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This paper presents the editorial for the Renewable and Sustainable Energy Reviews joint special issue devoted to the research work discussed and presented at the 11th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES), held from the 4th September to the 9th September 2016 in Lisbon, Portugal and the 2nd South East European (SEE) SDEWES Conference held from June 15th to June 18th, 2016 in Piran, Slovenia. This special issue is in line with the journal's aim of publishing research from across the ever-broadening field of renewable and sustainable energy with a strong review element. Previous SDEWES conference special issues have gathered a significant knowledge base in the field of sustainable development that reflects the continuous research efforts of the SDEWES research community. Therefore, this editorial provides not only an overview of the papers published in this particular special issue, but also a wider overview of the current trends in the domain of sustainable and renewable energy. This year's special issue focuses particularly on the benefits of the bio-based economy, energy security issues, fossil fuel thermal plant alternatives and environmental constraints, district heating and cooling together with cross sector energy efficiency and energy conservation issues. Sustainable transport systems, the issue of fuel poverty in urban neighbourhoods and renewable energy to support development of peripheral rural areas, optimising passive building design for hot climates and solar-powered heating and cooling are further topics featured in this special issue. In the process of selecting papers for this special issue, the guest editors invited in total 23 extended manuscripts for consideration for publication. After a rigorous review process by expert reviewers overseen by the guest editors a total of 16 articles were accepted for publication. [ABSTRACT FROM AUTHOR]

The availability and reliability of renewable energy sources are highly dependent on climate conditions, which may vary due to possible global climatic changes. Long-term energy planning, however, does not normally take into account future threats of climate change on energy security. This paper shows the impacts of drought, as one of the main features of climate change, on the technology of electricity generation and on CO 2 emissions in the Association of Southeast Asian Nations-6 (ASEAN-6). We provide insights into the extent of the vulnerability of electricity generation options to drought. The findings increase awareness for future planning of the energy generation mix and emphasizes on an integrated and collaborative management plan based on drought planning initiatives and measures. [ABSTRACT FROM AUTHOR]

Triggered by debates on climate change and energy security, renewable energy sources are presently high on the political agenda in many countries. In this regard Russia seems to stand aside worldwide developments. Until recently Russia׳s enormous potential in renewable energy sources remained poorly utilised. However, Russia׳s formal commitment to the global climate change regime, its new Energy Strategy 2030, and an increase in wood pellet production suggest a discontinuity. This paper investigates and explains the (limited) progress in the solid bioenergy sector in Northwest Russia. With little Russian experience in this sector, poor technological knowledge on renewables, and inadequate domestic market structures, the development of a domestic solid bioenergy sector is far from easy. Hence, Northwest Russian wood pellet developments cannot be traced back to new federal policies, only partly to local demand and stimulation, and significantly to foreign drivers. Major EU demand for wood pellets and intensified collaboration with foreign companies and organisations leading in the field of solid bioenergy research, technology and trade have triggered these developments. But it is a long way before Russia will be released from its fossil fuel addiction, as repeatedly promised by governmental officials. [ABSTRACT FROM AUTHOR]

Climate change and global warming have become severe environmental issues of global concern, and many countries have promulgated renewable energy development planning to achieve the targets of carbon emission reduction and sustainable development. Accelerating the development of renewable energy technology innovation is one of the major measures to stimulate the utilization of renewable resources. This paper analyzes the impact of renewable energy technology innovation on carbon intensity in 30 Chinese provinces from 2000 to 2015. Using the recent panel estimation methods that take cross-section dependence and slope heterogeneity into account, the results show that for every 1% increase in the innovation level of renewable energy technology, carbon intensity was significantly reduced by 0.051%. Specifically, renewable energy technology innovation does not affect carbon intensity in the short term. But in the long term, the influences are negative and significant. Moreover, the environmental benefits are most evident in eastern China, while there is no significant influence on the western regions. Finally, this paper provides some policy implications to further discuss the impetus of renewable energy technology innovation. • Renewable energy technology innovation can significantly reduce carbon intensity. • The influences of renewable energy technology innovation will change over time. • There exist differences in the innovation effects in different Chinese regions. [ABSTRACT FROM AUTHOR]

This editorial in Renewable and Sustainable Energy Reviews (RSER) is a virtual special issue (VSI) dedicated to the three conferences on Sustainable Development of Energy, Water and Environment Systems (SDEWES) held in 2018. These included the 13th SDEWES Conference (30 September to the 4 October in Palermo, Italy), the 3rd South East European SDEWES Conference (30 June to 4 July in Novi Sad, Serbia and the 1st Latin American SDEWES Conference (28–31 January in Rio de Janeiro, Brazil). In line with the RSER's policy, this VSI published two types of articles, either high quality review papers or original research papers with a strong review component. The guest editors invited 55 extended articles presented at the 2018 SDEWES conferences. These articles went through rigorous peer review process, and a total of 17 articles were finally accepted and published in this VSI. This editorial overviews these articles and examines their contribution to the field. In addition this editorial also provides an overview of the SDEWES 2018 conference series in order to reflect the continuous research efforts of the SDEWES research community and knowledge body on topics such as sustainable mobility, energy storage systems, various sustainability assessments, renewable energy source (RES) potential and biorefineries. [ABSTRACT FROM AUTHOR]