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Literature has highlighted the existence of a gap in clean fuel usage between the social groups in most emerging nations across the world, which is detrimental to global efforts to achieve Sustainable Development Goal (SDG) 7 (access to clean energy) and SDG 10 (reducing inequalities) and just energy transition with recognition justice. This paper, assesses the clean fuel gap across social groups in India using three rounds of representative data (2004, 2014, and 2018) by applying the logit model, exogenous switching treatment effect regression (ESTER), and the Blinder–Oaxaca Decomposition Model. Such an analysis is instrumental in identifying the clean energy usage gap and its causes, thereby providing insight to policymakers to design policies to achieve just energy transition and carbon neutrality by 2060. The results show a substantive clean fuel gap between social groups in India, which is a cause of concern for just energy transition. Clean energy utilization gaps among social groups are alarming across geographical locations and consumption quartiles, highlighting the importance of recognition justice for just energy transition. The results show that in rural areas, only 19.6 % of the General Caste households and 14.5 % of the disadvantaged social groups (Scheduled Tribes, Scheduled Castes, and Other Backward Class) in quartile one use clean energy, while in urban areas, the shares are 60.4 % and 46.3 %, respectively. To achieve a just distribution of the benefits of energy transition, energy policies should focus on disadvantaged social groups and simultaneously target General Caste households from a lower economic status and those residing in rural areas, indicating the need for targeting the neglected regions. [Display omitted] • Clean energy use has steadily increased among all social groups in India, indicating some improvement in energy justice. • Clean energy access gap among social groups has declined, but this gap still persists. • Scheduled Castes and Scheduled Tribes are the most disadvantaged social groups in terms of clean energy. • All social groups from low-income families have limited access to clean energy. • All social groups from households with low education have limited access to clean energy. [ABSTRACT FROM AUTHOR]

Fossil fuels such as coal, petroleum, and natural gas have been used as the major sources of energy in the recent past. However, the negative environmental impacts associated with the emission of the greenhouse gases from these conventional energy sources forced to realize the importance of renewable energy resources. At the same time, the average annual exponential rate of population growth in India needs increasing amounts of fresh-water for the basic necessities. This might result in water scarcity as the overall population in India is expected to increase to 1.60 billion by 2050. It has been forecasted that, by the year 2040, India will rank 40th in the world in terms of water scarcity. To meet the rising fresh-water demand, desalination is an intelligent and sustainable option for India, which has a very long coastline measuring 7517 km. In this paper, an attempt has been made to provide a comprehensive review of water scarcity in India and suggest a possible solution, which is implementing desalination technologies coupled with renewable resources. The paper reviews the ground water scenario in India and the global desalination market. We summarize the energy consumption in various desalination processes and provide a brief outlook of the desalination techniques in India. Apart from this, desalination using non-conventional sources such as solar, wind, and geothermal energy is discussed. In addition, factors affecting the environment due to desalination and the potential counter measures are presented. This review aims to provide an awareness of the projected water crisis in India, in the coming decades, and is also aimed to help the policy makers for selecting an appropriate desalination technology. [ABSTRACT FROM AUTHOR]

India has a high potential for technically recoverable biomass, sufficient to meet part of its increasing energy needs, promote energy access in rural and remote areas, create economic opportunities at the national scale, and reduce indoor pollution. Effective utilization of surplus biomass resources is often challenged and hindered by seasonal availability, extensive distribution over vast and distanced areas, and the embedded socio-cultural factors associated with its use. Therefore, the development of reliable maps for the assessment of available/surplus biomass resources is the first key step toward the creation of a new supply chain for cost-effective bioenergy production, particularly in developing countries. In this paper, a new methodological approach that combines primary and secondary data sets, social factors, remote sensing data, and software, such as GIS applications, has been developed. The main goal is to create high-quality, land use/land cover (LULC) maps for agricultural and wastelands in India. With an acceptable level of accuracy assessment, the paper also determines the surplus biomass resources in wastelands and municipal solid waste (MSW) distribution in three Indian states: Madhya Pradesh, Maharashtra, and Tamil Nadu. These states were selected due to the high level of agriculture production and thus high agro-biomass potential, the presence of large industrial agglomerations, and the high interest in bioenergy development in these states. The maps show that the highest surplus biomass from wastelands exists in Madhya Pradesh, while high MSW potentials exist in Maharashtra state. The developed maps considered the existing uses of biomass in order to calculate the surplus biomass resources. The presented maps are a useful tool to optimize the locations of biomass-based and/or co-generation power plants in the surveyed states. [ABSTRACT FROM AUTHOR]

This paper is an enquiry into the role of State policies in influencing wind installed capacity. The paper studies the impact of policies on deployment of wind potential across the States of India over two decades. Aggregate indices are computed for each of the seven wind resourceful States of India indicating attractiveness for installed capacity of wind energy. For computing the indices, four policies, Feed-in-Tariff, Renewable Purchase Obligation, Banking facility, and Wheeling charges are considered. Panel data techniques are then employed to investigate the impact of the policy differences on wind potential deployment over the 19 year period (1993–2012) after controlling for three State-specific factors. The controlling factors include per-capita income of the State, power deficit, and ratio of installed capacity of wind to geographic potential indicating unmet capacity. The results show that that policy index positively impacts wind deployment whether control variables are included or not. Moreover, the control factors like the per-capita income of the State and unmet capacity have positive influence over the investment in wind energy. [ABSTRACT FROM AUTHOR]

With 21,136 MW of wind energy installed in 2014, India is considered a success story in terms of net installed capacity. Few existing studies on Indian wind energy have highlighted the important role of institutions, and how they stemmed from the work of advocacy groups; studies also tend to focus on short time periods. This paper uses the notion of collective institutional entrepreneurship to analyze Indian wind energy across three time periods (1985–1995, 1995–2003, and 2003–2013). The analysis shows that Indian wind power development was driven by collective efforts of institutional entrepreneurs using two aggregated strategies, that is, supportive techno-economic and socio-political networks and an indigenous innovation infrastructure. The paper highlights setbacks, controversies, and tensions between various entrepreneurship groups and argues that actions must be taken for including actors who have been marginalized. [ABSTRACT FROM AUTHOR]

This paper presents planning and optimization of standalone DC microgrids for rural and urban applications in India. Load profiles in the form of a rural village, an urban residential building and a business organisation are considered for the study. Using these load profiles, different microgrid configurations with generation from PV, wind turbine and biodiesel generators are constructed. Optimization studies are then carried out using Homer Energy software to determine the optimal system configuration which has the lowest cost of energy. Historical data of hourly solar irradiation and wind speed were also used in the study to obtain a realistic result. A special case study for the rural scenario with a partial connectivity to the grid is also conducted which is reminiscent to the poor reliability of supply in India. The study also gives a detail comparison between the various cost components, electrical productions, energy management and emissions for each of these systems. The results of optimization show reasonable cost of electricity for reliable supply of power for the various load configurations as compared to the actual grid prices. [ABSTRACT FROM AUTHOR]

India's electricity requirements will continue to grow with its increasing population and urbanization. Climate change, increased carbon emissions, and the depletion of nonrenewable energy resources have forced India to shift to renewable energy resources. India's solar potential is large enough to provide 100-percent of its current electricity requirements if photovoltaic arrays and energy storage infrastructure of sufficient size is deployed. In this paper, we modeled the dynamics of net electricity input and output from a photovoltaic electricity (PV) system as it is built out to provide the entire electricity demand by 2050. The results showed that building a PV system large enough to meet the nation's entire electricity demand by 2050 is possible; however, it will require a rapid increase in the deployment of solar PV and the associated storage infrastructure over the next few decades. Such rapid expansion of the PV system will require substantial electricity allocation away from general societal use and towards building the photovoltaic system equipment and integrating it with existing infrastructure. This will lead to a short-term lack of electricity supply for general use by society. [ABSTRACT FROM AUTHOR]

In the last decade the demand of power in India has increased manifold, therefore Government has announced the National Solar Mission of generating 100 GW of solar power up to 2022. Around 60% of the total National Solar Mission target is allotted to the national/international large-scale solar power developers/investors. Hence, it becomes important to know the ground reality of large-scale solar PV developers/investors. This paper deeply analyzes the key barriers and bottlenecks faced by solar power developers in achieving the target and their growth. This article also suggests some motivational factors of solar energy which play an important role in attracting large solar players around the world to invest in Indian subcontinent. It concludes by highlighting some key policies of the Government that can help in addressing some identified barriers in order to ensure a secured sustainable energy future of India. [ABSTRACT FROM AUTHOR]

As the world's fastest growing major economy and home to nearly one-fifth of the worlds population, India a vibrant democracy is in the midst of a profound transformation and rapid urbanization. Urbanization improves the quality of life of people while promoting economic growth; however it also increases energy consumption and is capable of generating an energy crisis. Urbanization has a significant impact on Carbon Dioxide (CO 2 ) emissions as well. This paper empirically investigates the temporal, dynamic and causal relationships between urbanization, energy consumption and emissions. The study also aims to understand the urbanization process in India, in terms of the level and tempo of urbanization and the urban growth morphology, by utilizing the census data of 1901–2011. The rise in energy consumption and resulting emissions in the context of rapid urbanization is also reviewed. To address these problems the study recommends a series of measures and a set of strategies that include energy intensity and emission intensity reduction measures through continuous monitoring, information feedback systems, introduction of industrial energy quota management, incentives for energy efficient facilities, shutting down of inefficient facilities, and setting up of smart residential buildings. Reduction of distribution and transmission losses by investing in smart grids is also highly recommended. [ABSTRACT FROM AUTHOR]

Equality between economic progress and environmental sustainability is essential for a developing country like India. In the present time, the economy of India is growing rapidly in a vibrant mode and an efficient way, which in turn demands huge uninterrupted energy supplies. The country's energy needs are met mostly by the usage of fossil fuels and nearly 70% of electricity is generated from coal based power plants. In India, nearly 840 million people depend on traditional biomass to satisfy their energy necessities. Approximately 74 million rural people do not have access to modern lighting systems and around 81 million households do not have access to electricity, which is a major challenge to India's energy security. In order to achieve stable sustainable energy in the long-run, significant progress in renewable energy sectors is needed. Favorably, due to India's geographic location, the country is blessed with abundant renewable energy resources, which has not yet been exploited completely. So the central and state governments of the country have framed various policies and are providing subsidies to encourage the utilization of solar photovoltaic systems. In this paper, a comprehensive review of the potential, current developmental status and prospects of solar energy of India is briefed. The various applications of solar energy such as water heaters, desalination units, pasteurizers, food drying units, water purifier, space heating systems, air-conditioning units, cookers, water pumps, aerators, solar-wind hybrid systems and grid connected photovoltaic systems are explained. The study also mentions the current renewable energy policies, the barriers blocking the progress of the solar manufacturing units and some possible future recommendations that might speed up renewable energy developments in India. [ABSTRACT FROM AUTHOR]

Abstract: Following typical phases of any technology development, initially there have been research works focusing mainly on the solar hot water systems’ (SHWS) technology development then followed by economic aspects. This has resulted in techno-economically feasible standardized solar hot water systems. Owing to these favourable features, SHWS in general and Domestic SHWS (DSHWS) in particular attracted several promotional measures with a view to make them as the alternative for conventional water heating options in India. However, even after the implementation of these measures for more than two decades in India, the potentials-achievements difference remains to be extremely large, the reasons for which are attributed to the so-called “barriers for dissemination”. This paper presents a consolidated review of solar water heating related issues covering these technological developments, techno-economics, promotional measures, present dissemination status and barriers for dissemination, all with a special reference to the Indian context. Also presented in this paper is the identified need for “viability” studies of DSHWS and “essentials for viability evaluations of DSHWS” in multi-dimensional environment that aid in developing decision making tools to improve dissemination of DSHWS. [Copyright &y& Elsevier]

Abstract: The paper investigates the causality relationships among energy consumption, carbon dioxide (CO2) emissions and income in India using a dynamic modeling approach. The paper also utilises an innovation accounting method to investigate profiles of the macroeconomic variables persisting from an unanticipated shock in innovation. Our results provide evidence of the existence of bi-directional Granger causality between energy consumption and CO2 emissions in the long-run but neither CO2 emissions nor energy consumption causes movements in real income. There is no causality relationship between energy consumption and income in any direction in the long-run implying that India could follow energy conservation and efficiency improvement policies without impeding economic growth. This will allow India to reduce CO2 emissions without affecting its economic growth and contribute significantly towards combating global warming as well. [Copyright &y& Elsevier]

Abstract: Electricity generation from renewable energy sources in India has been promoted through a host of fiscal policies and preferential tariff for electricity produced from the same. The fiscal policies include tax incentives and purchase of electricity generated through renewable energy sources. The enactment of the Electricity Act 2003 (the Act) has lent further support to renewable energy by stipulating purchase of a certain percentage of the power procurement by distribution utilities from renewable energy sources. The renewable portfolio obligation as well as the feed-in tariff for power procurement has been specified by a number of State Electricity Regulatory Commissions (SERCs) for the respective state under their jurisdiction. A feed-in tariff determined through a cost-plus approach under a rate of return framework lacks incentive for cost minimisation and does not encourage optimal utilisation of renewable energy resources in the country. Such regulatory provisions differ across states. The prevalent practice of fixing a renewable portfolio obligation along with cost-based feed-in tariffs disregards economic efficiency. The paper proposes nationally tradable renewable energy credits scheme for achieving the targets set by the respective SERCs as renewable portfolio obligation. This would reduce the cost of compliance to a renewable portfolio obligation, and would encourage efficient resource utilisation and investment in appropriate technologies. The paper highlights its advantages and implementation issues. This paper discusses regulatory developments for promotion of renewable energy in various Indian states. The paper also identifies a number of issues related to regulations concerning renewable portfolio obligation. [Copyright &y& Elsevier]

Renewable energy can play a strategic role in India in meeting the country’s growing energy demands, as well as combating climate change. Policymakers have recognized this potential and over the last decade have intensified their efforts towards creating a conducive regulatory and policy framework. Policy instruments such as renewable obligations, feed-in-tariffs and generation based incentives have specially aided the transformation towards large scale generation, enabling higher efficiency and lower costs of generation. However, financing has emerged as a significant barrier for sustaining the momentum gained in recent years. Given this background this paper provides an overview on the evolution of large scale generation and the consequent changes in financing requirements. It further reviews the emerging trends and barriers in the financing landscape and analyses the impact of policy performance in this context. Finally, it considers the design of a national renewable finance framework complete with targeted finance push instruments that can complement existing demand pull policies in facilitating investment. [ABSTRACT FROM AUTHOR]

Solar Tower technology has gained considerable momentum over the past decade. Unlike the parabolic trough, Solar Tower has a lot of variants in terms of type of receivers, working fluids, power cycles, size of heliostats, etc. Most of the literature available on this technology does not address in great depths, details of various parameters associated with tower technology. A detailed examination of plant parameters is required in order to perform a potential assessment, design basis or feasibility analysis. This paper aims to assess the principal parameters of existing plants, namely, solar to electric conversion efficiency, mirror and land area per MW e of equivalent capacity, packing density, field layout configuration, receiver size, tower height and gross costs of plants, wherever data is available. Based on this global review of existing plants, it is observed that, the annual solar to electric conversion efficiencies has an average value of 16% and the packing density has an average value of about 20%. Since most of the existing plants have been constructed for demonstration purposes, the true potential of this technology has not yet been realised. Using this assessment as a basis, the technical, financial and policy drivers and barriers for adopting tower technology in India are discussed. It is seen that based on indigenisation prospects, tower technology with external cylindrical or cavity receivers with storage could be adopted. The role and significance of this technology is brought out in the context of the Jawaharlal Nehru National Solar Mission (JNNSM) in order to achieve grid-connected solar power. It is estimated that around 1800 MW of grid connected Solar Tower plants could come up under this mission by 2022. [ABSTRACT FROM AUTHOR]

This paper presents a comparison of the changes in the energetic metabolic pattern of China and India, the two most populated countries in the world, with two economies undergoing an important economic transition. The comparison of the changes in the energetic metabolic pattern has the scope to characterize and explain a bifurcation in their evolutionary path in the recent years, using the Multi-Scale Integrated Analysis of Societal and Ecosystem Metabolism (MuSIASEM) approach. The analysis shows an impressive transformation of China׳s energy metabolism determined by the joining of the WTO in 2001. Since then, China became the largest factory of the world with a generalized capitalization of all sectors, especially the industrial sector, boosting economic labor productivity as well as total energy consumption. India, on the contrary, lags behind when considering these factors. Looking at changes in the household sector (energy metabolism associated with final consumption) in the case of China, the energetic metabolic rate (EMR) soared in the last decade, also thanks to a reduced growth of population, whereas in India it remained stagnant for the last 40 years. This analysis indicates a big challenge for India for the next decade. In the light of the data analyzed both countries will continue to require strong injections of technical capital requiring a continuous increase in their total energy consumption. When considering the size of these economies it is easy to guess that this may induce a dramatic increase in the price of energy, an event that at the moment will penalize much more the chance of a quick economic development of India. [ABSTRACT FROM AUTHOR]

There are two ways by which solar energy can be harnessed viz. solar Photo-Voltaic (PV) and Concentrating Solar Power (CSP). This paper focuses on the parameters required for the commissioning of solar power plants in India using these technologies. The key parameters have been identified through the literature review and discussion with the experts. The parameters thus obtained, are classified under PV and CSP technologies and then categorized into technical and economical parameters. A survey is conducted to understand the perceptions of Indian key players in the area of solar energy and to rank forty one identified parameters. Analysis of survey shows that location of the site and direct investment cost are the highest preferred technical and economical parameters respectively. The results of this study will help decision makers and policy makers of solar technologies in India. [ABSTRACT FROM AUTHOR]

Abstract: India is fast emerging economy in Asia and world. India's manufacturing sector is growing faster and domestic demand is also increasing. India has a severe electricity shortage. It needs massive additions in capacity to meet the demand of its rapidly growing economy. To maintain the pace of economic growth with reduction in emission of greenhouse gases, India must reduce its dependency on fossil fuels for electrification. Hence the requirement of solar power installations in India has increased. In this context, this study aims to develop a structural model of the barriers to implement solar power installations in India. Thirteen relevant barriers to implement solar power installations have been identified from the literature and subsequent discussions with experts from academia and industry. Contextual relationships among these barriers have been identified and interpretive structural modeling (ISM) technique based, a structural model of barriers to implement solar power installations in India has been developed. MICMAC analysis has also been used to carry out the classification of barriers based on dependence and driving power. One barrier has been identified as top level barrier and six bottom level barriers. This paper also suggests the different ways of removal of these barriers. Better understanding of these barriers would help organizations and government bodies to prioritize and manage their resources in an effective and efficient way so that maximum number of solar power projects can be installed in India. [Copyright &y& Elsevier]

Abstract: India and Indonesia are privileged with abundant biomass resource potentials, 23 Giga-watt (GW) and 50GW equivalents respectively, yet both countries harvest small proportions, with fundamentally different deployed policies and articulated strategies. In this regard, this paper focuses on analyzing evolution and deployment of different policies and execution of strategies by two countries. It analyzes the effects of the biomass energy policies and executed strategies in India and Indonesia with a holistic approach. Such an approach takes the policy and strategy of the whole biomass energy sector rather than a segmented and separated sector as biofuel, biogas, biodiesel, etc. Furthermore, how they have resulted in different outcomes is also addressed. Our analysis shows that India's biomass energy policy has evolved from incremental to more radical changes, while Indonesia's policy remains incremental. India has also a relatively more unified biomass energy strategy than Indonesia. India has been more focused on technology development and deployment along with strong institutional creation, whereas Indonesia has not been able to create any biomass sector supporting strong institutions. Therefore, in terms of biomass energy utilizations, India has demonstrated better performance than Indonesia. [Copyright &y& Elsevier]

Abstract: The future economic growth for India is likely to result in rapid and accelerated surge in energy demand, with expected shortages in terms of supply. Many of its current policies and strategies are aimed at the improvement and possible maximization of energy production from the renewable sector. It is also clear that while energy conservation and energy efficiency can make an important contribution, renewable energies will be essential to the solution and are likely to play an increasingly important role for providing enhanced energy access, reducing consumption of fossil fuels, and helping India pursue its low-carbon progressive pathway. However, most of the states in India, like the northernmost state of Jammu and Kashmir, have experienced an energy crisis over a sustained period of time and the government both at center and state level has to embark upon with these pressing issues in a more sustainable manner and accordingly initiate various renewable energy projects within these states. This paper will provide a broad-spectrum view about the energy situation within Jammu and Kashmir and will highlight the current policies along with future strategies for the optimal utilization of renewable energy resources. [Copyright &y& Elsevier]

Abstract: Kyoto protocol was the first agreement regarding control of climate change problems. Clean development mechanism (CDM) was included in the Kyoto protocol to promote sustainable development in developing countries (non-Annex I countries) and assist developed countries (Annex I countries) to achieve their emission reduction targets. CDM allows trading of emissions reductions and helps to increase sustainable development in a developing country and reduce global emissions in developed country. Renewable energy sources are the appropriate alternatives for sustainable development through CDM. India is one of the emerging nations in renewable energy sector. Government of India is trying to enhance energy generation through renewable and carbon trading. This paper shows the current status and progress of renewable energy through CDM in India. [Copyright &y& Elsevier]

Abstract: This paper analyses the present situation of renewables international cooperation in China and India and the reasons, basis and conditions of China-India cooperation for renewable energy and explores China-India cooperation strategies for renewable energy. This study indicates that (1) the two countries have made a lot of progress in the international cooperation of renewable energy, but China-India cooperation for renewable energy is still in its primary stage; (2) there are not only the common benefits but also the solid basis and good conditions for China-India cooperation in the field of renewable energy; (3) there is need to explore and design the cooperation strategies for renewable energy of China and India in order to strengthen renewables cooperation between two countries. [Copyright &y& Elsevier]

Solar lamps are a quick, affordable, and effective way to provide basic lighting for households in rural areas of developing countries. However, implementers and researchers argue that the market for solar products is hampered by a lack of awareness and willingness to pay (WTP) for solar technology. In this paper, we investigate awareness of solar products, household motivation to adopt solar technology, household perception of solar lamps when compared to kerosene-based lighting devices, and lastly, the availability of electricity after dark. We analyzed a repeated-measures (longitudinal) data of 1159 rural households in energy-poor villages in the states of Bihar, Jharkhand, and Uttar Pradesh, India. Longitudinal logistic regression analyses were performed to study how various factors influence users WTP for solar lamps at Indian market price (~8.61 US$) over time. We find that households awareness of various solar products and their motivation to adopt solar technology has increased over time but there is much room to grow awareness in Bihar, Jharkhand and Uttar Pradesh, especially for solar home systems and solar water pumps. Our model predicted that the households WTP for solar lamps at the market price increased with high income but it is significantly moderated by their level of awareness of solar products and their motivation to adopt solar technology. These findings suggest that increasing awareness of solar products through various dissemination programs leading to significant interest in solar products among people which in turn may enhance their WTP for solar products. • Repeated-measures (longitudinal) data of 1159 rural households in energy-poor villages in India were analyzed. • This study determines factors that influence the households willingness to pay (WTP) for solar lamps in rural India. • Awareness of solar products coupled with motivation to adopt solar technology significantly raise the probability of WTP. • WTP for solar lamps at the market price increases with income. • Awareness of solar products through various programs lead to significant interest in solar energy products among people. [ABSTRACT FROM AUTHOR]

Compressed air energy storage (CAES) is an established and evolving technology for providing large-scale, long-term electricity storage that can aid electrical power systems achieve the goal of decarbonisation. CAES facilities often utilise large underground storage caverns to ensure high capacity systems. This results in the need of locations with suitable geological features to develop a CAES plant. This paper examines recent and ongoing large-scale CAES projects and presents candidate methods of storing high pressure air using underground features. An assessment of the overall potential for CAES in India is presented by examining its geological features and locations with the greatest potential for CAES plants are determined. This is combined with an analysis of the renewable electricity generation potential in India to identify candidate areas for renewable generation and CAES integrated systems. Up to 1.05% of Indian land area is deemed suitable for CAES plant development and if fully utilised would be sufficient to meet the energy storage needs of India, however, practically a very small fraction of the total suitable land that could be developed so other competing energy storage technologies should be considered. Conversely, the UK possesses a very good potential for CAES, enough to greatly exceed necessary energy storage, owing to the abundance of salt beds not present in India. For CAES to garner serious consideration in India, aquifer storage based CAES needs to be demonstrated. • A comparative assessment of the Indian and UK potential for CAES. • Methodology for linking CAES suitable regions and renewable electricity generation. • Comprehensive review of all major large-scale CAES projects. • Economic and geographic problems have led to the failure of many CAES projects. [ABSTRACT FROM AUTHOR]