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Artykuły w czasopismach na temat "MINISTRY OF NEW AND RENEWABLE ENERGY (MNRE)"

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Panda, Pradeep. "Evaluation of Information and Public Awareness Programme of MNRE in India". Pacific International Journal 4, nr 2 (31.12.2021): 43–49. http://dx.doi.org/10.55014/pij.v4i2.4.

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The Information & Public Awareness (I&PA) Programme of the Ministry of New and Renewable Energy (MNRE) has been existing since the inception of the Ministry in 1992. The programme is being implemented as a central sector scheme with full funding from the central budget. The Ministry uses variety of media like electronic, print and outdoor publicity through exhibitions, bus panels, hoardings, kiosks, paintings and other outdoor media activities for popularization of new and renewable energy systems and devices throughout the country. The Ministry participates in different Districts, States and National level exhibitions mainly through State Nodal Agencies (SNAs). With the analytical frame of reference, the study has taken into account mixed approaches to suitably take the feedback of stakeholders. In the study, the purpose was to analyze the progress of programme at all India level. Accordingly, data and information were collected through survey method and participatory discussion with target groups i.e. rural women, farmers (solar pumps), rooftop solar users, other sources of renewables, etc. There were several meetings with renewable energy beneficiaries/potential users and agencies created at State/district level to implement ministry’s scheme. Both quantitative and qualitative information have been garnered. The evaluation study attempts to assess the impact of I&PA and to identify specific bottlenecks in implementation and optimum levels of support needed for effective implementation. It is found that the implementation of I&PA Programme is meeting the desired objectives. Awareness about the scheme is found among the state governments and public in the field. Thus, the scheme has largely been effective in the promotion of renewable energy, in its overarching objectives.
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Suman Dahiya i Priti Prabhakar. "Recapitulation of Renewable Energy Generation in India". International Journal of Research in Informative Science Application & Techniques (IJRISAT) 3, nr 1 (10.01.2019): 56–62. http://dx.doi.org/10.46828/ijrisat.v3i1.55.

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Renewable energy sources and technologies are the eco-friendly keys to the sustainable growth of a country. India has abundant supply of renewable resources. It has one of the leading programs in the world for deploying and developing renewable energy products and markets. An exclusive ministry, the Ministry of New and Renewable Energy (MNRE) launched as one of the world’s largest and ambitious programs on renewable energy developments in the year 1992. Since then, the government designed policies/schemes for conducive environment to furnish foreign investments and ramp up the renewable energy market at a rapid rate. India has an estimated potential of 900 GW for electricity generation from renewable energy (RE). The goal set by the government for capacity addition from REbased electricity generation is 175 GW by 2022. This paper is an attempt to provide an overview of India’s renewable power sector at a glance. Efforts have been made to highlight the current status, major achievements, ongoing and future plans of renewable expansions in the country.
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Ghosh, Moumita, i Achiransu Acharyya. "Solar Energy Adoption in India: A Comparative Analysis across States with a focus on West Bengal". Praxis International Journal of Social Science and Literature 6, nr 5 (25.05.2023): 78–87. http://dx.doi.org/10.51879/pijssl/060510.

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Solar energy development is paramount for India to achieve environment-friendly energy and fulfil sustainable development goals. It will help reduce the country’s energy demand and supply gap. The Ministry of New and Renewable Energy (MNRE) and NITI AAYOG are working together to achieve the alternative energy requirement through solar power. The government of India set the target in 2015 to reach 175 GW of renewable energy by 2022 and 100 GW only from solar power. In line with the Central Government, the states should develop policies to promote solar energy to meet the target. Under the circumstances, this paper attempts to compare the approaches taken by different states in the country and compare such policies to see where West Bengal is falling behind and to discover the barriers and challenges to solar power development in West Bengal.
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Mohana Krishnan, S., Saurav Rawat, M. Surender, R. Balakrishna i R. Anandan. "Implementing an Energy Calculator in a Mobile Based Application for Solar Potential Measurement". International Journal of Engineering & Technology 7, nr 3.6 (4.07.2018): 403. http://dx.doi.org/10.14419/ijet.v7i3.6.16012.

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Solar photovoltaic (PV) technology has matured to become a technically viable large scale source of sustainable energy. Understanding the rooftop PV potential is critical for utility planning, accommodating grid capacity, deploying financing schemes and formulating future adaptive energy policies. The NIWE (National Institute of Wind Energy) under MNRE (Ministry of New and Renewable Energy) is an esteemed institute dedicated to Indian wind and solar renewable energy generation and monitoring. The SRRA (Solar Radiation and Resource Assessment) is a division under NIWE that is responsible for solar energy monitoring throughout India. They have created the Solar Radiation Map of India using high quality, ground measured solar data. This asks the question, whether it is possible to get a quick estimate of a solar installation. Thus, the paper explains the problems in the field of solar potential measurement and the deployment of a calculator in a mobile front platform. The mobile app would quickly and effortlessly give a rough estimate on what a solar installation could save in power consumption costs.
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Dutt, Nitesh, i M. P. Sharma. "Potential of Renewable Electricity from Biomass Waste of IIT Roorkee Campus, India". Hydro Nepal: Journal of Water, Energy and Environment 9 (20.11.2012): 38–43. http://dx.doi.org/10.3126/hn.v9i0.7071.

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Abstract: Electricity production using conventional energy sources is associated with serious environmental problems like emission of pollutants, global warming and social problems. The world’s CO2 emissions are projected to rise from 29.0 billion MT in 2006 to 33.1 billion MT in 2015 and 40.4 billion MT in 2030. This increase in emissions indicates more global warming. The Indian Ministry of New and Renewable Energy (MNRE) has been supporting programs for the development of renewable energy sources which are not only unlimited but environmentally friendly — like biomass, solar, small hydro, wind, etc. If biomass is used sustainably, there is no net carbon emission over the time of a cycle of biomass production.Waste management is an important issue today. To handle the ever growing problem of waste, residents and companies are constantly looking for the best and least expensive methods. Types of waste generated by the Indian Institute of Technology Roorkee (IITR) include kitchen waste, municipal solid waste, sewage waste, and waste cooking oil. By utilizing biodegradable waste out of total waste clean energy can be generated and waste disposal problems solved.DOI: http://dx.doi.org/10.3126/hn.v9i0.7071 Hydro Nepal Vol.9 July 2011 38-43
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Samsher, Kadir Sheikh, i Jain Manish. "Bagasse-Based Sugar Cogeneration Potential in India: A Source of Renewable Energy". i-manager's Journal on Power Systems Engineering 10, nr 3 (2022): 1. http://dx.doi.org/10.26634/jps.10.3.19177.

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India has been suffering from an acute shortage of electricity for several decades. The main reason is that there is a large gap between the demand and supply of electricity. Therefore, the government of India has recently promoted cogeneration in the sugar industry. The national power generation potential from bagasse cogeneration, according to the Ministry of New and Renewable Energy (MNRE), a study by the Government of India, is about 3,500 MW, while Maharashtra's potential is 1,250 MW. Indian Sugar Industries has the potential to produce an excess capacity of up to 5,000 MW in all sugar mills. Maharashtra again became India's leading sugar-producing state five years later. It overtook Uttar Pradesh in sugar production. The total sugar production in Maharashtra is 138 thousand metric tonnes for 2021–2022. In India, the sugar industry is the second-largest agro-industry and contributes significantly to the socioeconomic development of the country. Sugarcane is the main raw material for sugar production in India. Sugar cogeneration is the concept of producing two types of energy from one fuel. One form of energy must always be heated, and the other may be electricity or mechanical energy. In the cogeneration industry, very high-efficiency levels in the range of 75% to 90% can be achieved.
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RAY, ASHOK KUMAR, SUJOY ROY i SUSAPTA GHOSH. "Establishment of Grid Connected Solar Photovoltaic Power Plant on Rooftop of CSIR- Staff Quarter Building - Scientific and Industrial Research Scientist Apartment (SIRSA)". Material Science Research India 16, nr 1 (20.04.2019): 14–36. http://dx.doi.org/10.13005/msri/160104.

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This paper highlights the recenttrends followed by CSIR- Central Glass & Ceramic Research Institute (CGCRI) in establishing Solar Photo-Voltaic Power Plants. This work is aimed at meeting up the conventional energy scarcity at CSIR-CGCRI, SIRSA Campus and developing clean/green energy in order to compensate the global challenges of energy scarcity, climate change and renewable energy development.Abiding by the scheme of Jawaharlal Nehru National Solar Mission (JNNSM) under the aegis ofMinistry of New & Renewable Energy (MNRE), CSIR-CGCRI has implemented Solar Roof-top Grid connected Power Plant at SIRSA Residential staff quarter since February 2014 with the capacity of 37.5KWp (as per agreement). From September 2017, CSIR-CGCRI hasfurther enhanced the capacity to 100.5KWp (as per agreement). Results revealed that there is a stable growth of solar power energy generation. Keeping this in mind, the work pertains to the basic objectives of achieving reduction in carbon food printin line with clean energy generation which leads to reduction in air-pollution and global warmingand at the same time conservation of conventional resources, which is getting reduced day-by-day.Nevertheless, the solar energy generated would eventually lessen the amount of energy purchased from the local Distribution Company (DISCOM) which would benefit our organisation economically.
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Akmal, Muhammad Ikramullah. "ORGANIZATIONAL TRUST IN NEW RENEWABLE ENERGY POLICY IMPLEMENTATION IN INDONESIA". Publik: Jurnal Manajemen Sumber Daya Manusia, Administrasi dan Pelayanan Publik 10, nr 2 (26.05.2023): 655–63. http://dx.doi.org/10.37606/publik.v10i2.617.

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Implementation of new renewable energy policies is an important issue in climate change. In its implementation, trust between organizations is needed in achieving effective policy performance, considering that the policy is a cross-sectoral policy. This study uses a qualitative approach, data collection methods include observation, in-depth interviews and documentation studies. The informants in this study include cross-sectoral policy makers where the key informants are in the Ministry of Energy and Mineral Resources. Data sources include primary and secondary data. Data analysis using interactive data analysis. Where these various stakeholders have the ability and can be relied upon in managing new and renewable energy in Indonesia but still need to be improved. Where is the obedience then? Agreement designed to implement new renewable energy policies in Indonesia. Related to the motives of these stakeholders, normatively they have a common interest, namely to increase the production of new and renewable energy by starting to abandon conventional energy. Finalist the commitment and political will of the stakeholders required to be consistent in implementing new renewable energy policies.
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Hadi, Sudharto Prawata, Bulan Prabawani i Hartuti Purnaweni. "Environmental and social issues on energy policy in indonesia". E3S Web of Conferences 73 (2018): 02002. http://dx.doi.org/10.1051/e3sconf/20187302002.

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One crucial problem faced by Indonesia is the dependence on fossil energy reaching to 93,3%, while the share of renewable energy is only 7,7%. This causes two implications. Firstly, Indonesia is at the situation of insecurity energy due to the limitation of the availability of fossil energy. Since 2004, Indonesia is net importer oil country. Secondly, the use of fossil energy creates CO2, a component of green house gases stimulating global warming and climate change. One strategy to deal with this problem is by implementing new energy system consisting of developing renewable energy and energy efficiency. This paper observes the impact of the use of fossil energy, the measures taken to deal with these problems and the issues of implementing the measures. This research relies on secondary data available at the Ministry of Energy and Mineral Resource, Ministry of Environment and Forestry specifically at by Proper Secretariat, and other relevant sources.
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Seminario-Córdova, Renzo, i Raúl Rojas-Ortega. "Renewable Energy Sources and Energy Production: A Bibliometric Analysis of the Last Five Years". Sustainability 15, nr 13 (4.07.2023): 10499. http://dx.doi.org/10.3390/su151310499.

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Humanity has undertaken actions to decarbonize the main CO2-emitting industries, such as the energy industry. The solution to this problem has been to use renewable energy sources, with positive results in recent years. The objective of the present research was to analyze the scientific advances produced in research on renewable energy and energy production globally during the years 2019 and 2023. The purpose was to determine the current status and future trends in renewable energies in order to contribute to the scientific community by identifying potential risks and encouraging collaboration between authors, institutions, and countries. A bibliometric analysis was performed in the Scopus database using the keywords “renewable energies” and “energy production” within a search equation with a time limit of 2019 and 2023. Keyword co-occurrence and collaboration between authors and countries were performed with VOS Viewer software. It was determined, using per capita research analysis, that the leaders in this research were Cyprus, Denmark, Qatar, Norway, and Ireland. The leading institutions in this field of research are the Technical University of Denmark; Aalborg University; and the Ministry of Education, China. The predominant research topics were energy, engineering, and environmental sciences, related to energy sources such as biomass, hydrogen, or wave energy. The results described here have the potential to contribute to the scientific community, stimulating new research and identifying new needs in the existing literature.
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Rozprawy doktorskie na temat "MINISTRY OF NEW AND RENEWABLE ENERGY (MNRE)"

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PRIYADARSHINI, MONICA. "STATUS OF RENEWABLE ENERGY IN INDIA AND A CASE OF FINANCING VIABILITY OF WIND ENERGY PROJECT". Thesis, DELHI TECHNOLOGICAL UNIVERSITY, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18343.

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Indian Power sector is in a period of transition, spurred by the governments’ mega target of installing 175 Giga Watt (GW) of renewables by 2022, the world's largest renewable energy capacity expansion plan, out of which 100 Giga Watt from solar and 60 Giga Watt will be from wind energy. India ranks fourth in wind energy, fifth in terms of renewable energy. India is the only country which have an exclusive ministry for renewable energy i.e. Ministry of New and Renewable Energy (MNRE). Renewable Energy Sources Installed capacity has grown substantially from 34 GW in 2014 to 87 GW in 2020. In recent years, the percentage of renewables has increased in total installed capacity. In 2013-2014, the contribution was 12.92%, rising to 23.5% by March 2020. Wind and solar energy are the major contributors in the enhanced capacity of renewables. Wind is one of the largest RE source in India, based on mean annual wind power density. States with high wind power potential are Gujarat, Tamil Nadu, Maharashtra Andhra Pradesh, Karnataka, Kerala and Madhya Pradesh. With an installed capacity of 37.69 GW (Mar 20) of wind energy, Wind Energy holds the major portion of 43% of 87.03 GW (Mar-20) total RE capacity among renewable and continued as the largest supplier of clean energy. India as a tropical country is blessed with good sunshine in most of its parts and the number of clear days of sunshine a year is also quite high. According to MNRE, India receives annually solar energy equivalent to more than 5,000 trillion units. Hot and dry climate of the country with about 300 days of sunshine; making this area a great place to harness solar energy. “Jawaharlal Nehru National Solar Mission (JNNSM)” was launched in 2010 to support the growth of solar energy installations in India. Government came up with many schemes time to time to make renewable energy sector attractive to investors. Few such schemes/ incentives are Viability Gap Funding for solar projects, Generation based incentives for wind projects, MAT credit for RE projects, Accelerated depreciation for wind projects, Must run for Renewable energy projects etc. Approx. Rs 2,14,800 Crores investments has been made in Renewable energy sector since 2014 till Jul-2019. Private, PSU banks, NBFCs, Development banks etc are lending debt to renewable energy projects. Many Private Equity players are participating in the equity financing of these projects. Indian Renewable Energy Development Agency Limited (IREDA), a government enterprise, was set up in 1987 under MNRE to support financial assistance to renewable energy projects. As per MNRE, country needs approx. Rs 4 Lakh Crores investment to achieve target of 175 Giga Watt of Renewable Energy Installations. Investments to this tune can only be made if it is a viable investment. In order to understand different viability parameters involved in the financing of renewable energy projects, a 100 MW wind energy project has been considered in this study. The project has a long term PPA at a tariff of 2.90 per unit for a period of 25 years. The estimated project cost (excluding Interest During Construction) is Rs 600 Cr to be funded in Debt : Equity ratio of 75:25. Financials have been worked out using excel tool. Financial modelling has been done to assess the viability parameters based on different assumptions. Further, to understand the risk factors involved in renewable energy projects, phase wise risk analysis has been done along with mitigation measures. Challenges have been explored to identify the gap in installation of renewable energy sources. Various recommendations have been suggested to overcome these challenges.
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Książki na temat "MINISTRY OF NEW AND RENEWABLE ENERGY (MNRE)"

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Kandt, Alicen. Indian Solar Cities Programme: An overview of major activities and accomplishments : preprint. [Golden, CO]: National Renewable Energy Laboratory, 2012.

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Części książek na temat "MINISTRY OF NEW AND RENEWABLE ENERGY (MNRE)"

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Kumar, Anurag, i Anurag Singh. "The Growing Need of Renewable Energy in India". W Computational Methodologies for Electrical and Electronics Engineers, 186–96. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3327-7.ch015.

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This chapter discusses the current situation of renewable energy and the growing need for renewable energy. The present and past research revealed that the Ministry of New and Renewable Energy has done a great job and heading India towards renewable energy, but this is not done yet. India has not only sufficient climate condition, but also a large surface area which set a good chance for India to lead in the renewable sector in the world. An effort has been made to summarize the current scenario, benefits, and recent development of renewable energy.
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Edwards, Peter P., i Vladimir L. Kuznetsov. "Sustainable hydrogen energy". W Energy... beyond oil. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199209965.003.0012.

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Hydrogen is the simplest and most abundant chemical element in our universe— it is the power source that fuels the Sun and its oxide forms the oceans that cover three quarters of our planet. This ubiquitous element could be part of our urgent quest for a cleaner, greener future. Hydrogen, in association with fuel cells, is widely considered to be pivotal to our world’s energy requirements for the twenty-first century and it could potentially redefine the future global energy economy by replacing a carbon-based fossil fuel energy economy. The principal drivers behind the sustainable hydrogen energy vision are therefore: • the urgent need for a reduction in global carbon dioxide emissions; • the improvement of urban (local) air quality; • the abiding concerns about the long-term viability of fossil fuel resources and the security of our energy supply; • the creation of a new industrial and technological energy base—a base for innovation in the science and technology of a hydrogen/fuel cell energy landscape. The ultimate realization of a hydrogen-based economy could confer enormous environmental and economic benefits, together with enhanced security of energy supply. However, the transition from a carbon-based(fossil fuel) energy system to a hydrogen-based economy involves significant scientific, technological, and socio-economic barriers. These include: • low-carbon hydrogen production from clean or renewable sources; • low-cost hydrogen storage; • low-cost fuel cells; • large-scale supporting infrastructure, and • perceived safety problems. In the present chapter we outline the basis of the growing worldwide interest in hydrogen energy and examine some of the important issues relating to the future development of hydrogen as an energy vector. As a ‘snapshot’ of international activity, we note, for example, that Japan regards the development and dissemination of fuel cells and hydrogen technologies as essential: the Ministry of Economy and Industry (METI) has set numerical targets of 5 million fuel cell vehicles and10 million kW for the total power generation by stationary fuel cells by 2020. To meet these targets, METI has allocated an annual budget of some £150 million over four years.
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Streszczenia konferencji na temat "MINISTRY OF NEW AND RENEWABLE ENERGY (MNRE)"

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Chung, Moon-Sun, i Jong-Won Kim. "Status and Issues of Hydrogen Energy R&D in Korea". W ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54010.

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In the era of fossil fuel shortage and soaring oil prices under the condition of severe environmental problems we are facing now, an increasing need for sustainable development of new energy technology as a substitute of fossil fuel has become an issue of great concern throughout the world. Most of energy consumed in Korea, over 96%, is imported from foreign countries, especially Middle East. Korea is now ranked the 10th energy consumed country in the world. That is why we are interesting in hydrogen economy. As a result, hydrogen and fuel cell technology was selected as one of economic growth engines for next generation, and strongly supported by Korea government. Also, the government set Hydrogen Economy Policy in 2005. There are four R&D programs on hydrogen and fuel cell in Korea. Two of them are supported by MEST (Ministry of Education, Science and Technology) and others are funded by MKE (Ministry of Knowledge Economy). The hydrogen production technologies examined in Korea cover 3 main bases, fossil fuel, renewable energy including bio-hydrogen technology, and nuclear power. In October 2003, Korean government launched Hydrogen Energy R&D Center (HERC) as a member of the 21st Century Frontier R&D programs supported by the Ministry of Education, Science and Technology (MEST). The HERC has conducted research on the key technologies for the production, storage, and utilization of hydrogen energy for expediting realization of hydrogen economy based on renewable energy sources. The main purposes of this paper are to overview the current status of research programs conducted by Hydrogen Energy R&D Center based on the patent applications as well as research topics and to introduce specific achievements in each research program.
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Shamsuddin, Abd Halim. "Malaysian Biomass Resources: Green Renewable Contribution in the National Energy Mix". W ASME 2010 Power Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/power2010-27333.

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Being a major agricultural commodity producer in the region Malaysia is well positioned amongst the ASEAN countries to promote the use of biomass as a renewable energy source in the national energy mix. The palm oil industry, the second largest in the world, has over 4 million hectares of plantation. The palm oil milling industry produces large amount of solid residues, the volumes of which for the year 2007 are: empty fruit bunches EFB (16.7 million tonnes), fruit fibres (12.2.million tonnes), and palm kernel shell (4.9 million tonnes). Besides the oil palm milling industry residues, other biomass contributors includes, the timber industry, rice industry and bagasse. These biomass residues, if fully utilized as fuel for power generation, would have the potential of annual generation of 31,900 GWh, with maximum generating capacity of 3,600 MW. Under the National Energy Policy set in 1979, three principal energy objectives, which are instrumental in guiding the future energy sector development, were established. These are Supply, Utilization and Environmental Objectives. In 2001, the beginning of the Eighth Malaysian Plan, Renewable Energy (RE) was regarded as the fifth fuel in the new Five Fuel Strategy in the energy supply mix. The target is that RE contributes 5% of the country’s electricity demand by the year 2005. Malaysia’s Five Fuel Diversification Policy provides the renewable energy policy guidance while the current grid-based small renewable energy programmes (SREP) and the renewable energy power purchase agreement (REPPA), embodies the national renewable energy strategy. To reinforce these policy instruments, the Malaysian Ministry of Energy, Green Technology and Water launched the National Green Technology Policy in the middle of 2009 that include Green Energy Technology. This paper presents the overall scenario of the Malaysia’s biomass resources, the status of biomass contribution to the nation’s energy mix, the challenges faced by the biomass promoters, and future research and development activities in developing optimized and efficient technologies at the Centre for Renewable Energy, Universiti Tenaga Nasional.
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Kuhn, Christian, Benedikt Bruns, Jan Fischer, Jörg Gattermann i Karl-Heinz Elmer. "Development of a New Underwater Piling Noise Mitigation System: Using Hydro Sound Dampers (HSD)". W ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83707.

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The aim of the recently published climate control by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU) is a reduction of the German greenhouse gas emissions down to 20 % in 2050, compared to the generated greenhouse gas in 1990. To reach the given target a huge growth in renewable energy is necessary. One of the most potential possibilities to produce renewable energy in Germany will be the installation of offshore wind turbines. During the installation of offshore wind foundations such as monopiles, tripods, tripiles and jackets, mostly large tubular steel piles are impact driven to final penetration depth. In the process of impact driving, considerable underwater sound emissions will appear. In recent times, peak sound pressure levels above 190 dB re 1 μPa have been measured at a distance of 750 m away from the installation ground. These peak sound pressure levels, produced during the installation of any kind of driven offshore foundation, is potentially harmful to marine life, in particular to marine mammals such as harbor porpoises, harbor seals or grey seals. To protect the marine life the German Federal Maritime and Hydrographic Agency (BSH) set the maximum allowed underwater sound pressure level to 160 dB (SEL) at a distance of 750 m away from pile driving. To reach the given target by the BSH a new underwater piling noise mitigation system using so called hydro sound dampers (HSD) is presently developed at the Institute for Soil Mechanics and Foundation Engineering at the Technische Universität in Braunschweig (IGB-TUBS). After small scale tests in the so called ‘large wave channel’ in Hannover a full scale test was performed in the Baltic-Sea some weeks ago. The results of the measurements are very promising, as a reduction of 12 up to 20 dB could be generated. Besides existing noise mitigation systems one of the main advantage of the hydro sound dampers is, that the mitigation can be pre-adjusted to a predefined frequency range, as marine mammals are sensitive only for a certain sound frequency range. In this paper, the results of the small and large scale tests and some new research findings concerning the shape and the material of the hydro sound dampers will be presented.
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