scholarly journals Renewable Energy Generation in the Energy Balance: the Forecast until 2035

2021 ◽  
Vol 2021 (2) ◽  
pp. 23-32
Author(s):  
Tetyana V. Pimonenko ◽  
Oleksii V. Lyulyov ◽  
Yana O. Us ◽  
Aleksy S. Kwilinski ◽  
Anastasiya P. Nazarenko ◽  
...  

This paper summarizes the arguments and counterarguments within the scientific discussion on developing national economic energy efficiency under optimizing renewable energy generations. This study aims to forecast renewable energy generation until 2035 under the current Ukrainian conditions. The relevance of this scientific issue is the urgency to combat the climate change consequences under economic development. A bibliometric analysis was conducted in the study frameworks to systemize the scientific treatises and indicate main research directions in energy investigation. The source of publications was the Scopus database. The VOSviewer software tools were applied to visualize the obtained results. In turn, to gain the research goal, the authors forecasted the primary energy generations from renewable sources using Autoregressive Integrated Moving Average (ARIMA) model. The study sample was the shares of primary energy from renewable sources in Ukraine. The data covers 1985-2019. The results of bibliometric analysis allowed identifying main directions in investigating the energy policy such as renewable energy development under climate change; bioenergy; reducing carbon emissions towards economic growth; energy security and policy; management in the energy sector; satisfaction of the energy demand and improving the energy conditions for consumers. In the empirical part of this study, the forecast findings showed the growing tendency in primary energy generation from renewable sources. However, the share of primary energy from renewable sources would increase by 1.16 times (3,62 %). Therefore, the authors concluded that the target of the Energy Strategy of Ukraine of 25 % the share of primary energy from renewable sources would not be gained until 2035. This study highlights the necessity to develop renewable energy in Ukraine. The obtained results could be the base for further investigations devoted to elaborating the energy policy towards developing energy efficiency and green development.

Energies ◽  
2022 ◽  
Vol 15 (1) ◽  
pp. 302
Author(s):  
Yuchen Yang ◽  
Kavan Javanroodi ◽  
Vahid M. Nik

Climate change can strongly affect renewable energy production. The state of the art in projecting future renewable energy generation has focused on using regional climate prediction. However, regional climate prediction is characterized by inherent uncertainty due to the complexity of climate models. This work provides a comprehensive study to quantify the impact of climate uncertainties in projecting future renewable energy potential over five climate zones of Europe. Thirteen future climate scenarios, including five global climate models (GCMs) and three representative concentration pathways (RCPs), are downscaled by the RCA4 regional climate model (RCM) over 90 years (2010–2099), divided into three 30-year periods. Solar and wind energy production is projected considering short-/long-term climate variations and uncertainties in seven representative cities (Narvik, Gothenburg, Munich, Antwerp, Salzburg, Valencia, and Athens). The results showed that the uncertainty caused by GCMs has the most substantial impact on projecting renewable energy generation. The variations due to GCM selection can become even larger than long-term climate change variations over time. Climate change uncertainties lead to over 23% and 45% projection differences for solar PV and wind energy potential, respectively. While the signal of climate change in solar radiation is weak between scenarios and over time, wind energy generation is affected by 25%.


2020 ◽  
Vol 3 (4) ◽  
pp. 147-168
Author(s):  
Yevheniia Ziabina ◽  
Tetyana Pimonenko

The industry attention to the environment has been reducing lately, leading to irreversible climate change, reaching the limit of mining, and critical indicators of СО2 emissions. That is why the EU has launched a new Green Policy which includes strategic directions for energy efficiency and which is expected to restore biodiversity and slow down the pace of climate change. Thus, on December 11, 2019, there was held the presentation of the “European Green Course”, the main targets of which are to increase the level of energy saving by creating closed cycles in the economy; to minimize greenhouse gas emissions by 2050; to form biodiversity and climate neutrality. Accordingly, countries that accept the terms of the green deal policy need to review all aspects of their economy, from energy production to food consumption, from industry to transport and construction. The purpose of the article is to analyse publications in order to identify public’s awareness of radical changes in economic and ecological spheres. The article provides a bibliometric analysis of research in the field of green deal policy, energy conservation and energy efficiency through the introduction of renewable energy sources. The authors selected 337 papers which were published in 1999-2019. Scopus provided the database for analysis. By means of VOSviewer the results of bibliometric analyses were visualized in a definitions map. It allowed identifying six clusters that combine 131 terms. As a result of the research, the connection between the terms – renewable energy sources and energy saving – was revealed with the help of the constructed bibliographic map.


Author(s):  
Shweta Goyal ◽  
Sachin Mishra ◽  
Anamika Bhatia

Now a day’s Energy plays a vital role in every sector like agriculture, industry, transport, commercial and domestic. Energy is the primary key for development of the country. Only two types are sources for energy generations are presents that are Non Renewable and Renewable Sources. But due to climate change and fossil fuel depletion renewable sources are becoming major reason for focusing for energy generation. Renewable Energy (RE) generation is useful to decrease pollution, global warming etc. Although the high cost of the renewable energy generation is the main barrier in this field but there are many schemes which plays a very important role in this field. These policies encourage the consumer to used renewable sources for energy. This paper introduces the main energy challenges in India and different types of energy policies existing to overcome that challenges. What the institutional programs presenting in India for energy policies are.


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