• Title, Summary, Keyword: electricity industry

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A Study on Measures to Boost the Development of Distributed Generation through Analysis and assessment of the District Electricity Power Business Environment (구역전기사업의 환경분석을 평가를 통한 분산형전원개발 촉진방안에 관한 연구)

  • Kim, Soo-Chul;Yoo, Wang-Jin
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.7
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    • pp.1304-1312
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    • 2009
  • The purpose of this study is to build promotive measures and to develop alternative policies of DG(Distributed Generation) by finding and analysing effects of four business environment factors related to DEPB(District Electricity Power Business) on boosting DG. In this study, four business environment factors, which are the electric power industry restructuring, electricity tariff and pricing structure, regulations for DEPB, and conflicts of stake-holding groups, are considered as independent variables. And promotion factors of DG including small CHP(Combined Heat and Power) generation, which is outcome of DEPB, are considered as dependent variables. But dependent variables including booming of new renewable energy generation due to green energy pricing incentives, the electric power industry restructuring, and electricity tariff and pricing policies were separatively considered. In this study, some policies were proposed reflecting research results of empirical demonstrative analysis, previous studies, overseas cases, etc.

Overview of Long-tern Electricity Demand Forecasting Mechanism for National Long-term Electricity Resource Planning (전력수급기본계획 수립위한 장기 전력수요 예측절차)

  • Kim, Wan-Soo;Jeon, Byung-Kyu
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.59 no.9
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    • pp.1581-1586
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    • 2010
  • Korea Power Exchange has successfully performed the Long-term Electricity Demand Forecasting. Recently there is a lot of change in electricity industry sector; the national master-plan for green gas emission reducing, rise of smart-grid, and new trend of electricity consumption, and it is becoming painful challenging for demand forecasting. In new circumstance the demand forecasting is required more flexible and more accurate.

Temperature Effects on the Industrial Electricity Usage (산업별 전력수요의 기온효과 분석)

  • Kim, In-Moo;Lee, Yong-Ju;Lee, Sungro;Kim, Daeyong
    • Environmental and Resource Economics Review
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    • v.25 no.2
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    • pp.141-178
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    • 2016
  • This paper, using AMR (Automatic Meter Reading) electricity data accurately measured in real time, analyses the characteristics and patterns of temperature effect on the industrial electricity usage. For this goal, the paper constructs and estimates a model which captures the properties of AMR time series including long-term trends, mid-term temperature effects, and short-term special day effects. Based on the estimated temperature response function and the temperature effect, we categorize the whole industry into two groups: one group with sharp temperature effect and the other with weak temperature effect. Furthermore, the industry group with sharp temperature effect is classified into a summer peak industry group and a winter peak industry group, based on the estimates of the temperature response function. These empirical results carry practical policy implications on the real time electricity demand management.

Economic Welfare Study on Seasonal and Time Period Electricity Pricing (계시별 전력가격에 대한 경제적 후생 연구)

  • Yoo, Young-Hoon;Kim, SungSoo
    • Environmental and Resource Economics Review
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    • v.14 no.2
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    • pp.519-547
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    • 2005
  • The aim of this study is to analysis how economic welfare lost happens within the present korea seasonal and time period electricity pricing system and find out reasonable electricity price system acceptable during the transitional period of korea electricity industry restructuring To analyze economic welfare lost in the electricity industry, in advance seasonal and time periodic 9 demand curves(summer, spring &fall, winter/peak-load time, middle-load time, low-load time) and one market supply curve are made and then using these demand and supply curve, seasonal and time periodic market equilibrium prices is calculated. Finally, comparing these market equilibrium prices with present regulated classified seasonal and time periodic prices, the whole economic welfare lost in the electricity industry is calculated. The result of this study shows that in 2002, the total economic welfare lost in electricity industry is 137,770 million Won and under present price system, the worst welfare lost is happening seasonally in spring & fall, time periodically in the middle-load time. Specifically analyzing the characteristics of welfare lost, especially on the industry customers and service customers which are applied in seasonal and time periodic pricing, for the industry customers, the welfare lost calculated in this class occupies 51% of the total welfare lost in the whole electricity industry and the worst welfare lost is happening seasonally in spring & fall, time periodically in the middle-load time. For service customers, the welfare lost calculated in this class occupies 13% of the total welfare lost in the whole electricity industry and the worst welfare lost is happening seasonally in summer, time periodically in the peak time Finally, this study was made based on the year of 2002 and KEPCO has practiced two times of rate change until now. The result of rate change was positively analyzed in the direction of economic welfare improvement(welfare improvement achieved by 16.3% compared to 2002 result).

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A Study on the Changing Factors of the Electricity Consuming Pattern in accordance with the change in the Economic Growth Structure (경제성장 구조변화에 따른 전력소비 변화요인 연구)

  • Rhee, Sang-Chul
    • Proceedings of the KIEE Conference
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    • pp.151-155
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    • 2005
  • An electricity consumption is closely related to the economic growth structure. The change of economic growth structure affects the pattern of electricity consumption widely and severely. This paper gives that the primary changing factors of electricity growth are economic growth, change of industry structure(the change of electricity consumption ratio in case of residential sector), and the effect of electricity saying. It gives a model to analyze the influence of GDP to the change of electricity consumption patterns by sector through the period of pre and post 1998(IMF, financial crisis) to observe the contribution of each factor to the growth of electricity demand. It is anticipated that this study shows the feasible scheme of economic structure to become the developed country.

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A Study of Restructured Residential Electricity Pricing toward the Competitive Power Market (경쟁체제 도입시 주택용 전기요금개선에 관한 연구)

  • Kim, Min-Jeong
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.63 no.7
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    • pp.889-895
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    • 2014
  • Korea electric power industry had been under vertical monopoly but is typically getting restructured for free competition. An ideal pricing system under the competitive market system is 'unbundled pricing system' and 'marginal pricing system', but the current pricing system still adheres to the traditional bundled system and the average cost pricing system. Especially, progressive electricity rates for residential use reflect governmental policy-making which is focused on income redistribution & welfare, industrial supports and energy saving. This study proposes new and reasonable residential electricity pricing systems which are Time-Of-Use (TOU) and Real-Time Pricing (RTP) to reflect variations in the wholesale price of electricity. It also presents examples of various tariffs for residential electricity pricing systems.

Empirical Analysis on the Industrial Productivity in the Electricity·Gas·Water Service Sector

  • Zhu, Yan Hua;Kang, Joo Hoon;Park, Sehoon
    • Journal of the Korea Industrial Information Systems Research
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    • v.20 no.4
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    • pp.25-37
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    • 2015
  • The early studies indicated that the firm with monopoly power is likely to engage in X-inefficiency such as a managerial slack. The reflection of the X-inefficiency theory has led to the issue that the public sector may be more inefficient than the private sector. In Korea like other many countries the electricity gas water service which can be considered as natural monopoly have been provided mostly by the public sector. In order to provide the empirical evidence to the argument that the public sector may be more inefficient than the private sector this paper estimated the four types of Solow residual which is called the total factor productivity in the electricity gas water service industry with the associated empirical model and compared its productivity with one in the manufacturing industry. The empirical results do not support the argument that the public sector may be more inefficient or less productive than the private sector.

Solar power and desalination plant for copper industry: improvised techniques

  • Sankar, D.;Deepa, N.;Rajagopal, S.;Karthik, K.M.
    • Advances in Energy Research
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    • v.3 no.1
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    • pp.59-70
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    • 2015
  • In India, continuous production of electricity and sweet/potable water from Solar power and desalination plant plays a major role in the industries. Particularly in Copper industry, Solar power adopts Solar field collector combined with thermal storage system and steam Boiler, Turbine & Generator (BTG) for electricity production and desalination plant adopts Reverse osmosis (RO) for sweet/potable water production which cannot be used for long hours of power generation and consistency of energy supply for industrial processes and power generation cannot be ensured. This paper presents an overview of enhanced technology for Solar power and Desalination plant for Copper industry making it continuous production of electricity and sweet/potable water. The conventional technology can be replaced with this proposed technique in the existing and upcoming industries.

New Businesses and Challenges related to Japan's Electricity System Reform (일본 전력시스템개혁에 따른 지능형 사업 발전과 도전과제)

  • Park, Chan-Kook;Kim, Yang-Soo
    • Journal of Digital Convergence
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    • v.13 no.9
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    • pp.1-9
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    • 2015
  • The Japanese government has carried out the power industry reform in three phases to supply power stably, control the rise of electricity tariff, and expand consumer choices. The reform of the Japanese electric power industry fosters new kinds of businesses as well as changes the competitive structure in which the enterprises participating electricity business compete. However, for the power industry restructuring to be done smoothly, the accompanying tasks should be carried out. Korea has also been devoting a lot of efforts to cultivate various types of new industries based on the convergence of energy and information and communications technology. If there are the same kinds of new industries between the two countries, the progresses of the industries can be compared to each other over a period of time.