• Title/Summary/Keyword: new & Renewable Energy

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Analysis of the Factor of Renewable Energy Consumption in Korea, China and Japan (한.중.일의 신재생에너지 소비량 결정 요인 분석에 관한 연구)

  • Jeon, Mi-Hwa;Jang, Woon-Jeong;Kim, Yoon-Kyung
    • New & Renewable Energy
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    • v.6 no.3
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    • pp.13-21
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    • 2010
  • This paper analyzes the factors of renewable energy consumption in Korea, China and Japan. We consider renewable energy consumption per capita as dependent variable, GDP per capita, $CO_2$ emissions per capita and real oil prices as independent variables. To analyze this model, this paper uses three econometric methods such as OLS, fixed effect model and panel GLS, utilizing data from 1990 to 2006 in Korea, China and Japan. According to the results by OLS for each country, an increase in GDP per capita or $CO_2$ emissions per capita or oil prices leads to an increase in renewable energy consumption. According to the results by fixed effect model, an increase in GDP per capita or $CO_2$ emissions per capita leads to an increase in renewable energy consumption. And real oil prices do not have a significant impacts on this model. According to the results by panel GLS, an increase in real GDP per capita as a proxy of income leads to an increase renewable energy consumption. And both $CO_2$ emissions per capita and real oil prices do not correlated closely with renewable energy consumption. Thus oil is not substituted to renewable energy in Northeast asian countries.

A Study on Correlation between Busbar Electrodes of Heterojunction Technology Solar Cells and the Peel Strength (실리콘 이종접합 태양전지의 버스바 전극 두께와 접합강도의 상관관계)

  • Da Yeong Jun;Jiyeon Moon;Godeung Park;Zulmandakh Otgongerel;Hyeryeong Nam;Oryeon Kwon;Hyunsoo Lim;Sung Hyun Kim
    • Current Photovoltaic Research
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    • v.11 no.2
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    • pp.44-48
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    • 2023
  • In heterojunction technology (HJT) solar cells, low-temperature curing paste is used because the passivation layer deteriorates at high temperatures of 200℃ or higher. However, manufacturing HJT photovoltaic (PV) modules is challenging due to the weak peel strength between busbar electrodes and cells after soldering process. For this issue, the electrode thicknesses of the busbars of the HJT solar cell were analyzed, and the peel strengths between electrodes and wires were measured after soldering using an infrared (IR) lamp. As a result, the electrodes printed by the screen printing method had a difference in thickness due to screen mask. Also, as the thickness of the electrode increased, the peel strength of the wire increased.

Impact of Community Investment Renewable Development Project on the Local Economy: Aspects of Residential Income and Local Company Revenue (주민참여형 재생에너지 개발의 지역경제 기여효과: 주민소득과 지역기업 매출을 중심으로)

  • Kim, Yunsoung;Yun, Seonggwon;Im, Hyunji;Yun, Taewhan
    • New & Renewable Energy
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    • v.17 no.1
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    • pp.61-75
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    • 2021
  • Power generation using solar PV and wind power are more feasible to compete with fossil fuel power generation. However, residential acceptance is still a big challenge in the deployment of renewable energy. The Korean government has implemented various policies to support the development of renewable energy in which communities invest. However, there are very few cases of the commercial operation of community-invested renewable energy power plants. Renewable energy has attracted attention in the reduction of greenhouse gasses (GHG) effects and economic feasibility. However, it is also necessary to focus on socio-economic effects to overcome the economic recession while reducing greenhouse emissions. Community-invested renewable energy development projects can positively revitalize the local economy in many aspects, such as resident income, job creation, and the growth of local businesses. This study analyzes the local economic impact of renewable energy development projects on residents' income and job creation. It increased local companies' sales through community-invested development projects in Korea.

The Socio-technical Constituency behind New & Renewable Energy Technology Development in a Latecomer: The Case study of New & Renewable Technology Program of Korea (후발국 신재생에너지기술개발의 동력: 한국의 신재생에너지기술개발사업 사례연구)

  • Lim, Hong-Tak;Kim, Sin
    • Journal of Energy Engineering
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    • v.20 no.4
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    • pp.267-277
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    • 2011
  • The study looks at the development of new & renewable technology in a latecomer country, Korea. The main question is whether the development is driven by 'green demand' from the people or by the 'growth demand' from the industry. It also asks what are the characteristics of socio-technical constituency behind the development of new & renewable energy technology; growth-centered or environment-centered. It is found out that a 'New & renewable energy technology socio-techical constituency', consisted of NGOs, industry and government in the form of membership to New & Renwable Energy Policy Council of the government program, was established driving the development of new & renewable energy technology development in Korea. Yet, the coalition among them was based on 'the desire for growth' rather than 'the concern for environment'. The changes in authoritarian development state such as the adoption of governance approach to public decision-making process also contributed to the formation of the constituency.

Evaluation of the Economic Values and Optimal Deployment Timing of R&D Investment in New and Renewable Energy Using Real Option Approach (실물옵션을 이용한 신재생에너지 R&D의 경제적 가치 및 최적 적용시점 평가)

  • Kim, Kyung-Taek;Lee, Deok-Joo;Park, Sung-Joon
    • Journal of Korean Institute of Industrial Engineers
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    • v.38 no.2
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    • pp.144-156
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    • 2012
  • In recent years, advanced countries in energy sector are emphasizing the importance of the development and deployment of renewable energy to cope with the global environmental crisis such as depletion of fossil energy, climate convention to control emissions of greenhouse gases. In this paper, we evaluate the economic value of the investment in new and renewable energy R&D in Korea and optimal deployment timing of new and renewable energy by using the real option approach. The real option model adopted in this paper assumes that a decision maker has a compound option to abandon, deployment, or continue the R&D. As a result by using empirical data of Korea, it is found that there exists a considerable amount of positive real option value (ROV) in the investment of new and renewable energy R&D while its net present value (NPV) calculated by traditional discounted cash flow (DCF) model shows negative value.

Review of Wind Energy Publications in Korea Citation Index using Latent Dirichlet Allocation (잠재디리클레할당을 이용한 한국학술지인용색인의 풍력에너지 문헌검토)

  • Kim, Hyun-Goo;Lee, Jehyun;Oh, Myeongchan
    • New & Renewable Energy
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    • v.16 no.4
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    • pp.33-40
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    • 2020
  • The research topics of more than 1,900 wind energy papers registered in the Korean Journal Citation Index (KCI) were modeled into 25 topics using latent directory allocation (LDA), and their consistency was cross-validated through principal component analysis (PCA) of the document word matrix. Key research topics in the wind energy field were identified as "offshore, wind farm," "blade, design," "generator, voltage, control," 'dynamic, load, noise," and "performance test." As a new method to determine the similarity between research topics in journals, a systematic evaluation method was proposed to analyze the correlation between topics by constructing a journal-topic matrix (JTM) and clustering them based on topic similarity between journals. By evaluating 24 journals that published more than 20 wind energy papers, it was confirmed that they were classified into meaningful clusters of mechanical engineering, electrical engineering, marine engineering, and renewable energy. It is expected that the proposed systematic method can be applied to the evaluation of the specificity of subsequent journals.

The demand expanding strategy of new and renewable energy (신재생에너지 산업화 촉진을 위한 모색)

  • Kim, Jong-Kwon
    • Proceedings of the Safety Management and Science Conference
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    • 2007.11a
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    • pp.493-502
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    • 2007
  • The oil consuming country, Korea is spending amount to 220bn barrel per day. It is higher-ranked as 8th country among oil consuming country. France, Brazil, Italia, Spain have recorded GDP than it of Korea. But, the oil consuming of Korea is more than it of them. The GDP of Korea is ranked 11th country, based on 2005. But Korea is higher-ranked as 8th country among oil consuming country. The new and renewable energy as alternative of oil is first measurement. But, the supply of new and renewable energy is inactive 2.13% among total energies. The economist prospects about 1bn job creation during the ten years through new and renewable energy. The merit of new and renewable energy is capital intensive and higher valuable industry.

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Development of Evaluation Model for the Korean New & Renewable Energy Policies : Focusing on RPS & FIT (한국의 신재생에너지 정책의 평가모델 개발 : RPS 및 FIT를 중심으로)

  • Kim, Jong-Jae;Hwang, Chan-Gyu;Moon, Chae-Joo
    • The Journal of the Korea institute of electronic communication sciences
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    • v.8 no.9
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    • pp.1333-1342
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    • 2013
  • New & renewable energy becomes a crucial subject to solve the problems inherent in the current energy resources, which results in the fast development of the new & renewable energy industry worldwide. However, not only its base is still weak but the high initial investment for technology development and certain scale of an energy market are required in many cases. For this reason, many countries in the world, including Korea, run the energy policies to foster the new & renewable energy industry such as RSP and FIT. In general, a policy should be established to take various, intertwined interests as well as a number of variables related to economic, social, environmental, and international matters into comprehensive consideration. For new & renewable energy industry, there are many variables to be considered and indexes necessary for evaluation but it is hard to take all of them into account. Even though they were considered, no criteria are available for use in a consistent manner. Therefore, this study plans to develop an evaluation model for the Korean new & renewable energy policy.

Willingness-to-pay for the Use of Renewable Energy by Experts (신재생에너지분야 전문가의 지불의사액 조사 연구)

  • Lim, So-Young;Heo, Eun-Nyeong
    • New & Renewable Energy
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    • v.4 no.4
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    • pp.44-49
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    • 2008
  • This study uses contingent valuation method (CVM) to elicit willingness to pay monthly for electricity or heating produced by renewable energy (RE). The experts who participated in the conference of the Korean Society for New and Renewable Energy in May of 2008 were asked to answer the questionnaires: how much would you be willing to pay monthly to receive electricity (or heating) generated by RE? We find some evidence that the respondents have higher willingness to pay for RE electricity than RE heating even if the average electric bills were lower than the heating bills. The respondent who belongs to a large family and has a good opinion of RE tends to show high willingness to pay for both RE electricity and RE heating.

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