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Identifying the research topics of China's energy transition policy and predicting future research trends are crucial for policymakers to make informed decisions and advance the energy transition. This study applied the Latent Dirichlet Allocation (LDA) to extract 26 major research topics from the 13,976 abstracts of Chinese policy research papers in web of science (WOS), conceptualized the five most popular topics and used the ARIMA model to predict trends over the next 36 months. The results show that except for Economic and Environmental Impact of Renewable Energy Consumption (Topic13), which will first experience unanticipated fluctuations and then show strong growth capacity, all other topics will continue to remain positive growth trend. Research and Development (Topic3) is driven by the urgency of China's energy transformation. Economic and Environmental Impact of Renewable Energy Consumption (Topic13) is driven by the potential for the development of renewable energy. Economic Impact of Climate Change (Topic26) is driven by the climate change debate. Economic Growth, Urbanization, and Energy Consumption (Topic7) is driven by a discussion of their relationship and the mechanisms influencing them. Regional Efficiency and Productivity Analysis (Topic19) is driven by regional differences in China's energy policies. [ABSTRACT FROM AUTHOR]

Abstract: The paper examines the key features of the renewable energy development environment in Sri Lanka which led to sector's rapid expansion. The recent development framework of the renewable energy sector was based on the importance of using indigenous resources, recognizing the positive environmental impacts and the avoidance of high cost alternative thermal generation. This framework also recognized the pioneering effort of the developers in site identification by giving rights to develop on a first-come first-served basis. The policy framework was later extended with a renewable energy portfolio standard to achieve 10% of power generation through renewable energy. The standard power purchase arrangements reduced the transaction costs. The feeding tariffs originally based on avoided costs later shifted to cost based, technology specific tariffs encouraging diversification of the renewable energy portfolio. The introduction of net-metering for renewable energy based distributed generation and the limited interventions in the form of green-tariffs also assisted the renewable energy development. The paper concludes that the policy and regulatory frameworks and different approaches to implementing them have been mostly successful experiences in Sri Lanka and they would provide useful lessons for similar countries when formulating and implementing related polices, regulations and legal frameworks. [Copyright &y& Elsevier]

This paper measures the policy effectiveness of power purchasing agreements, capital grants, tax incentives, preferential loans, and research, development, and demonstrations for photovoltaic (PV) and wind power development in the member countries of the European Union (EU). The empirical findings confirm that the feed-in tariff is more efficient than renewable portfolio standards (RPS) for PV and wind power development, although RPS does have an effect on wind power development. However, the other economic instruments are all inefficient for PV development but are efficient for wind power development, except for tax incentives. Moreover, the economic growth required, serious financial deficits, and dependence on imported energy that discourage PV development are unrelated to wind power development. The energy intensity of the economy will have a negative impact on both PV and wind power development. [ABSTRACT FROM AUTHOR]

Abstract: The renewable energy policies in the European Union have already led to a significant progress; the energy mix should further change until 2020. Italy is planning to meet the 2020 targets on renewable energies also thanks to a relevant paradigm shift in renewable energy exploitation. Indeed, in 2005 the sector where RES were more present in Italy was electricity production with 203 PJ of renewable origin, while in the heating and cooling sector renewable energy penetration was limited to 80 PJ. On the contrary, in 2020 heating and cooling is expected to absorb the highest amount of renewable energy (438 PJ) with renewable electricity expected to count for 356 PJ. Bioenergy, a renewable energy resource particularly suitable for electricity, heating & cooling and in transport, will be at the core of this sectorial shift in renewable energy production and use and is expected to become the dominant form of RES before 2020. The paper makes a detailed analysis of the recent developments and expected evolution of the Italian energy mix in next decade. It provides an overview of the Italian bioenergy sector in comparison with other Renewable Energy Sources (RES) and with leading countries in the European Union with a special focus on the production, exploitation and potentials on the basis of the analysis of the Italian National Renewable Action Plan. [Copyright &y& Elsevier]

Abstract: Facing the growing energy demand and the requirement of low-carbon development, China is making great efforts to fulfill the international cooperation on renewable energy aimed at protecting the security of energy and economy. Whereas, energy problems in various countries have become increasingly prominent, and the lack of a multilateral cooperation mechanism has become the key obstacle to the cooperation. This paper analyzes current situation and existing problems of international cooperation on renewable energy in China, and then puts forward the establishment of three cooperation mechanisms: the regional mechanism, the developing countries mechanism and the developing-developed countries mechanism, followed by a summary and analysis of the participants. The principles and steps of mechanisms making and the cooperation institution for mechanism operation will be discussed as well as making some policy recommendations on the cooperation methods. [Copyright &y& Elsevier]