the environmental accounting by EMERGY analysis were applied to determine whether there will have a net benefit in environmental decision making of Nakdong River Basin. Based on the results of the environmental accounting, all alternatives which related to environmental decision making of Nakdong River Basin show that more and more of EMERGY cost becomes needed than the a EMERGY benefit from getting water to drink in the lower basin. From these results, for selecting alternatives to manage water quantity and quality that is sustainable in the environmental use and economic development, environmental accounting concepts must be considered, and the economic structure of Nakdong River Basin should be changed from the present industrial structure to social-economic based on ecological-recycling concept for the sustainable use of Nakdong River.ong River.

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신재생에너지 적용에 따른 화력발전 경제성분석 (Analysis of Economical efficiency for renewable energy in Steam Power Plant)

  • 최경식
    • 환경영향평가
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    • 제23권1호
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    • pp.11-17
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    • 2014
  • Since the Renewable Portfolio Standard (RPS) would be started in 2012, the use of renewable energy should be 11% of total energy use including bio-fuel in 2030. The economic efficiency for renewable energy in B power plant was considered with the bio-diesel, wind power and solar power. The Net Present Value (NPV) and Benefit/Cost Ratio(BC) were used for the economic efficiency with the cost and benefit analysis. In case of bio-diesel, the cost resulted from the fuel conversion and the benefit would be created with trade and environmental improvement. With regard to wind power and solar power, the construction cost would be required and benefit factors would be same as the bio-diesel. The wind power was the best of economic efficiency of renewable energy as the results of NPV and BC ratio. Whereas, the market of wind power was very popular and the techniques of wind power has been developing rapidly.

저탄소 화물열차를 위한 경제속도 결정에 관한 연구 (Determining Economic Speed for Green Freight Train)

  • 김광태;최원석;김영훈;이선영
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
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    • pp.461-464
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    • 2011
  • Rail transport has been considered as an environmental-friendly transport mode compared with other transport modes such as ship, truck, and aircraft. However, rail industry can not avoid a duty of alleviating Greenhouse gases emission owing to the Korean government polices for green growth which is an economic paradigm that simultaneously pursues growth and environmental improvement. The purpose of this research is to develop a methodology of determining an economic speed of freight train to be green freight train by considering fuel cost, environmental cost, and time cost. In the methodology, we first define a cost function based on cost factors and then suggest an economic speed of freight train by deriving a property.

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신재생에너지 경제성 평가 결과 분석 및 평가지표 연구 (Indicators of Economic Evaluation and Case Studies on New & Renewable Energy)

  • 안은영;김성용
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2005년도 춘계학술대회
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    • pp.600-603
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    • 2005
  • U.S. National Research Council proposed benefits framework for energy R&D project as economic benefits, environmental benefits, security benefits and knowledge benefits. Following this framework, U.S. National Renewable Energy Laboratory evaluated the projected benefits of Federal Energy Efficiency and Renewable Energy Programs in the indicators of energy-expenditure savings, energy system cost savings, $CO_2$ emissions reductions. oil savings, natural gas saving and avoided additions to central conventional power. As this result, geothermal energy have predominant position in the energy-expenditure savings, natural gas saving and avoided addi t ions to central conventional power to FY2050. The projected benefits, in monetary value, of the whole supply-potential of geothermal energy in Korea were evaluated as 480.2 billion Won, 43.1 billion Won and 135.8 billion Won for the private energy-cost savings, social environmental-cost savings, and import energy-cost saving, respectively.

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탄소세(炭素稅)를 고려한 화력발전 설비간의 경제성 평가 (Economic Analysis of Power Plant Utilities Under $CO_2$ Emission Tax)

  • 김지수;이병남;김태진
    • 산업공학
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    • 제10권1호
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    • pp.237-248
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    • 1997
  • The purpose of this study is to make an economic analysis of power plant utilities by examining electricity generating costs with environmental consideration. Economic growth has caused pollutant emission, and subsequent environmental pollution has been identified as a very real limit to sustainable development. Considering the enormous role of electricity in the national economy, it is thus very important to study the effect of environmental regulations on the electricity sector. Because power utilities need large investments during construction, operation and maintenance, and also require much construction lead time. Economic analysis is the very important process in the electric system expansion planning. In this study, the levelized generation cost method is used in comparing economic analysis of power plant utilities. Among the pollutants discharged of the electricity sector, this study principally deals with the control activities related only to $CO_2$, and $NO_2$, since the control cost of $SO_2$, and TSP (Total Suspended Particulates) is already included in the construction cost of utilities. The cost of electricity generation in a coal-fired power plant is compared with one in an LNG combined cycle power plant. Moreover this study surveys the sensitivity of fuel price, interest rate and carbon tax. In each case, this sensitivity can help to decide which utility is economically justified in the circumstance of environmental regulations.

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환경비용을 고려한 공공시설물의 환경경제성 평가 -국내 다목적댐 비상여수로 시설 사례연구 - (The Economic Efficiency Assessment of Infrastructure considering Environmental Cost - A Case Study of Emergency Spillway for Korean Multipurpose Dam -)

  • 권석현;김상범
    • 한국건설관리학회논문집
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    • 제8권3호
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    • pp.168-176
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    • 2007
  • 본 연구는 LCA(Life Cycle Assessment, 전과정평가) 개념을 바탕으로 공공 시설물의 환경성 및 경제성 평가를 위한 의사 결정시 유용한 정보를 제공하기 위하여 사례대상으로 선정된 다목적댐 비상여수로의 위치 및 형식별로 발생 가능한 환경오염물질에 대한 환경 비용을 예측하고자 하였다. 이를 위해 LCA 기 법 및 조건부가치측정 법(Contingent Valuation Method, CVM)의 이론을 고찰하고, 환경 비용 분석모델을 제안하였다. 제안된 공공시설물 환경비용 분석모델을 사례대상인 다목적 댐 비상여수로에 적용하기 위해 전과정 동안 발생하는 환경오염물질에 대한 환경부하량을 산출하고, 이를 비용으로 환산하여 환경비용을 예측하였고, 예측결과를 통하여 비상여수로의 환경경제성을 평가하고 친환경적이고 경제적 인 치적대안을 도출하였다.

여행비용접근법을 통한 대구 우방타워랜드의 편익가치 측정 (Estimation of Users대 Benefit Value for Woobang Tower Land in Taegu Using Travel Cost Method)

  • 김수봉;심애경;권기찬
    • 한국환경과학회지
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    • 제10권3호
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    • pp.173-178
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    • 2001
  • The aim of this paper is to evaluate users benefit values of theme park using Travel Cost Method with special reference to Woobang Tower Land in Taegu for the estimation of economic values. This research is mainly based on questionnaire survey of 100 users of the theme park. Socio-economic factors such as income, year of education, annual income, age and money(travel cost) are analysed from 5 residential areas of the respondents. Multiple regression analysis was used for the evaluation of annual number of park visitings based on the analysis. The regression model shows NV = $\alpha$+$\beta_1$TC+$\beta_2$INC+$\beta_3$EDU+$\beta_4$AGE (NV : Annual Number of Visitings, TC : Travel Cost, INC : Annual Income, EDU : Years of Education, AGE : Age). Regarding to visitors demand curve based on the equation showed that annual economic values of Woobang Tower Land was estimated as 50billion Korean Won.

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Reliability-based Life Cycle Cost Analysis for Optimal Seismic Upgrading of Bridges

  • Alfredo H-S. Ang;Cho, Hyo-Nam;Lim, Jong-Kwon;An, Joong-San
    • Computational Structural Engineering : An International Journal
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    • 제1권1호
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    • pp.59-69
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    • 2001
  • This study is intended to propose a systematic approach for reliability-based assessment of life cycle cost (LCC) effectiveness and economic efficiency for cost-effective seismic upgrading of existing bridges. The LCC function is expressed as the sum of the upgrading cost and all the discounted life cycle damage costs, which is formulated as a function of the Park-Ang damage index and structural damage probability. The damage costs are expressed in terms of direct damage costs such as repair/replacement costs, human losses and property damage costs, and indirect damage costs such as road user costs and indirect regional economic losses. For dealing with a variety of uncertainties associated with earthquake loads and capacities, a simulation-based reliability approach is used. The SMART-DRAIN-2DX, which is a modified version of the well-known DRAIN-2DX, is extended by incor-porating LCC analysis based on the LCC function developed in the study. Economic efficiencies for optimal seismic upgradings of the continuous PC segmental bridges are assessed using the proposed LCC functions and benefit-cost ratio.

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